「Hibernate notes」の編集履歴（バックアップ）一覧はこちら
「Hibernate notes」(2006/03/20 (月) 10:49:11) の最新版変更点
追加された行は緑色になります。
削除された行は赤色になります。
* Hibernate intro notes
** Create POJO class
package hello;
public class Message {
private Long id;
private String text;
private Message nextMessage;
private Message() {}
public Message(String text) {
this.text = text;
}
public Long getId() {
return id;
}
private void setId(Long id) {
this.id = id;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
public Message getNextMessage() {
return nextMessage;
}
public void setNextMessage(Message nextMessage) {
this.nextMessage = nextMessage;
}
}
** Simple Hibernate operations
package hello;
import java.util.*;
//import org.hibernate.classic.*;
import org.hibernate.classic.Session;
import org.hibernate.cfg.*;
import org.hibernate.Transaction;
import org.hibernate.SessionFactory;
public class main {
public static void main(String[] args) {
Configuration cfg = new Configuration();
cfg.setProperties(System.getProperties());
cfg.configure();
// cfg.addResource("hello/Message.hbm.xml");
// cfg.setProperty("hibernate.dialect", "org.hibernate.dialect.MySQLDialect");
SessionFactory sessions = cfg.buildSessionFactory();
//Session session = getSessionFactory().openSession();
Session session = sessions.openSession();
Transaction tx = session.beginTransaction();
Message message = new Message("Hello World");
session.save(message);
//---
message = (Message)session.load(Message.class, new Long(1));
message.setText("Greetings Earthling");
Message nextMessage = new Message("Take me to your leader (please)");
message.setNextMessage(nextMessage);
//---
tx.commit();
session.close();
// Session newSession = getSessionFactory().openSession();
Session newSession = sessions.openSession();
Transaction newTransaction = newSession.beginTransaction();
List messages = newSession.find("from Message as m order by m.text asc");
// List messages = newSession.createQuery("from Message as m order by m.text asc").list();
System.out.println(messages.size() + " message(s) found:");
for (Iterator iter = messages.iterator(); iter.hasNext(); ) {
message = (Message)iter.next();
System.out.println(message.getText());
}
newTransaction.commit();
newSession.close();
}
}
** Top level configuration files in unmanaged environment
Properties can be specified in hibernate.properties or hibernate.cfg.xml.
The latter has higher precedence.
hibernate.properties:
hibernate.connection.driver_class com.mysql.jdbc.Driver
hibernate.connection.url jdbc:mysql://localhost/sampledbname
hibernate.connection.username user
hibernate.connection.password password
hibernate.dialect org.hibernate.dialect.MySQLDialect
# hibernate.c3p0.min_size 5
# hibernate.c3p0.max_size 20
# hibernate.c3p0.timeout 300
# hibernate.c3p0.max_statements 50
# hibernate.c3p0.idle_test_period 3000
hibernate.connection.pool_size 1
hibernate.c3p0.max_size 2
hibernate.c3p0.min_size 2
hibernate.c3p0.timeout 5000
hibernate.c3p0.max_statements 100
hibernate.c3p0.idle_test_period 3000
hibernate.c3p0.acquire_increment 2
hibernate.c3p0.validate false
hibernate.cfg.xml
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="show_sql">true</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost/sampledb</property>
<property name="connection.username">user</property>
<property name="connection.password">password</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="connection.pool_size">1</property>
<property name="current_session_context_class">thread</property>
<property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
<property name="c3p0.min_size">5</property>
<property name="c3p0.max_size">20</property>
<property name="c3p0.timeout">300</property>
<property name="c3p0.max_statements">50</property>
<property name="c3p0.idle_test_period">300</property>
<property name="hbm2ddl.auto">create</property>
<mapping resource="hello/Message.hbm.xml"/>
</session-factory>
<!--
<session-factory name="foo">
<property name="show_sql">true</property>
<mapping resource="org/hibernate/test/legacy/Simple.hbm.xml"/>
<class-cache
class="org.hibernate.test.legacy.Simple"
region="Simple"
usage="read-write"/>
</session-factory>
-->
</hibernate-configuration>
** Config file for persistent class
hello/Message.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class
name="hello.Message"
table="MESSAGES">
<id
name="id"
column="MESSAGE_ID">
<generator class="increment"/>
</id>
<property
name="text"
column="MESSAGE_TEXT"/>
<many-to-one
name="nextMessage"
cascade="all"
column="NEXT_MESSAGE_ID"/>
</class>
</hibernate-mapping>
** log4j.properties
### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### root logger option ###
log4j.rootLogger=warn, stdout
### Hibernate logging options ###
log4j.logger.org.hibernate=warn
** build.xml
<project name="hibernate_hello" default="compile" basedir=".">
<description>
Hibernate hello world
</description>
<property name="src" location="."/>
<property name="build" location="."/>
<property name="hibernate.jar" location="c:/usr/local/hibernate-3.1/hibernate3.jar"/>
<property name="mysqljdbc.jar" location="c:/usr/local/mysql-connector-java-3.1.12/mysql-connector-java-3.1.12-bin.jar"/>
<property name="dom4j.jar" location="c:/usr/local/lib/dom4j-1.6.1.jar"/>
<property name="commons-logging.jar" location="c:/usr/local/lib/commons-logging.jar"/>
<property name="commons-collections.jar" location="c:/usr/local/lib/commons-collections-3.1.jar"/>
<property name="log4j.jar" location="c:/usr/local/lib/log4j-1.2.9.jar"/>
<property name="hibernate.lib" location="c:/usr/local/hibernate-3.1"/>
<target name="compile">
<javac srcdir="${src}" destdir="${build}"
classpath="${hibernate.jar}"
debug="true" >
</javac>
</target>
<target name="run" depends="compile">
<java classname="hello.main" fork="true">
<classpath>
<pathelement location="./"/>
<pathelement location="${hibernate.jar}"/>
<pathelement location="${mysqljdbc.jar}"/>
<pathelement location="${dom4j.jar}"/>
<pathelement location="${commons-logging.jar}"/>
<pathelement location="${commons-collections.jar}"/>
<pathelement location="${log4j.jar}"/>
<pathelement location="c:/home/toshima/hibernate"/>
<fileset dir="${hibernate.lib}">
<include name="**/*.jar"/>
</fileset>
</classpath>
</java>
</target>
</project>
* Hibernate intro notes
** Create POJO class
package hello;
public class Message {
private Long id;
private String text;
private Message nextMessage;
private Message() {}
public Message(String text) {
this.text = text;
}
public Long getId() {
return id;
}
private void setId(Long id) {
this.id = id;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
public Message getNextMessage() {
return nextMessage;
}
public void setNextMessage(Message nextMessage) {
this.nextMessage = nextMessage;
}
}
** Simple Hibernate operations
package hello;
import java.util.*;
//import org.hibernate.classic.*;
import org.hibernate.classic.Session;
import org.hibernate.cfg.*;
import org.hibernate.Transaction;
import org.hibernate.SessionFactory;
public class main {
public static void main(String[] args) {
Configuration cfg = new Configuration();
cfg.setProperties(System.getProperties());
cfg.configure();
// cfg.addResource("hello/Message.hbm.xml");
// cfg.setProperty("hibernate.dialect", "org.hibernate.dialect.MySQLDialect");
SessionFactory sessions = cfg.buildSessionFactory();
//Session session = getSessionFactory().openSession();
Session session = sessions.openSession();
Transaction tx = session.beginTransaction();
Message message = new Message("Hello World");
session.save(message);
//---
message = (Message)session.load(Message.class, new Long(1));
message.setText("Greetings Earthling");
Message nextMessage = new Message("Take me to your leader (please)");
message.setNextMessage(nextMessage);
//---
tx.commit();
session.close();
// Session newSession = getSessionFactory().openSession();
Session newSession = sessions.openSession();
Transaction newTransaction = newSession.beginTransaction();
List messages = newSession.find("from Message as m order by m.text asc");
// List messages = newSession.createQuery("from Message as m order by m.text asc").list();
System.out.println(messages.size() + " message(s) found:");
for (Iterator iter = messages.iterator(); iter.hasNext(); ) {
message = (Message)iter.next();
System.out.println(message.getText());
}
newTransaction.commit();
newSession.close();
}
}
** Top level configuration files in unmanaged environment
Properties can be specified in hibernate.properties or hibernate.cfg.xml.
The latter has higher precedence.
hibernate.properties:
hibernate.connection.driver_class com.mysql.jdbc.Driver
hibernate.connection.url jdbc:mysql://localhost/sampledbname
hibernate.connection.username user
hibernate.connection.password password
hibernate.dialect org.hibernate.dialect.MySQLDialect
# hibernate.c3p0.min_size 5
# hibernate.c3p0.max_size 20
# hibernate.c3p0.timeout 300
# hibernate.c3p0.max_statements 50
# hibernate.c3p0.idle_test_period 3000
hibernate.connection.pool_size 1
hibernate.c3p0.max_size 2
hibernate.c3p0.min_size 2
hibernate.c3p0.timeout 5000
hibernate.c3p0.max_statements 100
hibernate.c3p0.idle_test_period 3000
hibernate.c3p0.acquire_increment 2
hibernate.c3p0.validate false
hibernate.cfg.xml
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="show_sql">true</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost/sampledb</property>
<property name="connection.username">user</property>
<property name="connection.password">password</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="connection.pool_size">1</property>
<property name="current_session_context_class">thread</property>
<property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
<property name="c3p0.min_size">5</property>
<property name="c3p0.max_size">20</property>
<property name="c3p0.timeout">300</property>
<property name="c3p0.max_statements">50</property>
<property name="c3p0.idle_test_period">300</property>
<property name="hbm2ddl.auto">create</property>
<mapping resource="hello/Message.hbm.xml"/>
</session-factory>
<!--
<session-factory name="foo">
<property name="show_sql">true</property>
<mapping resource="org/hibernate/test/legacy/Simple.hbm.xml"/>
<class-cache
class="org.hibernate.test.legacy.Simple"
region="Simple"
usage="read-write"/>
</session-factory>
-->
</hibernate-configuration>
** Config file for persistent class
hello/Message.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class
name="hello.Message"
table="MESSAGES">
<id
name="id"
column="MESSAGE_ID">
<generator class="increment"/>
</id>
<property
name="text"
column="MESSAGE_TEXT"/>
<many-to-one
name="nextMessage"
cascade="all"
column="NEXT_MESSAGE_ID"/>
</class>
</hibernate-mapping>
** log4j.properties
### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### root logger option ###
log4j.rootLogger=warn, stdout
### Hibernate logging options ###
log4j.logger.org.hibernate=warn
** build.xml
<project name="hibernate_hello" default="compile" basedir=".">
<description>
Hibernate hello world
</description>
<property name="src" location="."/>
<property name="build" location="."/>
<property name="hibernate.jar" location="c:/usr/local/hibernate-3.1/hibernate3.jar"/>
<property name="mysqljdbc.jar" location="c:/usr/local/mysql-connector-java-3.1.12/mysql-connector-java-3.1.12-bin.jar"/>
<property name="dom4j.jar" location="c:/usr/local/lib/dom4j-1.6.1.jar"/>
<property name="commons-logging.jar" location="c:/usr/local/lib/commons-logging.jar"/>
<property name="commons-collections.jar" location="c:/usr/local/lib/commons-collections-3.1.jar"/>
<property name="log4j.jar" location="c:/usr/local/lib/log4j-1.2.9.jar"/>
<property name="hibernate.lib" location="c:/usr/local/hibernate-3.1"/>
<target name="compile">
<javac srcdir="${src}" destdir="${build}"
classpath="${hibernate.jar}"
debug="true" >
</javac>
</target>
<target name="run" depends="compile">
<java classname="hello.main" fork="true">
<classpath>
<pathelement location="./"/>
<pathelement location="${hibernate.jar}"/>
<pathelement location="${mysqljdbc.jar}"/>
<pathelement location="${dom4j.jar}"/>
<pathelement location="${commons-logging.jar}"/>
<pathelement location="${commons-collections.jar}"/>
<pathelement location="${log4j.jar}"/>
<pathelement location="c:/home/toshima/hibernate"/>
<fileset dir="${hibernate.lib}">
<include name="**/*.jar"/>
</fileset>
</classpath>
</java>
</target>
</project>
