Add option to provide a custom JobKeyGenerator in JdbcJobInstanceDao

Resolves #3926

spring-batch-core/src/test/resources/org/springframework/batch/core/repository/dao/sql-dao-custom-key-generator-test.xml

@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	   xmlns:jdbc="http://www.springframework.org/schema/jdbc"
+	   xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc.xsd">
+
+	<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
+		<property name="driverClassName" value="org.hsqldb.jdbcDriver" />
+		<property name="url" value="jdbc:hsqldb:mem:test;sql.enforce_strict_size=true;hsqldb.tx=mvcc" />
+		<property name="username" value="sa" />
+		<property name="password" value="" />
+	</bean>
+
+	<jdbc:initialize-database>
+		<jdbc:script location="org/springframework/batch/core/schema-drop-hsqldb.sql"/>
+		<jdbc:script location="org/springframework/batch/core/schema-hsqldb.sql"/>
+	</jdbc:initialize-database>
+
+	<bean id="transactionManager" class="org.springframework.jdbc.support.JdbcTransactionManager">
+		<property name="dataSource" ref="dataSource" />
+	</bean>
+
+	<bean id="jobRepository" class="org.springframework.batch.core.repository.support.SimpleJobRepository">
+		<constructor-arg ref="jobInstanceDao" />
+		<constructor-arg ref="jobExecutionDao" />
+		<constructor-arg ref="stepExecutionDao" />
+		<constructor-arg ref="executionContextDao" />
+	</bean>
+
+	<bean id="executionContextDao" class="org.springframework.batch.core.repository.dao.JdbcExecutionContextDao">
+		<property name="jdbcTemplate" ref="jdbcTemplate" />
+		<property name="serializer" ref="serializer"/>
+	</bean>
+
+	<bean id="jobInstanceDao" class="org.springframework.batch.core.repository.dao.JdbcJobInstanceDao">
+		<property name="jdbcTemplate" ref="jdbcTemplate" />
+		<property name="jobInstanceIncrementer" ref="jobInstanceIncrementer" />
+		<property name="jobKeyGenerator" ref="jobKeyGenerator" />
+	</bean>
+
+	<bean id="jobKeyGenerator" class="org.springframework.batch.core.repository.dao.CustomJobKeyGenerator" />
+
+	<bean id="jobExecutionDao" class="org.springframework.batch.core.repository.dao.JdbcJobExecutionDao">
+		<property name="jdbcTemplate" ref="jdbcTemplate" />
+		<property name="jobExecutionIncrementer" ref="jobExecutionIncrementer" />
+	</bean>
+
+	<bean id="stepExecutionDao" class="org.springframework.batch.core.repository.dao.JdbcStepExecutionDao">
+		<property name="jdbcTemplate" ref="jdbcTemplate" />
+		<property name="stepExecutionIncrementer" ref="stepExecutionIncrementer" />
+	</bean>
+
+	<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
+		<constructor-arg ref="dataSource" />
+	</bean>
+
+	<bean id="serializer" class="org.springframework.batch.core.repository.dao.DefaultExecutionContextSerializer"/>
+
+	<bean id="jobInstanceIncrementer" class="org.springframework.jdbc.support.incrementer.HsqlMaxValueIncrementer">
+		<constructor-arg name="dataSource" ref="dataSource"/>
+		<constructor-arg name="incrementerName" value="BATCH_JOB_SEQ"/>
+		<constructor-arg name="columnName" value="ID"/>
+	</bean>
+
+	<bean id="jobExecutionIncrementer" class="org.springframework.jdbc.support.incrementer.HsqlMaxValueIncrementer">
+		<constructor-arg name="dataSource" ref="dataSource"/>
+		<constructor-arg name="incrementerName" value="BATCH_JOB_EXECUTION_SEQ"/>
+		<constructor-arg name="columnName" value="ID"/>
+	</bean>
+
+	<bean id="stepExecutionIncrementer" class="org.springframework.jdbc.support.incrementer.HsqlMaxValueIncrementer">
+		<constructor-arg name="dataSource" ref="dataSource"/>
+		<constructor-arg name="incrementerName" value="BATCH_STEP_EXECUTION_SEQ"/>
+		<constructor-arg name="columnName" value="ID"/>
+	</bean>
+</beans>