org.apache.ibatis.datasource.pooled.PoolState Maven / Gradle / Ivy
/**
* Copyright 2009-2015 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.apache.ibatis.datasource.pooled;
import java.util.ArrayList;
import java.util.List;
/**
* @author Clinton Begin
*/
public class PoolState {
protected PooledDataSource dataSource;
protected final List idleConnections = new ArrayList();
protected final List activeConnections = new ArrayList();
protected long requestCount = 0;
protected long accumulatedRequestTime = 0;
protected long accumulatedCheckoutTime = 0;
protected long claimedOverdueConnectionCount = 0;
protected long accumulatedCheckoutTimeOfOverdueConnections = 0;
protected long accumulatedWaitTime = 0;
protected long hadToWaitCount = 0;
protected long badConnectionCount = 0;
public PoolState(PooledDataSource dataSource) {
this.dataSource = dataSource;
}
public synchronized long getRequestCount() {
return requestCount;
}
public synchronized long getAverageRequestTime() {
return requestCount == 0 ? 0 : accumulatedRequestTime / requestCount;
}
public synchronized long getAverageWaitTime() {
return hadToWaitCount == 0 ? 0 : accumulatedWaitTime / hadToWaitCount;
}
public synchronized long getHadToWaitCount() {
return hadToWaitCount;
}
public synchronized long getBadConnectionCount() {
return badConnectionCount;
}
public synchronized long getClaimedOverdueConnectionCount() {
return claimedOverdueConnectionCount;
}
public synchronized long getAverageOverdueCheckoutTime() {
return claimedOverdueConnectionCount == 0 ? 0 : accumulatedCheckoutTimeOfOverdueConnections / claimedOverdueConnectionCount;
}
public synchronized long getAverageCheckoutTime() {
return requestCount == 0 ? 0 : accumulatedCheckoutTime / requestCount;
}
public synchronized int getIdleConnectionCount() {
return idleConnections.size();
}
public synchronized int getActiveConnectionCount() {
return activeConnections.size();
}
@Override
public synchronized String toString() {
StringBuilder builder = new StringBuilder();
builder.append("\n===CONFINGURATION==============================================");
builder.append("\n jdbcDriver ").append(dataSource.getDriver());
builder.append("\n jdbcUrl ").append(dataSource.getUrl());
builder.append("\n jdbcUsername ").append(dataSource.getUsername());
builder.append("\n jdbcPassword ").append((dataSource.getPassword() == null ? "NULL" : "************"));
builder.append("\n poolMaxActiveConnections ").append(dataSource.poolMaximumActiveConnections);
builder.append("\n poolMaxIdleConnections ").append(dataSource.poolMaximumIdleConnections);
builder.append("\n poolMaxCheckoutTime ").append(dataSource.poolMaximumCheckoutTime);
builder.append("\n poolTimeToWait ").append(dataSource.poolTimeToWait);
builder.append("\n poolPingEnabled ").append(dataSource.poolPingEnabled);
builder.append("\n poolPingQuery ").append(dataSource.poolPingQuery);
builder.append("\n poolPingConnectionsNotUsedFor ").append(dataSource.poolPingConnectionsNotUsedFor);
builder.append("\n ---STATUS-----------------------------------------------------");
builder.append("\n activeConnections ").append(getActiveConnectionCount());
builder.append("\n idleConnections ").append(getIdleConnectionCount());
builder.append("\n requestCount ").append(getRequestCount());
builder.append("\n averageRequestTime ").append(getAverageRequestTime());
builder.append("\n averageCheckoutTime ").append(getAverageCheckoutTime());
builder.append("\n claimedOverdue ").append(getClaimedOverdueConnectionCount());
builder.append("\n averageOverdueCheckoutTime ").append(getAverageOverdueCheckoutTime());
builder.append("\n hadToWait ").append(getHadToWaitCount());
builder.append("\n averageWaitTime ").append(getAverageWaitTime());
builder.append("\n badConnectionCount ").append(getBadConnectionCount());
builder.append("\n===============================================================");
return builder.toString();
}
}