BATCH-2175: Added the ability to inject lobType

spring-batch-core/src/main/java/org/springframework/batch/core/repository/support/JobRepositoryFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2007 the original author or authors.
+ * Copyright 2002-2014 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@ package org.springframework.batch.core.repository.support;
 
 import static org.springframework.batch.support.DatabaseType.SYBASE;
 
+import java.lang.reflect.Field;
 import java.sql.Types;
 
 import javax.sql.DataSource;
@@ -78,6 +79,15 @@ public class JobRepositoryFactoryBean extends AbstractJobRepositoryFactoryBean i
 
 	private ExecutionContextSerializer serializer;
 
+	private Integer lobType;
+
+	/**
+	 * @param type a value from the {@link java.sql.Types} class to indicate the type to use for a CLOB
+	 */
+	public void setClobType(int type) {
+		this.lobType = type;
+	}
+
 	/**
 	 * A custom implementation of the {@link ExecutionContextSerializer}.
 	 * The default, if not injected, is the {@link XStreamExecutionContextStringSerializer}.
@@ -178,6 +188,10 @@ public class JobRepositoryFactoryBean extends AbstractJobRepositoryFactoryBean i
 				+ "' is an unsupported database type.  The supported database types are "
 				+ StringUtils.arrayToCommaDelimitedString(incrementerFactory.getSupportedIncrementerTypes()));
 
+		if(lobType != null) {
+			Assert.isTrue(isValidTypes(lobType), "lobType must be a value from the java.sql.Types class");
+		}
+
 		super.afterPropertiesSet();
 	}
 
@@ -235,13 +249,31 @@ public class JobRepositoryFactoryBean extends AbstractJobRepositoryFactoryBean i
 		return dao;
 	}
 
-	private int determineClobTypeToUse(String databaseType) {
-		if (SYBASE == DatabaseType.valueOf(databaseType.toUpperCase())) {
-			return Types.LONGVARCHAR;
-		}
-		else {
-			return Types.CLOB;
+	private int determineClobTypeToUse(String databaseType) throws Exception {
+		if(lobType != null) {
+			return lobType;
+		} else {
+			if (SYBASE == DatabaseType.valueOf(databaseType.toUpperCase())) {
+				return Types.LONGVARCHAR;
+			}
+			else {
+				return Types.CLOB;
+			}
 		}
 	}
 
+	private boolean isValidTypes(int value) throws Exception {
+		boolean result = false;
+
+		for (Field field : Types.class.getFields()) {
+			int curValue = field.getInt(null);
+			if(curValue == value) {
+				result = true;
+				break;
+			}
+		}
+
+		return result;
+	}
+
 }

spring-batch-core/src/test/java/org/springframework/batch/core/repository/support/JobRepositoryFactoryBeanTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2013 the original author or authors.
+ * Copyright 2006-2014 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +16,7 @@
 package org.springframework.batch.core.repository.support;
 
 import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertNotNull;
 import static junit.framework.Assert.assertTrue;
 import static junit.framework.Assert.fail;
 import static org.mockito.Mockito.mock;
@@ -23,6 +24,7 @@ import static org.mockito.Mockito.when;
 
 import java.sql.Connection;
 import java.sql.DatabaseMetaData;
+import java.sql.Types;
 import java.util.Map;
 
 import javax.sql.DataSource;
@@ -241,7 +243,7 @@ public class JobRepositoryFactoryBeanTests {
 		factory.getObject();
 	}
 
-	@Ignore //TODO - fix this test
+	@Ignore
 	@Test
 	public void testTransactionAttributesForCreateMethodNullHypothesis() throws Exception {
 		testCreateRepository();
@@ -309,7 +311,20 @@ public class JobRepositoryFactoryBeanTests {
 			// expected exception from DataSourceUtils
 			assertEquals("No Statement specified", e.getMessage());
 		}
+	}
 
+	@Test(expected=IllegalArgumentException.class)
+	public void testInvalidCustomLobType() throws Exception {
+		factory.setClobType(Integer.MAX_VALUE);
+		testCreateRepository();
+	}
+
+	@Test
+	public void testCustomLobType() throws Exception {
+		factory.setClobType(Types.ARRAY);
+		testCreateRepository();
+		JobRepository repository = (JobRepository) factory.getObject();
+		assertNotNull(repository);
 	}
 
 	private static class StubIncrementer implements DataFieldMaxValueIncrementer {