Spring Framework example source code file (BatchSqlUpdateTests.java)

This example Spring Framework source code file (BatchSqlUpdateTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

abstractjdbctests, batchsqlupdate, batchsqlupdate, databasemetadata, date_dispatched, exception, exception, integer, integer, jdbc, mockcontrol, preparedstatement, preparedstatement, sql, update, where

The Spring Framework BatchSqlUpdateTests.java source code

/*
 * Copyright 2002-2005 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. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package org.springframework.jdbc.object;

import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.Types;

import org.easymock.MockControl;

import org.springframework.jdbc.AbstractJdbcTests;
import org.springframework.jdbc.core.SqlParameter;

/**
 * @author Juergen Hoeller
 * @since 22.02.2005
 */
public class BatchSqlUpdateTests extends AbstractJdbcTests {

	public void testBatchUpdateWithExplicitFlush() throws Exception {
		doTestBatchUpdate(false);
	}

	public void testBatchUpdateWithFlushThroughBatchSize() throws Exception {
		doTestBatchUpdate(true);
	}

	private void doTestBatchUpdate(boolean flushThroughBatchSize) throws Exception {
		final String sql = "UPDATE NOSUCHTABLE SET DATE_DISPATCHED = SYSDATE WHERE ID = ?";
		final int[] ids = new int[] { 100, 200 };
		final int[] rowsAffected = new int[] { 1, 2 };

		MockControl ctrlPreparedStatement = MockControl.createControl(PreparedStatement.class);
		PreparedStatement mockPreparedStatement = (PreparedStatement) ctrlPreparedStatement.getMock();
		mockPreparedStatement.getConnection();
		ctrlPreparedStatement.setReturnValue(mockConnection);
		mockPreparedStatement.setObject(1, new Integer(ids[0]), Types.INTEGER);
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.addBatch();
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.setObject(1, new Integer(ids[1]), Types.INTEGER);
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.addBatch();
		ctrlPreparedStatement.setVoidCallable();
		mockPreparedStatement.executeBatch();
		ctrlPreparedStatement.setReturnValue(rowsAffected);
		mockPreparedStatement.getWarnings();
		ctrlPreparedStatement.setReturnValue(null);
		mockPreparedStatement.close();
		ctrlPreparedStatement.setVoidCallable();

		MockControl ctrlDatabaseMetaData = MockControl.createControl(DatabaseMetaData.class);
		DatabaseMetaData mockDatabaseMetaData = (DatabaseMetaData) ctrlDatabaseMetaData.getMock();
		mockDatabaseMetaData.supportsBatchUpdates();
		ctrlDatabaseMetaData.setReturnValue(true);

		mockConnection.prepareStatement(sql);
		ctrlConnection.setReturnValue(mockPreparedStatement);
		mockConnection.getMetaData();
		ctrlConnection.setReturnValue(mockDatabaseMetaData, 1);

		ctrlPreparedStatement.replay();
		ctrlDatabaseMetaData.replay();
		replay();

		BatchSqlUpdate update = new BatchSqlUpdate(mockDataSource, sql);
		update.declareParameter(new SqlParameter(Types.INTEGER));
		if (flushThroughBatchSize) {
			update.setBatchSize(2);
		}

		update.update(ids[0]);
		update.update(ids[1]);

		if (flushThroughBatchSize) {
			assertEquals(0, update.getQueueCount());
			assertEquals(2, update.getRowsAffected().length);
		}
		else {
			assertEquals(2, update.getQueueCount());
			assertEquals(0, update.getRowsAffected().length);
		}

		int[] actualRowsAffected = update.flush();
		assertEquals(0, update.getQueueCount());

		if (flushThroughBatchSize) {
			assertTrue("flush did not execute updates", actualRowsAffected.length == 0);
		}
		else {
			assertTrue("executed 2 updates", actualRowsAffected.length == 2);
			assertEquals(rowsAffected[0], actualRowsAffected[0]);
			assertEquals(rowsAffected[1], actualRowsAffected[1]);
		}

		actualRowsAffected = update.getRowsAffected();
		assertTrue("executed 2 updates", actualRowsAffected.length == 2);
		assertEquals(rowsAffected[0], actualRowsAffected[0]);
		assertEquals(rowsAffected[1], actualRowsAffected[1]);

		update.reset();
		assertEquals(0, update.getRowsAffected().length);

		ctrlPreparedStatement.verify();
		ctrlDatabaseMetaData.verify();
	}

}