/*
* Copyright 1999-2011 Alibaba Group Holding Ltd.
*
* 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 com.alibaba.druid.bvt.pool;
import org.junit.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.pool.DruidConnectionHolder;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidPooledConnection;
import com.alibaba.druid.pool.DruidPooledPreparedStatement;
import com.alibaba.druid.pool.DruidPooledResultSet;
import com.alibaba.druid.pool.PreparedStatementHolder;
import com.alibaba.druid.pool.PreparedStatementPool;
import com.alibaba.druid.util.JdbcUtils;
public class PSCacheTest4 extends TestCase {
private DruidDataSource dataSource;
protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:x1");
dataSource.setPoolPreparedStatements(true);
dataSource.setMaxOpenPreparedStatements(50);
dataSource.setFilters("log4j");
}
protected void tearDown() throws Exception {
JdbcUtils.close(dataSource);
}
public void test_pscache() throws Exception {
DruidPooledConnection conn = dataSource.getConnection();
DruidConnectionHolder holder = conn.getConnectionHolder();
PreparedStatementPool stmtPool = holder.getStatementPool();
final String sql_0 = "select 0";
final String sql_1 = "select 1";
Assert.assertEquals(0, stmtPool.size());
PreparedStatementHolder stmtHoler_0;
PreparedStatementHolder stmtHoler_1_A;
PreparedStatementHolder stmtHoler_1_B;
PreparedStatementHolder stmtHoler_1_C;
DruidPooledPreparedStatement stmt_0;
DruidPooledPreparedStatement stmt_1_A;
DruidPooledPreparedStatement stmt_1_B;
DruidPooledPreparedStatement stmt_1_C;
DruidPooledPreparedStatement stmt_1_D;
DruidPooledPreparedStatement stmt_1_E;
DruidPooledPreparedStatement stmt_1_F;
DruidPooledPreparedStatement stmt_1_G;
DruidPooledPreparedStatement stmt_1_H;
DruidPooledResultSet rs_0;
DruidPooledResultSet rs_1_A;
DruidPooledResultSet rs_1_B;
DruidPooledResultSet rs_1_C;
DruidPooledResultSet rs_1_D;
DruidPooledResultSet rs_1_E;
DruidPooledResultSet rs_1_F;
DruidPooledResultSet rs_1_G;
DruidPooledResultSet rs_1_H;
stmt_0 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_0);
rs_0 = (DruidPooledResultSet) stmt_0.executeQuery();
Assert.assertTrue(stmt_0.getPreparedStatementHolder().isInUse());
stmt_1_A = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
rs_1_A = (DruidPooledResultSet) stmt_1_A.executeQuery();
Assert.assertTrue(stmt_0.getPreparedStatementHolder().isInUse());
Assert.assertTrue(stmt_1_A.getPreparedStatementHolder().isInUse());
stmt_1_B = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
rs_1_B = (DruidPooledResultSet) stmt_1_B.executeQuery();
rs_1_B.close();
stmt_1_B.close();
Assert.assertTrue(stmt_0.getPreparedStatementHolder().isInUse());
Assert.assertTrue(stmt_1_A.getPreparedStatementHolder().isInUse());
Assert.assertFalse(stmt_1_B.getPreparedStatementHolder().isInUse());
stmt_1_C = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
rs_1_C = (DruidPooledResultSet) stmt_1_C.executeQuery();
rs_1_C.close();
stmt_1_C.close();
Assert.assertTrue(stmt_0.getPreparedStatementHolder().isInUse());
Assert.assertTrue(stmt_1_A.getPreparedStatementHolder().isInUse());
Assert.assertFalse(stmt_1_B.getPreparedStatementHolder().isInUse());
Assert.assertFalse(stmt_1_C.getPreparedStatementHolder().isInUse());
stmt_1_D = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
rs_1_D = (DruidPooledResultSet) stmt_1_D.executeQuery();
rs_1_D.close();
stmt_1_D.close();
Assert.assertTrue(stmt_0.getPreparedStatementHolder().isInUse());
Assert.assertTrue(stmt_1_A.getPreparedStatementHolder().isInUse());
Assert.assertFalse(stmt_1_B.getPreparedStatementHolder().isInUse());
Assert.assertFalse(stmt_1_C.getPreparedStatementHolder().isInUse());
Assert.assertFalse(stmt_1_D.getPreparedStatementHolder().isInUse());
stmt_1_E = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
rs_1_E = (DruidPooledResultSet) stmt_1_E.executeQuery();
rs_1_E.close();
stmt_1_E.close();
rs_1_A.close();
stmt_1_A.close();
stmt_1_F = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
rs_1_F = (DruidPooledResultSet) stmt_1_F.executeQuery();
rs_1_F.close();
stmt_1_F.close();
stmt_1_G = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
rs_1_G = (DruidPooledResultSet) stmt_1_G.executeQuery();
stmt_1_H = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
rs_1_H = (DruidPooledResultSet) stmt_1_H.executeQuery();
rs_1_H.close();
stmt_1_H.close();
rs_1_G.close();
stmt_1_G.close();
conn.close();
}
}