diff --git a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/displayNoBoolean.xml.log b/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/displayNoBoolean.xml.log
deleted file mode 100644
index fe2d548cd015508ada2641406c6d8916c8ea762e..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/displayNoBoolean.xml.log
+++ /dev/null
@@ -1,2 +0,0 @@
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/displayNoBoolean.xml:48:27: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/displayNoBoolean.xml; lineNumber: 48; columnNumber: 27; cvc-pattern-valid: Value 'no' is not facet-valid with respect to pattern 'false|true' for type '#AnonType_displayaddressletter'.
-parsing error
diff --git a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/missingAbout.xml.log b/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/missingAbout.xml.log
deleted file mode 100644
index 2b17d44a77a7f7d29e956d20dc9b5c8f49b3c7cf..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/missingAbout.xml.log
+++ /dev/null
@@ -1,2 +0,0 @@
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingAbout.xml:8:11: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingAbout.xml; lineNumber: 8; columnNumber: 11; cvc-complex-type.2.4.a: Invalid content was found starting with element 'date'. One of '{about}' is expected.
-parsing error
diff --git a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/missingSignature.xml.log b/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/missingSignature.xml.log
deleted file mode 100644
index ab61dc49d2d8f81649545292f3f0283420964d95..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/missingSignature.xml.log
+++ /dev/null
@@ -1,2 +0,0 @@
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingSignature.xml:43:30: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingSignature.xml; lineNumber: 43; columnNumber: 30; cvc-complex-type.2.4.a: Invalid content was found starting with element 'address'. One of '{signature}' is expected.
-parsing error
diff --git a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/missingZip.xml.log b/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/missingZip.xml.log
deleted file mode 100644
index f7aafdc2520b9e16509f4b1f2a2bd982c92f400e..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/missingZip.xml.log
+++ /dev/null
@@ -1,2 +0,0 @@
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingZip.xml:56:15: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingZip.xml; lineNumber: 56; columnNumber: 15; cvc-complex-type.2.4.a: Invalid content was found starting with element 'town'. One of '{zip}' is expected.
-parsing error
diff --git a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/noParagraph.xml.log b/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/noParagraph.xml.log
deleted file mode 100644
index 8613cc22c964e6f44fba0e7cbb258027bcc63dc5..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/noParagraph.xml.log
+++ /dev/null
@@ -1,2 +0,0 @@
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/noParagraph.xml:24:25: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/noParagraph.xml; lineNumber: 24; columnNumber: 25; cvc-complex-type.2.4.a: Invalid content was found starting with element 'complimentaryClose'. One of '{paragraph}' is expected.
-parsing error
diff --git a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/salutation31.xml.log b/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/salutation31.xml.log
deleted file mode 100644
index bf66f9848603593985cba78689c21f23b09f6410..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/salutation31.xml.log
+++ /dev/null
@@ -1,2 +0,0 @@
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/salutation31.xml:19:61: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/salutation31.xml; lineNumber: 19; columnNumber: 61; cvc-maxLength-valid: Value '012345678901234567890123456789X' with length = '31' is not facet-valid with respect to maxLength '30' for type '#AnonType_salutationletter'.
-parsing error
diff --git a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/wrongDate.xml.log b/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/wrongDate.xml.log
deleted file mode 100644
index d9d7ef50a0db47189ec2ad8a1fb2d38fe015f9eb..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/WS2014/Letter_solution/Test/Negative/wrongDate.xml.log
+++ /dev/null
@@ -1,2 +0,0 @@
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/wrongDate.xml:14:28: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/wrongDate.xml; lineNumber: 14; columnNumber: 28; cvc-datatype-valid.1.2.1: '20.04.2015' is not a valid value for 'date'.
-parsing error
diff --git a/Klausuren/Sda1/WS2014/Letter_solution/Test/report.log b/Klausuren/Sda1/WS2014/Letter_solution/Test/report.log
deleted file mode 100644
index 5cf8fb98804a834854926213ac7c4abecd182294..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/WS2014/Letter_solution/Test/report.log
+++ /dev/null
@@ -1,36 +0,0 @@
-Testing invalid file Negative/displayNoBoolean.xml
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/displayNoBoolean.xml:48:27: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/displayNoBoolean.xml; lineNumber: 48; columnNumber: 27; cvc-datatype-valid.1.2.1: 'no' is not a valid value for 'boolean'.
-parsing error
-File expectedly flagged as invalid, adding 1 point
-____________________________________________________
-Testing invalid file Negative/missingSignature.xml
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingSignature.xml:43:30: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingSignature.xml; lineNumber: 43; columnNumber: 30; cvc-complex-type.2.4.a: Invalid content was found starting with element 'address'. One of '{signature}' is expected.
-parsing error
-File expectedly flagged as invalid, adding 1 point
-____________________________________________________
-Testing invalid file Negative/noParagraph.xml
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/noParagraph.xml:24:25: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/noParagraph.xml; lineNumber: 24; columnNumber: 25; cvc-complex-type.2.4.a: Invalid content was found starting with element 'complimentaryClose'. One of '{paragraph}' is expected.
-parsing error
-File expectedly flagged as invalid, adding 1 point
-____________________________________________________
-Testing invalid file Negative/wrongDate.xml
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/wrongDate.xml:14:28: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/wrongDate.xml; lineNumber: 14; columnNumber: 28; cvc-datatype-valid.1.2.1: '20.04.2015' is not a valid value for 'date'.
-parsing error
-File expectedly flagged as invalid, adding 1 point
-____________________________________________________
-Testing invalid file Negative/missingAbout.xml
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingAbout.xml:8:11: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingAbout.xml; lineNumber: 8; columnNumber: 11; cvc-complex-type.2.4.a: Invalid content was found starting with element 'date'. One of '{about}' is expected.
-parsing error
-File expectedly flagged as invalid, adding 1 point
-____________________________________________________
-Testing invalid file Negative/missingZip.xml
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingZip.xml:56:15: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/missingZip.xml; lineNumber: 56; columnNumber: 15; cvc-complex-type.2.4.a: Invalid content was found starting with element 'town'. One of '{zip}' is expected.
-parsing error
-File expectedly flagged as invalid, adding 1 point
-____________________________________________________
-Testing invalid file Negative/salutation31.xml
-file:///ma/goik/Klausur/Letter_solution/Test/Negative/salutation31.xml:19:61: parse error org.xml.sax.SAXParseException; systemId: file:///ma/goik/Klausur/Letter_solution/Test/Negative/salutation31.xml; lineNumber: 19; columnNumber: 61; cvc-maxLength-valid: Value '012345678901234567890123456789X' with length = '31' is not facet-valid with respect to maxLength '30' for type 'shortString'.
-parsing error
-File expectedly flagged as invalid, adding 1 point
-____________________________________________________
-Summary: 7 out of 10 points have been reached
diff --git a/Klausuren/Sda1/WS2014/Letter_solution/letter.xsd.log b/Klausuren/Sda1/WS2014/Letter_solution/letter.xsd.log
deleted file mode 100644
index c0b8e7e90da91f90ec3cbee381d40164d1cac5b8..0000000000000000000000000000000000000000
--- a/Klausuren/Sda1/WS2014/Letter_solution/letter.xsd.log
+++ /dev/null
@@ -1,34 +0,0 @@
-Testing invalid file Negative/missingZip.xml
-Expected error message: Invalid content was found starting with element town. One of {zip} is expected., adding 1 point
-____________________________________________________
-Testing invalid file Negative/salutation31.xml
-Expected error message: Value 012345678901234567890123456789X with length = 31 is not facet-valid with respect to maxLength 30 for type shortString., adding 1 point
-____________________________________________________
-Testing invalid file Negative/missingSignature.xml
-Expected error message: Invalid content was found starting with element address. One of {signature} is expected., adding 1 point
-____________________________________________________
-Testing invalid file Negative/displayNoBoolean.xml
-Expected error message: no is not a valid value for boolean., adding 1 point
-____________________________________________________
-Testing invalid file Negative/wrongDate.xml
-Expected error message: 20.04.2015 is not a valid value for date., adding 1 point
-____________________________________________________
-Testing invalid file Negative/noParagraph.xml
-Expected error message: Invalid content was found starting with element complimentaryClose. One of {paragraph} is expected., adding 1 point
-____________________________________________________
-Testing invalid file Negative/missingAbout.xml
-Expected error message: Invalid content was found starting with element date. One of {about} is expected., adding 1 point
-____________________________________________________
-Testing valid file Positive/missingCompany.xml
-Parsing was successfull
-Valid File flagged expectedly, adding 1 point
-____________________________________________________
-Testing valid file Positive/displayTrue.xml
-Parsing was successfull
-Valid File flagged expectedly, adding 1 point
-____________________________________________________
-Testing valid file Positive/lettersample.xml
-Parsing was successfull
-Valid File flagged expectedly, adding 1 point
-____________________________________________________
-Summary: 10 out of 10 points have been reached
diff --git a/Klausuren/Sda1/WS2014/Rewriteprepared/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/Driver.java b/Klausuren/Sda1/WS2014/Rewriteprepared/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/Driver.java
new file mode 100644
index 0000000000000000000000000000000000000000..5f1cc9eae654d4a721e71226959a164485c93b37
--- /dev/null
+++ b/Klausuren/Sda1/WS2014/Rewriteprepared/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/Driver.java
@@ -0,0 +1,33 @@
+package de.hdm_stuttgart.mi.sda1.reewriteprepared;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+import de.hdm_stuttgart.mi.sda1.reewriteprepared.rdbms.CustomerInsert;
+
+
+/**
+ * Inserting customer into database demoSELECT count(*) FROM Customers WHERE uid = 'SELECT count(*) FROM Customers WHERE uid = '
+ *
+ */
+public class Driver {
+
+ /**
+ * @param args Unused
+ * @throws SQLException Possible database handling quirks
+ */
+ public static void main( String[] args ) throws SQLException {
+
+ final Connection connection = DriverManager.getConnection (
+ "jdbc:mysql://localhost:3306/hdm", "hdmuser", "XYZ");
+
+ final CustomerInsert userInsert = new CustomerInsert(connection);
+
+ userInsert.conditionallyInserCustomer("fred", "Fred Astaire");
+
+ }
+}
+
+
+
diff --git a/Klausuren/Sda1/WS2014/Rewriteprepared/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/rdbms/CustomerInsert.java b/Klausuren/Sda1/WS2014/Rewriteprepared/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/rdbms/CustomerInsert.java
new file mode 100644
index 0000000000000000000000000000000000000000..fbdbc573dcd7a2b6ca01b5957fcf5fabd26d3bc0
--- /dev/null
+++ b/Klausuren/Sda1/WS2014/Rewriteprepared/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/rdbms/CustomerInsert.java
@@ -0,0 +1,80 @@
+package de.hdm_stuttgart.mi.sda1.reewriteprepared.rdbms;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+/**
+ * Helper class implementing database access.
+ *
+ */
+public class CustomerInsert {
+
+ private static Logger log = LogManager.getLogger(CustomerInsert.class);
+
+ final Connection connection;
+ final PreparedStatement searchExistingCustomer, insertCustomer;
+
+ @SuppressWarnings("javadoc")
+ public CustomerInsert(final Connection connection) throws SQLException {
+ this.connection = connection;
+ connection.setAutoCommit(true);
+ searchExistingCustomer = connection.prepareStatement("SELECT uidNumber FROM Customers WHERE uid = ?");
+ insertCustomer = connection.prepareStatement("INSERT INTO Customers (uid, cname) VALUES (?, ?)");
+ }
+
+ /**
+ * Trying to add a new user represented by the user's uid (e.g. "fred") and common name (e.g. "Fred Astaire")
+ * to the current database. An insertion attempt will only happen if no database entry of the corresponding
+ * uid value yet exists.
+ *
+ * @param uid The new user's uid value like "fred"
+ * @param cname The new user's common name like "Fred Astaire"
+ * @return true if new user has been inserted, false if uid is already present or arguments are either null or inappropriate.
+ * @throws SQLException
+ *
+ * Precondition: The values of uid and cname must not be null and within the given database schema boundaries
+ * i.e. concerning string length.
+ *
+ */
+ public boolean conditionallyInserCustomer (final String uid, final String cname) throws SQLException {
+
+ final Statement statement = connection.createStatement();
+
+ final String searchexistingUserQuery =
+ "SELECT uidNumber FROM Customers WHERE uid = '" + uid + "'";
+
+ try {
+ final ResultSet existingUser = statement.executeQuery(searchexistingUserQuery);
+ if (existingUser.next()) {
+ log.warn("uid = '" + uid + "' is already in database");
+ return false; // Insertion error: An entry with this uid already exists
+ }
+ } catch (SQLException e) {
+ log.error("Unable search for user '" + uid + "': "+ e.getLocalizedMessage());
+ throw e;
+ }
+
+ final String insertCustomerStatement =
+ "INSERT INTO Customers (uid, cname) VALUES ('" + uid + "', '" + cname + "')";
+
+ try {
+ final int numInsertedDatasets = statement.executeUpdate(insertCustomerStatement);
+ if (1 == numInsertedDatasets) {
+ log.info("Successfully inserted uid = " + uid);
+ return true;
+ } else {
+ log.error("We should not be here: No exeption for failed customer insert uid = " + uid);
+ return false;
+ }
+ } catch (SQLException e) {
+ log.error("Unable to insert new customer: '" + e.getLocalizedMessage());
+ throw e;
+ }
+ }
+}
diff --git a/Klausuren/Sda1/WS2014/Rewriteprepared/src/test/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/CustomerInsertTest.java b/Klausuren/Sda1/WS2014/Rewriteprepared/src/test/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/CustomerInsertTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..9ffab428b240e372297bb651d8322bb1e5e657a3
--- /dev/null
+++ b/Klausuren/Sda1/WS2014/Rewriteprepared/src/test/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/CustomerInsertTest.java
@@ -0,0 +1,85 @@
+package de.hdm_stuttgart.mi.sda1.reewriteprepared;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import de.hdm_stuttgart.mi.sda1.reewriteprepared.rdbms.CustomerInsert;
+
+/**
+ * Creating a database connection, an initial schema and one record in {{@link #initDatabase()}. Subsequent tests
+ * try to add more records and perform related checks.
+ */
+
+@SuppressWarnings({ "javadoc", "resource" })
+public class CustomerInsertTest {
+
+ Connection connection = null;
+ CustomerInsert customerInsert = null;
+
+ // Create schema from scratch and insert a customer record "jim" prior to execution of test methods
+ @Before
+ public void initDatabase() throws SQLException {
+
+ connection = DriverManager.getConnection (
+ "jdbc:mysql://localhost:3306/hdm", "hdmuser", "XYZ");
+
+ final Statement statement = connection.createStatement();
+
+ statement.executeUpdate("DROP TABLE IF EXISTS Customers");
+
+ statement.executeUpdate(
+ "CREATE TABLE Customers (\n"
+ + "uidNumber INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,\n"
+ + "uid CHAR(20) NOT NULL UNIQUE,\n"
+ + "cname VARCHAR(255) NOT NULL\n" +
+ ");");
+
+ statement.executeUpdate("INSERT INTO Customers (uid, cname) VALUES ('jim', 'Jim Bone');");
+
+ statement.close();
+ customerInsert = new CustomerInsert(connection);
+ }
+
+ /**
+ * @throws SQLException Failure should not occur during test phase
+ */
+ @Test
+ public void testInsertDuplicate() throws SQLException {
+ // "jim" was inserted by initDatabase already, so the subsequent call is bound to fail
+ Assert.assertFalse(customerInsert.conditionallyInserCustomer("jim", "Jim Alternate"));
+ }
+
+ /**
+ * @throws SQLException Failure should not occur during test phase
+ */
+ @Test
+ public void testInsertNew() throws SQLException {
+
+ // Insert second customer on top "jim" from initialization phase
+ //
+ Assert.assertTrue(customerInsert.conditionallyInserCustomer("eve", "Eve Gardener"));
+
+ // Search for all customers We expect two customers "eve" followed by "jim"
+ // to be present in our database.
+ final ResultSet customers = connection.createStatement().executeQuery(
+ "SELECT uid FROM Customers ORDER BY uid");
+
+ // Check for "eve"
+ Assert.assertTrue("No customer record found: Should be two", customers.next());
+ Assert.assertEquals("eve", customers.getString("uid"));
+
+ // Check for "jim"
+ Assert.assertTrue("Just one customer record found: Should be two", customers.next());
+ Assert.assertEquals("jim", customers.getString("uid"));
+
+ // No further record should be present
+ Assert.assertFalse("More than two customer records found", customers.next());
+ }
+}
diff --git a/Klausuren/Sda1/WS2014/reewriteprepared_solution/.gitignore b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/.gitignore
similarity index 100%
rename from Klausuren/Sda1/WS2014/reewriteprepared_solution/.gitignore
rename to Klausuren/Sda1/WS2014/Rewriteprepared_solution/.gitignore
diff --git a/Klausuren/Sda1/WS2014/reewriteprepared_solution/Sql/schema.sql b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/Sql/schema.sql
similarity index 100%
rename from Klausuren/Sda1/WS2014/reewriteprepared_solution/Sql/schema.sql
rename to Klausuren/Sda1/WS2014/Rewriteprepared_solution/Sql/schema.sql
diff --git a/Klausuren/Sda1/WS2014/reewriteprepared_solution/description.xhtml b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/description.xhtml
similarity index 100%
rename from Klausuren/Sda1/WS2014/reewriteprepared_solution/description.xhtml
rename to Klausuren/Sda1/WS2014/Rewriteprepared_solution/description.xhtml
diff --git a/Klausuren/Sda1/WS2014/reewriteprepared_solution/pom.xml b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/pom.xml
similarity index 100%
rename from Klausuren/Sda1/WS2014/reewriteprepared_solution/pom.xml
rename to Klausuren/Sda1/WS2014/Rewriteprepared_solution/pom.xml
diff --git a/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/Driver.java b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/Driver.java
new file mode 100644
index 0000000000000000000000000000000000000000..ea6f31fc25f8b4beb371f11e4b9526cf2d8cebb2
--- /dev/null
+++ b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/Driver.java
@@ -0,0 +1,33 @@
+package de.hdm_stuttgart.mi.sda1.reewriteprepared;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+import de.hdm_stuttgart.mi.sda1.reewriteprepared.rdbms.CustomerInsert;
+
+
+/**
+ * Inserting customer into database demoSELECT count(*) FROM Customers WHERE uid = 'SELECT count(*) FROM Customers WHERE uid = '
+ *
+ */
+public class Driver {
+
+ /**
+ * @param args Unused
+ * @throws SQLException Possible database handling quirks
+ */
+ public static void main( String[] args ) throws SQLException {
+
+ final Connection connection = DriverManager.getConnection (
+ "jdbc:mysql://localhost:3306/hdm", "hdmuser", "XYZ");
+
+ final CustomerInsert userInsert = new CustomerInsert(connection);
+
+ userInsert.conditionallyInserCustomer ("fred", "Fred Astaire");
+
+ }
+}
+
+
+
diff --git a/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/rdbms/CustomerInsert.java b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/rdbms/CustomerInsert.java
new file mode 100644
index 0000000000000000000000000000000000000000..0ca3b9621833fb99016fa63ba6d30a6b4f462655
--- /dev/null
+++ b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/main/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/rdbms/CustomerInsert.java
@@ -0,0 +1,76 @@
+package de.hdm_stuttgart.mi.sda1.reewriteprepared.rdbms;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+/**
+ * Helper class implementing database access.
+ *
+ */
+public class CustomerInsert {
+
+ private static Logger log = LogManager.getLogger(CustomerInsert.class);
+
+ final Connection connection;
+ final PreparedStatement searchExistingCustomer, insertCustomer;
+
+ @SuppressWarnings("javadoc")
+ public CustomerInsert(final Connection connection) throws SQLException {
+ this.connection = connection;
+ connection.setAutoCommit(false);
+ searchExistingCustomer = connection.prepareStatement("SELECT uidNumber FROM Customers WHERE uid = ?");
+ insertCustomer = connection.prepareStatement("INSERT INTO Customers (uid, cname) VALUES (?, ?)");
+ }
+
+ /**
+ * Trying to add a new user represented by the user's uid (e.g. "fred") and common name (e.g. "Fred Astaire")
+ * to the current database. An insertion attempt will only happen if no database entry of the corresponding
+ * uid value yet exists.
+ *
+ * @param uid The new user's uid value like "fred"
+ * @param cname The new user's common name like "Fred Astaire"
+ * @return true if new user has been inserted, false if uid is already present or arguments are either null or inappropriate.
+ * @throws SQLException
+ *
+ * Precondition: The values of uid and cname must not be null and within the given database schema boundaries
+ * i.e. concerning string length.
+ *
+ */
+ public boolean conditionallyInserCustomer (final String uid, final String cname) throws SQLException {
+
+ try {
+ searchExistingCustomer.setString(1, uid);
+ final ResultSet existingUser = searchExistingCustomer.executeQuery();
+ if (existingUser.next()) {
+ log.warn("uid = '" + uid + "' is already in database");
+ connection.rollback();
+ return false; // Insertion error: An entry with this uid already exists
+ }
+ } catch (SQLException e) {
+ log.error("Unable search for customer '" + uid + "': "+ e.getLocalizedMessage());
+ throw e;
+ }
+
+ try {
+ insertCustomer.setString(1, uid);
+ insertCustomer.setString(2, cname);
+ final int numInsertedDatasets = insertCustomer.executeUpdate();
+ connection.commit();
+ if (1 == numInsertedDatasets) {
+ log.info("Successfully inserted uid = " + uid);
+ return true;
+ } else {
+ log.error("We should not be here: No exeption for failed customer insert uid = " + uid);
+ return false;
+ }
+ } catch (SQLException e) {
+ log.error("Unable to insert new customer: '" + e.getLocalizedMessage());
+ throw e;
+ }
+ }
+}
diff --git a/Klausuren/Sda1/WS2014/reewriteprepared_solution/src/main/resources/log4j2.xml b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/main/resources/log4j2.xml
similarity index 100%
rename from Klausuren/Sda1/WS2014/reewriteprepared_solution/src/main/resources/log4j2.xml
rename to Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/main/resources/log4j2.xml
diff --git a/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/test/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/CustomerInsertTest.java b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/test/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/CustomerInsertTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..2cfeed60226f4a59f43756a460530ebc56bfd152
--- /dev/null
+++ b/Klausuren/Sda1/WS2014/Rewriteprepared_solution/src/test/java/de/hdm_stuttgart/mi/sda1/reewriteprepared/CustomerInsertTest.java
@@ -0,0 +1,87 @@
+package de.hdm_stuttgart.mi.sda1.reewriteprepared;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import de.hdm_stuttgart.mi.sda1.reewriteprepared.rdbms.CustomerInsert;
+
+/**
+ * Creating a database connection, an initial schema and one record in {{@link #initDatabase()}. Subsequent tests
+ * try to add more records and perform related checks.
+ */
+
+@SuppressWarnings({ "javadoc", "resource" })
+public class CustomerInsertTest {
+
+ Connection connection = null;
+ CustomerInsert customerInsert = null;
+
+ // Create schema from scratch and insert a customer record "jim" prior to execution of test methods
+ @Before
+ public void initDatabase() throws SQLException {
+
+ connection = DriverManager.getConnection (
+ "jdbc:mysql://localhost:3306/hdm", "hdmuser", "XYZ");
+
+ customerInsert = new CustomerInsert(connection); // Will set auto commit to true
+
+
+ final Statement statement = connection.createStatement();
+
+ statement.executeUpdate("DROP TABLE IF EXISTS Customers");
+
+ statement.executeUpdate(
+ "CREATE TABLE Customers (\n"
+ + "uidNumber INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,\n"
+ + "uid CHAR(20) NOT NULL UNIQUE,\n"
+ + "cname VARCHAR(255) NOT NULL\n" +
+ ");");
+
+ statement.executeUpdate("INSERT INTO Customers (uid, cname) VALUES ('jim', 'Jim Bone');");
+ connection.commit();
+ statement.close();
+ }
+
+ /**
+ * @throws SQLException Failure should not occur during test phase
+ */
+ @Test
+ public void testInsertDuplicate() throws SQLException {
+ // "jim" was inserted by initDatabase already, so the subsequent call is bound to fail
+ Assert.assertFalse(customerInsert.conditionallyInserCustomer("jim", "Jim Alternate"));
+ }
+
+ /**
+ * @throws SQLException Failure should not occur during test phase
+ */
+ @Test
+ public void testInsertNew() throws SQLException {
+
+ // Insert second customer on top "jim" from initialization phase
+ //
+ Assert.assertTrue(customerInsert.conditionallyInserCustomer("eve", "Eve Gardener"));
+
+ // Search for all customers We expect two customers "eve" followed by "jim"
+ // to be present in our database.
+ final ResultSet customers = connection.createStatement().executeQuery(
+ "SELECT uid FROM Customers ORDER BY uid");
+
+ // Check for "eve"
+ Assert.assertTrue("No customer record found: Should be two", customers.next());
+ Assert.assertEquals("eve", customers.getString("uid"));
+
+ // Check for "jim"
+ Assert.assertTrue("Just one customer record found: Should be two", customers.next());
+ Assert.assertEquals("jim", customers.getString("uid"));
+
+ // No further record should be present
+ Assert.assertFalse("More than two customer records found", customers.next());
+ }
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/CreateSampleData.java b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/CreateSampleData.java
new file mode 100644
index 0000000000000000000000000000000000000000..138ca43d3830883fac0fca2fa0809ae39668f2a6
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/CreateSampleData.java
@@ -0,0 +1,48 @@
+package de.hdm_stuttgart.mi.sda2.catalog;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Persistence;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import de.hdm_stuttgart.mi.sda2.catalog.domain.FoodProduct;
+import de.hdm_stuttgart.mi.sda2.catalog.domain.ProductProvider;
+
+/**
+ * A simple http://logging.apache.org/log4j/2.x demo, see file log4j2.xml for
+ * configuration options.
+ *
+ */
+public class CreateSampleData {
+ private static Logger log = LogManager.getLogger(CreateSampleData.class);
+
+ /**
+ * @param args Unused
+ */
+ public static void main(String[] args) {
+
+ final EntityManagerFactory factory = Persistence
+ .createEntityManagerFactory("persistenceUnit");
+ final EntityManager manager = factory.createEntityManager();
+
+ final EntityTransaction tx = manager.getTransaction();
+
+ tx.begin();
+ {
+// final FoodProduct
+// mountainCheese = new FoodProduct(32, "Mountain cheese", 43),
+// goatCheese = new FoodProduct(36, "Goat cheese", 12);
+//
+// final ProductProvider smith = new ProductProvider("Smith & Sons");
+// smith.addProduct(mountainCheese);
+// log.info("Start persisting some objects");
+//
+// manager.persist(mountainCheese);
+// manager.persist(goatCheese);
+ }
+ tx.commit();
+ }
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/FoodProduct.java b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/FoodProduct.java
new file mode 100644
index 0000000000000000000000000000000000000000..64b18feca9a328276f59fa9db039cdb4fd9523b4
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/FoodProduct.java
@@ -0,0 +1,19 @@
+package de.hdm_stuttgart.mi.sda2.catalog.domain;
+
+import javax.persistence.Entity;
+
+
+/**
+ * Product of type food having a limited shelf life
+ *
+ */
+@Entity @SuppressWarnings("javadoc")
+public class FoodProduct extends Product {
+
+ int daysOfShelfLife;
+
+ protected FoodProduct() {
+ super();
+ }
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/NonFoodProduct.java b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/NonFoodProduct.java
new file mode 100644
index 0000000000000000000000000000000000000000..0d6438299f6ee93fbb4c22703c73a2c128c07344
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/NonFoodProduct.java
@@ -0,0 +1,10 @@
+package de.hdm_stuttgart.mi.sda2.catalog.domain;
+
+import javax.persistence.Entity;
+
+@SuppressWarnings("javadoc")
+@Entity
+public class NonFoodProduct extends Product {
+
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/Product.java b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/Product.java
new file mode 100644
index 0000000000000000000000000000000000000000..1bacbdf8ad4fbd057249401c488291a3447f310c
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/Product.java
@@ -0,0 +1,24 @@
+package de.hdm_stuttgart.mi.sda2.catalog.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.InheritanceType;
+
+
+/**
+ * Products of a grocery company
+ *
+ */
+@Entity
+@Inheritance(strategy=InheritanceType.JOINED)
+@SuppressWarnings("javadoc")
+public abstract class Product {
+
+ @Id
+ @GeneratedValue(strategy=GenerationType.IDENTITY)
+ Long id;
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/ProductProvider.java b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/ProductProvider.java
new file mode 100644
index 0000000000000000000000000000000000000000..6088e4e83a4ee01816cc24e1453ba6162ccfa9db
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/ProductProvider.java
@@ -0,0 +1,18 @@
+package de.hdm_stuttgart.mi.sda2.catalog.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+/**
+ * Supplier for products
+ *
+ */
+@Entity @SuppressWarnings("javadoc")
+public class ProductProvider {
+
+ @Id
+ @GeneratedValue(strategy=GenerationType.IDENTITY)
+ Long id;
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog/src/test/java/de/hdm_stuttgart/mi/sda2/jpa/university/AppTest.java b/Klausuren/Sda2/SoSe2013/Catalog/src/test/java/de/hdm_stuttgart/mi/sda2/jpa/university/AppTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..f9dc416cbfde3150f56b8eba5c28178eb5f6b10c
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog/src/test/java/de/hdm_stuttgart/mi/sda2/jpa/university/AppTest.java
@@ -0,0 +1,18 @@
+package de.hdm_stuttgart.mi.sda2.jpa.university;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Unit test for simple App.
+ */
+@SuppressWarnings("static-method")
+public class AppTest {
+ /**
+ * Dummy test method
+ */
+ @Test
+ public void testApp() {
+ Assert.assertTrue( true );
+ }
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/CreateSampleData.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/CreateSampleData.java
new file mode 100644
index 0000000000000000000000000000000000000000..d578706025a6c1c39ddfa865ffe13e3e2eed9129
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/CreateSampleData.java
@@ -0,0 +1,48 @@
+package de.hdm_stuttgart.mi.sda2.catalog;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Persistence;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import de.hdm_stuttgart.mi.sda2.catalog.domain.FoodProduct;
+import de.hdm_stuttgart.mi.sda2.catalog.domain.ProductProvider;
+
+/**
+ * A simple http://logging.apache.org/log4j/2.x demo, see file log4j2.xml for
+ * configuration options.
+ *
+ */
+public class CreateSampleData {
+ private static Logger log = LogManager.getLogger(CreateSampleData.class);
+
+ /**
+ * @param args Unused
+ */
+ public static void main(String[] args) {
+
+ final EntityManagerFactory factory = Persistence
+ .createEntityManagerFactory("persistenceUnit");
+ final EntityManager manager = factory.createEntityManager();
+
+ final EntityTransaction tx = manager.getTransaction();
+
+ tx.begin();
+ {
+ final FoodProduct
+ mountainCheese = new FoodProduct(32, "Mountain cheese", 43),
+ goatCheese = new FoodProduct(36, "Goat cheese", 12);
+
+ final ProductProvider smith = new ProductProvider("Smith & Sons");
+ smith.addProduct(mountainCheese);
+ log.info("Start persisting some objects");
+
+ manager.persist(mountainCheese);
+ manager.persist(goatCheese);
+ }
+ tx.commit();
+ }
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/LoadXml.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/LoadXml.java
new file mode 100644
index 0000000000000000000000000000000000000000..101483cb1448fa36d77d4f90ebd3ef1722e20a59
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/LoadXml.java
@@ -0,0 +1,40 @@
+package de.hdm_stuttgart.mi.sda2.catalog;
+
+import java.io.File;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Unmarshaller;
+
+import de.hdm_stuttgart.mi.sda2.catalog.jaxb.Article;
+import de.hdm_stuttgart.mi.sda2.catalog.jaxb.Group;
+import de.hdm_stuttgart.mi.sda2.catalog.jaxb.ProductGroups;
+
+/**
+ * Loading objects from XML file based data
+ *
+ */
+public class LoadXml {
+
+ /**
+ * @param args Unused
+ * @throws JAXBException
+ */
+ @SuppressWarnings("javadoc")
+ public static void main(String[] args) throws JAXBException {
+
+ final JAXBContext cdContext = JAXBContext.newInstance("de.hdm_stuttgart.mi.sda2.catalog.jaxb");
+ final Unmarshaller u = cdContext.createUnmarshaller();
+ final ProductGroups productGroups= (ProductGroups) u.unmarshal(new File("XmlData/samplegroups.xml"));
+
+ System.out.println(productGroups.getGroup().size() + " product group(s):");
+ for (final Group g : productGroups.getGroup()) {
+ System.out.println("Group title:" + g.getTitle() + " containing " + g.getArticle().size() + " article(s)");
+
+ for (Article a : g.getArticle()) {
+ System.out.println( "Article no. " + a.getProductNumber());
+ }
+ System.out.println("----------------");
+ }
+ }
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/LoadXmlRdbms.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/LoadXmlRdbms.java
new file mode 100644
index 0000000000000000000000000000000000000000..831793d75635127ca8544f76f7848fa7963f4ce4
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/LoadXmlRdbms.java
@@ -0,0 +1,80 @@
+package de.hdm_stuttgart.mi.sda2.catalog;
+
+import java.io.File;
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Persistence;
+import javax.persistence.TypedQuery;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Unmarshaller;
+
+import de.hdm_stuttgart.mi.sda2.catalog.domain.Product;
+import de.hdm_stuttgart.mi.sda2.catalog.domain.ProductProvider;
+import de.hdm_stuttgart.mi.sda2.catalog.jaxb.Article;
+import de.hdm_stuttgart.mi.sda2.catalog.jaxb.Group;
+import de.hdm_stuttgart.mi.sda2.catalog.jaxb.ProductGroups;
+
+/**
+ * Loading XML and RDBMS data
+ *
+ */
+public class LoadXmlRdbms {
+
+ /**
+ * @param args Unused
+ */
+ @SuppressWarnings("javadoc")
+ public static void main(String[] args) throws JAXBException {
+
+ final EntityManagerFactory factory = Persistence
+ .createEntityManagerFactory("persistenceUnitNoDrop");
+ final EntityManager manager = factory.createEntityManager();
+
+
+
+ final JAXBContext cdContext = JAXBContext.newInstance("de.hdm_stuttgart.mi.sda2.catalog.jaxb");
+ final Unmarshaller u = cdContext.createUnmarshaller();
+ final ProductGroups productGroups= (ProductGroups) u.unmarshal(new File("XmlData/samplegroups.xml"));
+
+ System.out.println(productGroups.getGroup().size() + " product group(s):");
+ for (final Group g : productGroups.getGroup()) {
+ System.out.println("Group title:" + g.getTitle() + " containing " + g.getArticle().size() + " article(s)");
+
+ for (Article a : g.getArticle()) {
+ System.out.println( "Article no. " + a.getProductNumber());
+ addRdbmsData(manager, a.getProductNumber());
+ }
+ System.out.println("----------------");
+ }
+ }
+
+ private static void addRdbmsData(final EntityManager em, final int productNumber) {
+ final EntityTransaction tx = em.getTransaction();
+ tx.begin();
+ {
+
+ final TypedQuery<Product> query = em.createQuery(
+ "SELECT p FROM Product p WHERE p.productNumber = :productNumber", Product.class);
+ query.setParameter("productNumber", productNumber);
+ final List<Product> retrievedProducts = query.getResultList();
+ if (0 == retrievedProducts.size()) {
+ System.out.println("No product data available");
+ } else {
+ final Product p = retrievedProducts.get(0);
+ System.out.print(p.toString());
+ ProductProvider pp = p.getPrimaryProvider();
+ if (null == pp) {
+ System.out.println();
+ } else {
+ System.out.println(", primary provider:" + pp.getName());
+ }
+ }
+
+ }
+ tx.commit();
+ }
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/FoodProduct.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/FoodProduct.java
new file mode 100644
index 0000000000000000000000000000000000000000..4d5e101f0709b4c4f88904e6dd4f88ebfe29615c
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/FoodProduct.java
@@ -0,0 +1,38 @@
+package de.hdm_stuttgart.mi.sda2.catalog.domain;
+
+import javax.persistence.Entity;
+
+
+/**
+ * Product of type food having a limited shelf life
+ *
+ */
+@Entity @SuppressWarnings("javadoc")
+public class FoodProduct extends Product {
+
+ int daysOfShelfLife;
+
+ protected FoodProduct() {
+ super();
+ }
+
+ public FoodProduct(int productNumber, String name, int daysOfShelfLife) {
+ super(productNumber, name);
+ setDaysOfShelfLife(daysOfShelfLife);
+ }
+
+
+ public int getDaysOfShelfLife() {
+ return daysOfShelfLife;
+ }
+
+ public void setDaysOfShelfLife(int daysOfShelfLife) {
+ this.daysOfShelfLife = daysOfShelfLife;
+ }
+
+ @Override
+ public String toString() {
+ return "Food product " + super.toString() + ", days shelf life=" + getDaysOfShelfLife();
+ }
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/NonFoodProduct.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/NonFoodProduct.java
new file mode 100644
index 0000000000000000000000000000000000000000..b79acef3eebaf54920a259c91c1d2f098803fc05
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/NonFoodProduct.java
@@ -0,0 +1,33 @@
+package de.hdm_stuttgart.mi.sda2.catalog.domain;
+
+import javax.persistence.Entity;
+
+@SuppressWarnings("javadoc")
+@Entity
+public class NonFoodProduct extends Product {
+
+ boolean onlineAvailable; // May be ordered online by customers?
+
+
+ protected NonFoodProduct() {
+ super();
+ }
+
+ public NonFoodProduct(int productNumber, String name, boolean onlineAvailable) {
+ super(productNumber, name);
+ this.onlineAvailable = onlineAvailable;
+ }
+
+ public boolean isOnlineAvailable() {
+ return onlineAvailable;
+ }
+
+ public void setOnlineAvailable(boolean onlineAvailable) {
+ this.onlineAvailable = onlineAvailable;
+ }
+
+ @Override
+ public String toString() {
+ return "Non-food product " + super.toString() + ", online available=" + isOnlineAvailable();
+ }
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/Product.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/Product.java
new file mode 100644
index 0000000000000000000000000000000000000000..7e5728fd1755705622c7f757d1a42ff690f02450
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/Product.java
@@ -0,0 +1,77 @@
+package de.hdm_stuttgart.mi.sda2.catalog.domain;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.InheritanceType;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+
+
+/**
+ * Products of a supermarket group
+ *
+ */
+@Entity
+@Inheritance(strategy=InheritanceType.JOINED)
+@SuppressWarnings("javadoc")
+public abstract class Product {
+
+ @Id
+ @GeneratedValue(strategy=GenerationType.IDENTITY)
+ Long id;
+
+ @Column(unique=true, nullable=false)
+ int productNumber;
+
+ String name; // e.g. "Tennis racket"
+
+ @ManyToOne(cascade=CascadeType.ALL)
+ @JoinColumn(nullable=true)
+ ProductProvider primaryProvider;
+
+ protected Product() {}
+
+ public Product(int productNumber, String name) {
+ setProductNumber(productNumber);
+ setName(name);
+ }
+
+ public int getProductNumber() {
+ return productNumber;
+ }
+
+ public void setProductNumber(int productNumber) {
+ this.productNumber = productNumber;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Long getId() {
+ return id;
+ }
+
+ public ProductProvider getPrimaryProvider() {
+ return primaryProvider;
+ }
+
+ protected void setPrimaryProvider(ProductProvider primaryProvider) {
+ this.primaryProvider = primaryProvider;
+ }
+
+ @Override
+ public String toString() {
+ return ", productNo. =" + getProductNumber() + ", id=" + getId();
+ }
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/ProductProvider.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/ProductProvider.java
new file mode 100644
index 0000000000000000000000000000000000000000..ee2c342183e3745650db8a764990b17547d58e74
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/domain/ProductProvider.java
@@ -0,0 +1,58 @@
+package de.hdm_stuttgart.mi.sda2.catalog.domain;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+
+/**
+ * Supplier for products
+ *
+ */
+@Entity @SuppressWarnings("javadoc")
+public class ProductProvider {
+
+ @Id
+ @GeneratedValue(strategy=GenerationType.IDENTITY)
+ Long id;
+ String name; // e.g. "Tennis racket"
+
+ @OneToMany(mappedBy="primaryProvider", cascade=CascadeType.ALL)
+ Set<Product> products;
+
+ protected ProductProvider() {}
+
+ public ProductProvider(String name) {
+ products = new HashSet<Product>();
+ setName(name);
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Long getId() {
+ return id;
+ }
+
+ public void addProduct(final Product product) {
+ if (!products.contains(product)) {
+ ProductProvider pp = product.getPrimaryProvider();
+ if (null != pp) {
+ pp.products.remove(product);
+ }
+ product.setPrimaryProvider(this);
+ products.add(product);
+ }
+ }
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/Article.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/Article.java
new file mode 100644
index 0000000000000000000000000000000000000000..2e1acdd53258395322d93b55a78dfa7b71ef70fb
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/Article.java
@@ -0,0 +1,67 @@
+//
+// This file was generated by the JavaTM Architecture for XML Binding(JAXB) Reference Implementation, v2.2.8-b130911.1802
+// See <a href="http://java.sun.com/xml/jaxb">http://java.sun.com/xml/jaxb</a>
+// Any modifications to this file will be lost upon recompilation of the source schema.
+// Generated on: 2015.02.18 at 01:14:13 PM CET
+//
+
+
+package de.hdm_stuttgart.mi.sda2.catalog.jaxb;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
+
+/**
+ * <p>Java class for anonymous complex type.
+ *
+ * <p>The following schema fragment specifies the expected content contained within this class.
+ *
+ * <pre>
+ * <complexType>
+ * <complexContent>
+ * <restriction base="{http://www.w3.org/2001/XMLSchema}anyType">
+ * <attribute name="productNumber" type="{http://www.w3.org/2001/XMLSchema}int" />
+ * </restriction>
+ * </complexContent>
+ * </complexType>
+ * </pre>
+ *
+ *
+ */
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlType(name = "")
+@XmlRootElement(name = "article")
+public class Article {
+
+ @XmlAttribute(name = "productNumber")
+ protected Integer productNumber;
+
+ /**
+ * Gets the value of the productNumber property.
+ *
+ * @return
+ * possible object is
+ * {@link Integer }
+ *
+ */
+ public Integer getProductNumber() {
+ return productNumber;
+ }
+
+ /**
+ * Sets the value of the productNumber property.
+ *
+ * @param value
+ * allowed object is
+ * {@link Integer }
+ *
+ */
+ public void setProductNumber(Integer value) {
+ this.productNumber = value;
+ }
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/Group.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/Group.java
new file mode 100644
index 0000000000000000000000000000000000000000..47523a009370ed19f5a1376e118dd26dc24cce21
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/Group.java
@@ -0,0 +1,105 @@
+//
+// This file was generated by the JavaTM Architecture for XML Binding(JAXB) Reference Implementation, v2.2.8-b130911.1802
+// See <a href="http://java.sun.com/xml/jaxb">http://java.sun.com/xml/jaxb</a>
+// Any modifications to this file will be lost upon recompilation of the source schema.
+// Generated on: 2015.02.18 at 01:14:13 PM CET
+//
+
+
+package de.hdm_stuttgart.mi.sda2.catalog.jaxb;
+
+import java.util.ArrayList;
+import java.util.List;
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
+
+/**
+ * <p>Java class for anonymous complex type.
+ *
+ * <p>The following schema fragment specifies the expected content contained within this class.
+ *
+ * <pre>
+ * <complexType>
+ * <complexContent>
+ * <restriction base="{http://www.w3.org/2001/XMLSchema}anyType">
+ * <sequence>
+ * <element name="title" type="{http://www.w3.org/2001/XMLSchema}string"/>
+ * <element ref="{}article" maxOccurs="unbounded" minOccurs="0"/>
+ * </sequence>
+ * </restriction>
+ * </complexContent>
+ * </complexType>
+ * </pre>
+ *
+ *
+ */
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlType(name = "", propOrder = {
+ "title",
+ "article"
+})
+@XmlRootElement(name = "group")
+public class Group {
+
+ @XmlElement(required = true)
+ protected String title;
+ protected List<Article> article;
+
+ /**
+ * Gets the value of the title property.
+ *
+ * @return
+ * possible object is
+ * {@link String }
+ *
+ */
+ public String getTitle() {
+ return title;
+ }
+
+ /**
+ * Sets the value of the title property.
+ *
+ * @param value
+ * allowed object is
+ * {@link String }
+ *
+ */
+ public void setTitle(String value) {
+ this.title = value;
+ }
+
+ /**
+ * Gets the value of the article property.
+ *
+ * <p>
+ * This accessor method returns a reference to the live list,
+ * not a snapshot. Therefore any modification you make to the
+ * returned list will be present inside the JAXB object.
+ * This is why there is not a <CODE>set</CODE> method for the article property.
+ *
+ * <p>
+ * For example, to add a new item, do as follows:
+ * <pre>
+ * getArticle().add(newItem);
+ * </pre>
+ *
+ *
+ * <p>
+ * Objects of the following type(s) are allowed in the list
+ * {@link Article }
+ *
+ *
+ */
+ public List<Article> getArticle() {
+ if (article == null) {
+ article = new ArrayList<Article>();
+ }
+ return this.article;
+ }
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/ObjectFactory.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/ObjectFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..8734830be7a342393c1f3e6fc08fb3b71f73d30f
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/ObjectFactory.java
@@ -0,0 +1,63 @@
+//
+// This file was generated by the JavaTM Architecture for XML Binding(JAXB) Reference Implementation, v2.2.8-b130911.1802
+// See <a href="http://java.sun.com/xml/jaxb">http://java.sun.com/xml/jaxb</a>
+// Any modifications to this file will be lost upon recompilation of the source schema.
+// Generated on: 2015.02.18 at 01:14:13 PM CET
+//
+
+
+package de.hdm_stuttgart.mi.sda2.catalog.jaxb;
+
+import javax.xml.bind.annotation.XmlRegistry;
+
+
+/**
+ * This object contains factory methods for each
+ * Java content interface and Java element interface
+ * generated in the de.hdm_stuttgart.mi.sda2.catalog.jaxb package.
+ * <p>An ObjectFactory allows you to programatically
+ * construct new instances of the Java representation
+ * for XML content. The Java representation of XML
+ * content can consist of schema derived interfaces
+ * and classes representing the binding of schema
+ * type definitions, element declarations and model
+ * groups. Factory methods for each of these are
+ * provided in this class.
+ *
+ */
+@XmlRegistry
+public class ObjectFactory {
+
+
+ /**
+ * Create a new ObjectFactory that can be used to create new instances of schema derived classes for package: de.hdm_stuttgart.mi.sda2.catalog.jaxb
+ *
+ */
+ public ObjectFactory() {
+ }
+
+ /**
+ * Create an instance of {@link ProductGroups }
+ *
+ */
+ public ProductGroups createProductGroups() {
+ return new ProductGroups();
+ }
+
+ /**
+ * Create an instance of {@link Group }
+ *
+ */
+ public Group createGroup() {
+ return new Group();
+ }
+
+ /**
+ * Create an instance of {@link Article }
+ *
+ */
+ public Article createArticle() {
+ return new Article();
+ }
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/ProductGroups.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/ProductGroups.java
new file mode 100644
index 0000000000000000000000000000000000000000..5479e1c9d2424c88118ddf845bea275e11f10e54
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/main/java/de/hdm_stuttgart/mi/sda2/catalog/jaxb/ProductGroups.java
@@ -0,0 +1,76 @@
+//
+// This file was generated by the JavaTM Architecture for XML Binding(JAXB) Reference Implementation, v2.2.8-b130911.1802
+// See <a href="http://java.sun.com/xml/jaxb">http://java.sun.com/xml/jaxb</a>
+// Any modifications to this file will be lost upon recompilation of the source schema.
+// Generated on: 2015.02.18 at 01:14:13 PM CET
+//
+
+
+package de.hdm_stuttgart.mi.sda2.catalog.jaxb;
+
+import java.util.ArrayList;
+import java.util.List;
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
+
+/**
+ * <p>Java class for anonymous complex type.
+ *
+ * <p>The following schema fragment specifies the expected content contained within this class.
+ *
+ * <pre>
+ * <complexType>
+ * <complexContent>
+ * <restriction base="{http://www.w3.org/2001/XMLSchema}anyType">
+ * <sequence>
+ * <element ref="{}group" maxOccurs="unbounded" minOccurs="0"/>
+ * </sequence>
+ * </restriction>
+ * </complexContent>
+ * </complexType>
+ * </pre>
+ *
+ *
+ */
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlType(name = "", propOrder = {
+ "group"
+})
+@XmlRootElement(name = "productGroups")
+public class ProductGroups {
+
+ protected List<Group> group;
+
+ /**
+ * Gets the value of the group property.
+ *
+ * <p>
+ * This accessor method returns a reference to the live list,
+ * not a snapshot. Therefore any modification you make to the
+ * returned list will be present inside the JAXB object.
+ * This is why there is not a <CODE>set</CODE> method for the group property.
+ *
+ * <p>
+ * For example, to add a new item, do as follows:
+ * <pre>
+ * getGroup().add(newItem);
+ * </pre>
+ *
+ *
+ * <p>
+ * Objects of the following type(s) are allowed in the list
+ * {@link Group }
+ *
+ *
+ */
+ public List<Group> getGroup() {
+ if (group == null) {
+ group = new ArrayList<Group>();
+ }
+ return this.group;
+ }
+
+}
diff --git a/Klausuren/Sda2/SoSe2013/Catalog_solution/src/test/java/de/hdm_stuttgart/mi/sda2/jpa/university/AppTest.java b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/test/java/de/hdm_stuttgart/mi/sda2/jpa/university/AppTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..f9dc416cbfde3150f56b8eba5c28178eb5f6b10c
--- /dev/null
+++ b/Klausuren/Sda2/SoSe2013/Catalog_solution/src/test/java/de/hdm_stuttgart/mi/sda2/jpa/university/AppTest.java
@@ -0,0 +1,18 @@
+package de.hdm_stuttgart.mi.sda2.jpa.university;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Unit test for simple App.
+ */
+@SuppressWarnings("static-method")
+public class AppTest {
+ /**
+ * Dummy test method
+ */
+ @Test
+ public void testApp() {
+ Assert.assertTrue( true );
+ }
+}