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/*
* Copyright (C) 2013, 2014 Brett Wooldridge
*
* 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.zaxxer.hikari.pool;
import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;
import com.zaxxer.hikari.HikariPoolMXBean;
import org.junit.Test;
import javax.management.JMX;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import java.lang.management.ManagementFactory;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.concurrent.TimeUnit;
import static com.zaxxer.hikari.pool.TestElf.newHikariConfig;
import static org.junit.Assert.assertEquals;
public class TestMBean
{
@Test
public void testMBeanRegistration() throws SQLException {
HikariConfig config = newHikariConfig();
config.setMinimumIdle(0);
config.setMaximumPoolSize(1);
config.setRegisterMbeans(true);
config.setConnectionTimeout(2800);
config.setConnectionTestQuery("VALUES 1");
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
try (HikariDataSource ds = new HikariDataSource(config)) {
// Close immediately
}
}
@Test
public void testMBeanReporting() throws SQLException, InterruptedException, MalformedObjectNameException {
HikariConfig config = newHikariConfig();
config.setMinimumIdle(3);
config.setMaximumPoolSize(5);
config.setRegisterMbeans(true);
config.setConnectionTimeout(2800);
config.setConnectionTestQuery("VALUES 1");
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
System.setProperty("com.zaxxer.hikari.housekeeping.periodMs", "100");
try (HikariDataSource ds = new HikariDataSource(config)) {
ds.setIdleTimeout(3000);
TimeUnit.SECONDS.sleep(1);
MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
ObjectName poolName = new ObjectName("com.zaxxer.hikari:type=Pool (testMBeanReporting)");
HikariPoolMXBean hikariPoolMXBean = JMX.newMXBeanProxy(mBeanServer, poolName, HikariPoolMXBean.class);
assertEquals(0, hikariPoolMXBean.getActiveConnections());
assertEquals(3, hikariPoolMXBean.getIdleConnections());
try (Connection connection = ds.getConnection()) {
assertEquals(1, hikariPoolMXBean.getActiveConnections());
TimeUnit.SECONDS.sleep(1);
assertEquals(3, hikariPoolMXBean.getIdleConnections());
assertEquals(4, hikariPoolMXBean.getTotalConnections());
}
TimeUnit.SECONDS.sleep(2);
assertEquals(0, hikariPoolMXBean.getActiveConnections());
assertEquals(3, hikariPoolMXBean.getIdleConnections());
assertEquals(3, hikariPoolMXBean.getTotalConnections());
}
finally {
System.clearProperty("com.zaxxer.hikari.housekeeping.periodMs");
}
}
}
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