From 7d48e1228bb06b49439fbcaa895b2b58954adb46 Mon Sep 17 00:00:00 2001
From: Martin Goik <goik@hdm-stuttgart.de>
Date: Thu, 12 Jan 2017 16:23:40 +0100
Subject: [PATCH] Correcting JPA rdbms2catalog export exercise
---
.../Ref/src/rdbms2catalog.jpa.skeleton.zip | Bin 12854 -> 0 bytes
Doc/Sda1/jdbc.xml | 68 +++++++++++++-----
Doc/Sda1/jpaintro.xml | 50 ++++++++-----
P/Sda1/Jpa/rdbms2catalog/skeleton/pom.xml | 16 ++---
.../sda1/sql2catalog/model/Description.java | 3 -
.../main/resources/META-INF/persistence.xml | 60 +++++++++-------
.../test/java/rdbms2catalog/TestSchema.java | 3 +-
P/Sda1/Jpa/rdbms2catalog/solution/pom.xml | 5 +-
.../mi/sda1/sql2catalog/RdbmsAccess.java | 36 ++++++----
.../sda1/sql2catalog/model/Description.java | 3 +-
.../main/resources/META-INF/persistence.xml | 58 ++++++++-------
.../test/java/rdbms2catalog/TestSchema.java | 12 ++--
12 files changed, 191 insertions(+), 123 deletions(-)
delete mode 100644 Doc/Sda1/Ref/src/rdbms2catalog.jpa.skeleton.zip
diff --git a/Doc/Sda1/Ref/src/rdbms2catalog.jpa.skeleton.zip b/Doc/Sda1/Ref/src/rdbms2catalog.jpa.skeleton.zip
deleted file mode 100644
index 50ae5f1b69797913c10a10bec021afac30693d9f..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001
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diff --git a/Doc/Sda1/jdbc.xml b/Doc/Sda1/jdbc.xml
index 7b29a0c37..517e205e4 100644
--- a/Doc/Sda1/jdbc.xml
+++ b/Doc/Sda1/jdbc.xml
@@ -3532,42 +3532,76 @@ CREATE TABLE Description (
-- A single product lacking age property --
INSERT INTO Product (id, name) VALUES (1, 'Monkey Picked Tea');
-INSERT INTO Description VALUES(1, 0, 'Picked only by specially trained monkeys');
-INSERT INTO Description VALUES(1, 1, 'Rare wild Chinese tea');
+INSERT INTO Description VALUES(1, 0, 'Picked only by specially trained monkeys.');
+INSERT INTO Description VALUES(1, 1, 'Rare wild Chinese tea.');
INSERT INTO Product VALUES (2, '4-Person Instant Tent', 15);
INSERT INTO Description VALUES(2, 0, 'Exclusive WeatherTec system.');
-INSERT INTO Description VALUES(2, 1, '4-person, 1-compartment tent');
-INSERT INTO Description VALUES(2, 2, 'Pre-attached tent poles');</programlisting>
+INSERT INTO Description VALUES(2, 1, '4-person, 1-compartment tent.');
+INSERT INTO Description VALUES(2, 2, 'Pre-attached tent poles.');</programlisting>
- <para>Write a <xref linkend="glo_JDBC"/> application which
- reads from your RDBMS data and exports a corresponding <xref
- linkend="glo_XML"/> instance:</para>
+ <orderedlist>
+ <listitem>
+ <para>Explain the ratio of the <code>UNIQUE(product,
+ orderIndex)</code> constraint in
+ <classname>Description</classname>.</para>
+ </listitem>
+
+ <listitem>
+ <para>Write a <xref linkend="glo_JDBC"/> application which
+ reads from your RDBMS data and exports a corresponding
+ <xref linkend="glo_XML"/> instance:</para>
- <programlisting language="xml"><catalog>
+ <programlisting language="xml"><catalog>
<product id="1">
<name>Monkey Picked Tea</name>
<description>Picked only by specially trained monkeys</description>
- <description>Rare wild Chinese tea</description>
+ <description>Rare wild Chinese tea.</description>
</product>
<product id="2">
<name>4-Person Instant Tent</name>
<description>Exclusive WeatherTec system.</description>
- <description>4-person, 1-compartment tent</description>
- <description>Pre-attached tent poles</description>
+ <description>4-person, 1-compartment tent.</description>
+ <description>Pre-attached tent poles.</description>
<age>15</age>
</product>
</catalog></programlisting>
- <para>Use <link
- xlink:href="https://docs.oracle.com/javase/7/docs/api/java/sql/PreparedStatement.html">PreparedStatement</link>
- instances throughout your application.</para>
+ <para>Use <link
+ xlink:href="https://docs.oracle.com/javase/7/docs/api/java/sql/PreparedStatement.html">PreparedStatement</link>
+ instances throughout your application.</para>
+ </listitem>
+ </orderedlist>
</question>
<answer>
- <annotation role="make">
- <para role="eclipse">Sda1/rdbms2catalog</para>
- </annotation>
+ <orderedlist>
+ <listitem>
+ <para>Without <code>UNIQUE(product, orderIndex)</code> the
+ following state would become possible:</para>
+
+ <programlisting language="none">+---------+------------------------------+------------+
+| product | text | orderIndex |
++---------+------------------------------+------------+
+| ... | ... | ... |
+| 2 | Exclusive WeatherTec system. | 1 |
+| 2 | 4-person, 1-compartment tent.| 1 |
+| ... | ... | ... |
++---------+------------------------------+------------+</programlisting>
+
+ <para>The presence of two distinct descriptions having
+ identical orderIndex does not enforce the required
+ order.</para>
+ </listitem>
+
+ <listitem>
+ <para>See:</para>
+
+ <annotation role="make">
+ <para role="eclipse">Sda1/rdbms2catalog</para>
+ </annotation>
+ </listitem>
+ </orderedlist>
</answer>
</qandaentry>
</qandadiv>
diff --git a/Doc/Sda1/jpaintro.xml b/Doc/Sda1/jpaintro.xml
index d75b1fed3..12bf9e209 100644
--- a/Doc/Sda1/jpaintro.xml
+++ b/Doc/Sda1/jpaintro.xml
@@ -326,16 +326,18 @@ TRACE [main] sql.BasicBinder (BasicBinder.java:65) - binding parameter [1] as [V
<question>
<para>In <xref linkend="sda1SectRelationadatal2Xml"/> you exported
RDBMS data to <xref linkend="glo_XML"/> by means of <xref
- linkend="glo_JDBC"/>.</para>
-
- <para>In this exercise we want to facilitate the database reading
- part by using <xref linkend="glo_JPA"/>. You may follow the
- subsequently described steps:</para>
+ linkend="glo_JDBC"/>. In this follow up exercise <xref
+ linkend="glo_JPA"/> will be used facilitating the database reading
+ part following:</para>
<orderedlist>
<listitem>
- <para>Import the Maven skeleton project <link
- xlink:href="/Sda1/Ref/src/rdbms2catalog.jpa.skeleton.zip">rdbms2catalog.jpa.skeleton.zip</link>.</para>
+ <para>Import the following (standalone) Maven skeleton project
+ into your workspace:</para>
+
+ <annotation role="make">
+ <para role="eclipse">Sda1/Jpa/rdbms2catalog/skeleton</para>
+ </annotation>
</listitem>
<listitem>
@@ -348,17 +350,30 @@ TRACE [main] sql.BasicBinder (BasicBinder.java:65) - binding parameter [1] as [V
<tip>
<para>Since <classname>Description</classname> instances are
composites with respect to <classname>Product</classname>
- you might want to use <interfacename
+ (Composition rather than aggregation or association) you
+ might want to use <interfacename
xlink:href="https://en.wikibooks.org/wiki/Java_Persistence/ElementCollection">@ElementCollection</interfacename>
in favour of <interfacename
xlink:href="https://en.wikibooks.org/wiki/Java_Persistence/ManyToOne">@ManyToOne</interfacename>
- / <interfacename
+ and <interfacename
xlink:href="https://en.wikibooks.org/wiki/Java_Persistence/OneToMany">@OneToMany</interfacename>.</para>
</tip>
- <para>Test your implementation by uncommenting the test
- method's body in
- <classname>rdbms2catalog.TestSchema</classname>.</para>
+ <tip>
+ <para>Regarding ordering of descriptions you may want to
+ read <interfacename
+ xlink:href="http://docs.oracle.com/javaee/7/api/javax/persistence/OrderColumn.html">@OrderColumn</interfacename>'s
+ documentation.</para>
+ </tip>
+ </listitem>
+
+ <listitem>
+ <para>The <xref linkend="glo_Junit"/> test class
+ <classname>rdbms2catalog.TestSchema</classname> does contain
+ <xref linkend="glo_JPA"/> data inserting code being commented
+ out. Having your data model completed you may uncomment these.
+ Test execution will then populate your database with sample
+ data.</para>
</listitem>
<listitem>
@@ -367,11 +382,12 @@ TRACE [main] sql.BasicBinder (BasicBinder.java:65) - binding parameter [1] as [V
<tip>
<para><filename>META-INF/persistence.xml</filename> does
- contain a second persistence unit definition
- <property>name="none"</property> which does not alter the
- database schema. Since your tests already inserted required
- test data you may use this alternate configuration for using
- your RDBMS as a data source.</para>
+ contain a second persistence unit
+ <quote>strategy_none</quote> which does not alter the
+ database schema. Since your tests already created a schema
+ and inserted required test data you may use this alternate
+ configuration for reading from your RDBMS data
+ source.</para>
</tip>
</listitem>
</orderedlist>
diff --git a/P/Sda1/Jpa/rdbms2catalog/skeleton/pom.xml b/P/Sda1/Jpa/rdbms2catalog/skeleton/pom.xml
index b8bb6115c..0be8114f2 100644
--- a/P/Sda1/Jpa/rdbms2catalog/skeleton/pom.xml
+++ b/P/Sda1/Jpa/rdbms2catalog/skeleton/pom.xml
@@ -2,15 +2,8 @@
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
- <parent>
- <groupId>de.hdm-stuttgart.mi</groupId>
- <artifactId>lecturenotes-pom</artifactId>
- <version>1.0</version>
- <relativePath>../../../../pom.xml</relativePath>
- </parent>
-
<groupId>de.hdm-stuttgart.mi.sda1</groupId>
- <artifactId>rdbms2catalog</artifactId>
+ <artifactId>rdbms2catalog-skeleton</artifactId>
<version>0.9</version>
<packaging>jar</packaging>
@@ -28,6 +21,7 @@
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
+ <version>5.1.39</version>
</dependency>
<dependency>
@@ -54,7 +48,7 @@
<dependency>
<groupId>org.jdom</groupId>
<artifactId>jdom2</artifactId>
- <version>${org.jdom.jdom2.version}</version>
+ <version>2.0.6</version>
</dependency>
</dependencies>
@@ -139,7 +133,7 @@
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
- <Main-Class>jpaintro.university.CreateEntity</Main-Class>
+ <Main-Class>de.hdm_stuttgart.mi.sda1.sql2catalog.Rdbms2Xml</Main-Class>
</manifestEntries>
</transformer>
</transformers>
@@ -156,4 +150,4 @@
</plugins>
</build>
-</project>
+</project>
\ No newline at end of file
diff --git a/P/Sda1/Jpa/rdbms2catalog/skeleton/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java b/P/Sda1/Jpa/rdbms2catalog/skeleton/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java
index 4f3187ef4..753fe59db 100644
--- a/P/Sda1/Jpa/rdbms2catalog/skeleton/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java
+++ b/P/Sda1/Jpa/rdbms2catalog/skeleton/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java
@@ -8,8 +8,5 @@ import javax.persistence.Id;
public class Description {
@Id
- @GeneratedValue
Long id;
-
-
}
diff --git a/P/Sda1/Jpa/rdbms2catalog/skeleton/src/main/resources/META-INF/persistence.xml b/P/Sda1/Jpa/rdbms2catalog/skeleton/src/main/resources/META-INF/persistence.xml
index 99110e6f4..964be2ed9 100644
--- a/P/Sda1/Jpa/rdbms2catalog/skeleton/src/main/resources/META-INF/persistence.xml
+++ b/P/Sda1/Jpa/rdbms2catalog/skeleton/src/main/resources/META-INF/persistence.xml
@@ -1,54 +1,62 @@
-<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
+<persistence
+ version="2.1"
+ xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
- http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
- version="2.1">
+ xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
+ http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
- <persistence-unit name="drop-create" transaction-type="RESOURCE_LOCAL">
+ <persistence-unit name = "strategy_drop-and-create">
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties>
- <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
- <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
- <property name="javax.persistence.jdbc.user" value="hdmuser"/>
- <property name="javax.persistence.jdbc.password" value="XYZ"/>
+ <!--
+ JDBC database connection parameter
+ -->
+
+ <property name = "javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
+ <property name = "javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
+ <property name = "javax.persistence.jdbc.user" value="hdmuser"/>
+ <property name = "javax.persistence.jdbc.password" value="XYZ"/>
<property
- name="javax.persistence.schema-generation.database.action"
+ name = "javax.persistence.schema-generation.database.action"
value="drop-and-create"/>
- <property name="hibernate.format_sql" value="true"/>
- <property name="hibernate.use_sql_comments" value="true"/>
+ <property name = "hibernate.show_sql" value = "true" />
+ <property name = "hibernate.format_sql" value="true"/>
+ <property name = "hibernate.use_sql_comments" value="true"/>
- <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
+ <property name = "hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
- <property name="hibernate.archive.autodetection" value="class"/>
+ <property name = "hibernate.archive.autodetection" value="class"/>
</properties>
</persistence-unit>
- <persistence-unit name="update" transaction-type="RESOURCE_LOCAL">
+ <persistence-unit name = "strategy_none">
+
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties>
- <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
- <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
- <property name="javax.persistence.jdbc.user" value="hdmuser"/>
- <property name="javax.persistence.jdbc.password" value="XYZ"/>
+ <property name = "javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
+ <property name = "javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
+ <property name = "javax.persistence.jdbc.user" value="hdmuser"/>
+ <property name = "javax.persistence.jdbc.password" value="XYZ"/>
<property
- name="javax.persistence.schema-generation.database.action"
- value="update"/>
+ name = "javax.persistence.schema-generation.database.action"
+ value="none"/>
- <property name="hibernate.format_sql" value="true"/>
- <property name="hibernate.use_sql_comments" value="true"/>
+ <property name = "hibernate.show_sql" value = "true" />
+ <property name = "hibernate.format_sql" value="true"/>
+ <property name = "hibernate.use_sql_comments" value="true"/>
- <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
+ <property name = "hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
- <property name="hibernate.archive.autodetection" value="class"/>
+ <property name = "hibernate.archive.autodetection" value="class"/>
</properties>
</persistence-unit>
-</persistence>
\ No newline at end of file
+</persistence>
diff --git a/P/Sda1/Jpa/rdbms2catalog/skeleton/src/test/java/rdbms2catalog/TestSchema.java b/P/Sda1/Jpa/rdbms2catalog/skeleton/src/test/java/rdbms2catalog/TestSchema.java
index c1ee75539..8066bc23e 100644
--- a/P/Sda1/Jpa/rdbms2catalog/skeleton/src/test/java/rdbms2catalog/TestSchema.java
+++ b/P/Sda1/Jpa/rdbms2catalog/skeleton/src/test/java/rdbms2catalog/TestSchema.java
@@ -12,7 +12,7 @@ public class TestSchema {
static final EntityManager em;
static {
- final EntityManagerFactory emFactory = Persistence.createEntityManagerFactory("drop-create");
+ final EntityManagerFactory emFactory = Persistence.createEntityManagerFactory("strategy_drop-and-create");
em = emFactory.createEntityManager();
}
@@ -36,6 +36,7 @@ public class TestSchema {
// instantTent.getDescriptions().add(new Description("Pre-attached tent poles"));
transaction.commit();
+ em.close();
em.getEntityManagerFactory().close();
}
}
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/pom.xml b/P/Sda1/Jpa/rdbms2catalog/solution/pom.xml
index ede66d9b8..c674df304 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/pom.xml
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/pom.xml
@@ -18,7 +18,6 @@
<name>rdbms2catalogJpa</name>
<url>http://www.mi.hdm-stuttgart.de/freedocs</url>
-
<dependencies>
<dependency>
@@ -141,7 +140,7 @@
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
- <Main-Class>jpaintro.university.CreateEntity</Main-Class>
+ <Main-Class>de.hdm_stuttgart.mi.sda1.sql2catalog.Rdbms2Xml</Main-Class>
</manifestEntries>
</transformer>
</transformers>
@@ -158,4 +157,4 @@
</plugins>
</build>
-</project>
+</project>
\ No newline at end of file
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/RdbmsAccess.java b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/RdbmsAccess.java
index 11c0a0394..a4b3d6321 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/RdbmsAccess.java
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/RdbmsAccess.java
@@ -4,6 +4,7 @@ import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
+import javax.persistence.criteria.CriteriaQuery;
import org.jdom2.Element;
@@ -15,10 +16,11 @@ import de.hdm_stuttgart.mi.sda1.sql2catalog.model.Product;
*/
public class RdbmsAccess {
+ static final EntityManagerFactory emFactory;
static final EntityManager em;
static {
- final EntityManagerFactory emFactory = Persistence.createEntityManagerFactory("update");
+ emFactory = Persistence.createEntityManagerFactory("strategy_none");
em = emFactory.createEntityManager();
}
@@ -27,26 +29,32 @@ public class RdbmsAccess {
* @param root
*/
public void appendProducts(final Element root) {
+
+ final CriteriaQuery<Product> criteria = emFactory.getCriteriaBuilder().createQuery(Product.class);
+ criteria.from(Product.class);
+
final EntityTransaction transaction = em.getTransaction();
- transaction.begin();
+ transaction.begin();{
+
+ for (final Product p: em.createQuery(criteria).getResultList()) {
- for (final Product p: em.createQuery("SELECT p FROM Product p", Product.class).getResultList()) {
+ final Element productElement = new Element("product");
+ root.addContent(productElement);
+ productElement.setAttribute("id", "" + p.getId());
- final Element productElement = new Element("product");
- root.addContent(productElement);
- productElement.setAttribute("id", "" + p.getId());
-
- System.out.println(p.getName() + "++++++++++++++++++++++++++++++++++++");
+ System.out.println(p.getName() + "++++++++++++++++++++++++++++++++++++");
- productElement.addContent(new Element("name").addContent(p.getName()));
+ productElement.addContent(new Element("name").addContent(p.getName()));
- p.getDescriptions().stream().forEach(description -> {
- productElement.addContent(new Element("description").addContent(description.getDescription()));
- });
+ p.getDescriptions().stream().forEach(description -> {
+ productElement.addContent(new Element("description").addContent(description.getDescription()));
+ });
- p.getAge().ifPresent(age -> productElement.addContent(new Element("age").addContent(age.toString())));
+ p.getAge().ifPresent(age -> productElement.addContent(new Element("age").addContent(age.toString())));
+ }
}
transaction.commit();
- em.getEntityManagerFactory().close();
+ em.close();
+ emFactory.close();
}
}
\ No newline at end of file
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java
index 0db107250..ff9283a79 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java
@@ -1,5 +1,6 @@
package de.hdm_stuttgart.mi.sda1.sql2catalog.model;
+import javax.persistence.Column;
import javax.persistence.Embeddable;
// Class not strictly required but allows for relational table's
@@ -14,7 +15,7 @@ public class Description {
public Description(final String description) {
setDescription(description);
}
-
+ @Column(name="text")
String description;
public String getDescription() {
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/resources/META-INF/persistence.xml b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/resources/META-INF/persistence.xml
index 7d12655f6..964be2ed9 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/resources/META-INF/persistence.xml
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/resources/META-INF/persistence.xml
@@ -1,52 +1,60 @@
-<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
+<persistence
+ version="2.1"
+ xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
- http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
- version="2.1">
+ xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
+ http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
- <persistence-unit name="drop-create" transaction-type="RESOURCE_LOCAL">
+ <persistence-unit name = "strategy_drop-and-create">
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties>
- <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
- <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
- <property name="javax.persistence.jdbc.user" value="hdmuser"/>
- <property name="javax.persistence.jdbc.password" value="XYZ"/>
+ <!--
+ JDBC database connection parameter
+ -->
+
+ <property name = "javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
+ <property name = "javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
+ <property name = "javax.persistence.jdbc.user" value="hdmuser"/>
+ <property name = "javax.persistence.jdbc.password" value="XYZ"/>
<property
- name="javax.persistence.schema-generation.database.action"
+ name = "javax.persistence.schema-generation.database.action"
value="drop-and-create"/>
- <property name="hibernate.format_sql" value="true"/>
- <property name="hibernate.use_sql_comments" value="true"/>
+ <property name = "hibernate.show_sql" value = "true" />
+ <property name = "hibernate.format_sql" value="true"/>
+ <property name = "hibernate.use_sql_comments" value="true"/>
- <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
+ <property name = "hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
- <property name="hibernate.archive.autodetection" value="class"/>
+ <property name = "hibernate.archive.autodetection" value="class"/>
</properties>
</persistence-unit>
- <persistence-unit name="update" transaction-type="RESOURCE_LOCAL">
+ <persistence-unit name = "strategy_none">
+
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties>
- <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
- <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
- <property name="javax.persistence.jdbc.user" value="hdmuser"/>
- <property name="javax.persistence.jdbc.password" value="XYZ"/>
+ <property name = "javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
+ <property name = "javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
+ <property name = "javax.persistence.jdbc.user" value="hdmuser"/>
+ <property name = "javax.persistence.jdbc.password" value="XYZ"/>
<property
- name="javax.persistence.schema-generation.database.action"
- value="update"/>
+ name = "javax.persistence.schema-generation.database.action"
+ value="none"/>
- <property name="hibernate.format_sql" value="true"/>
- <property name="hibernate.use_sql_comments" value="true"/>
+ <property name = "hibernate.show_sql" value = "true" />
+ <property name = "hibernate.format_sql" value="true"/>
+ <property name = "hibernate.use_sql_comments" value="true"/>
- <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
+ <property name = "hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
- <property name="hibernate.archive.autodetection" value="class"/>
+ <property name = "hibernate.archive.autodetection" value="class"/>
</properties>
</persistence-unit>
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/src/test/java/rdbms2catalog/TestSchema.java b/P/Sda1/Jpa/rdbms2catalog/solution/src/test/java/rdbms2catalog/TestSchema.java
index 5be0bba7e..917598381 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/src/test/java/rdbms2catalog/TestSchema.java
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/src/test/java/rdbms2catalog/TestSchema.java
@@ -15,7 +15,7 @@ public class TestSchema {
static final EntityManager em;
static {
- final EntityManagerFactory emFactory = Persistence.createEntityManagerFactory("drop-create");
+ final EntityManagerFactory emFactory = Persistence.createEntityManagerFactory("strategy_drop-and-create");
em = emFactory.createEntityManager();
}
@@ -26,18 +26,20 @@ public class TestSchema {
transaction.begin();
final Product monkeyPickedTea = new Product(1, "Monkey Picked Tea", null);
- monkeyPickedTea.getDescriptions().add(new Description("Picked by specially trained monkeys"));
- monkeyPickedTea.getDescriptions().add(new Description("Rare wild Chinese tea"));
+ monkeyPickedTea.getDescriptions().add(new Description("Picked by specially trained monkeys."));
+ monkeyPickedTea.getDescriptions().add(new Description("Rare wild Chinese tea."));
final Product instantTent = new Product(2, "4-Person Instant Tent", 15);
instantTent.getDescriptions().add(new Description("Exclusive WeatherTec system."));
- instantTent.getDescriptions().add(new Description("4-person, 1-compartment tent"));
- instantTent.getDescriptions().add(new Description("Pre-attached tent poles"));
+ instantTent.getDescriptions().add(new Description("4-person, 1-compartment tent."));
+ instantTent.getDescriptions().add(new Description("Pre-attached tent poles."));
em.persist(monkeyPickedTea);
em.persist(instantTent);
transaction.commit();
+ em.close();
+ em.getEntityManagerFactory().close();
}
}
}
\ No newline at end of file
--
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