org.zbus.pool.impl.CommonsPool2.java Source code

Introduction

Here is the source code for org.zbus.pool.impl.CommonsPool2.java

Source

/**
 * The MIT License (MIT)
 * Copyright (c) 2009-2015 HONG LEIMING
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.zbus.pool.impl;

import org.apache.commons.pool2.BasePooledObjectFactory;
import org.apache.commons.pool2.PooledObject;
import org.apache.commons.pool2.impl.DefaultPooledObject;
import org.apache.commons.pool2.impl.GenericObjectPool;
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import org.zbus.pool.ObjectFactory;
import org.zbus.pool.Pool;
import org.zbus.pool.PoolConfig;

public class CommonsPool2<T> extends Pool<T> {
    private GenericObjectPool<T> support;

    public CommonsPool2(ObjectFactory<T> supportFactory, PoolConfig config) {
        Commons2PoolFactory factory = new Commons2PoolFactory(supportFactory);
        GenericObjectPoolConfig poolConfig = null;
        if (config.getSupport() instanceof GenericObjectPoolConfig) {
            poolConfig = (GenericObjectPoolConfig) config.getSupport();
        } else {
            poolConfig = new GenericObjectPoolConfig();
            poolConfig.setMaxTotal(config.getMaxTotal());
            poolConfig.setMaxIdle(config.getMaxIdle());
            poolConfig.setMinIdle(config.getMinIdle());
            poolConfig.setMinEvictableIdleTimeMillis(config.getMinEvictableIdleTimeMillis());
        }

        this.support = new GenericObjectPool<T>(factory, poolConfig);
    }

    @Override
    public T borrowObject() throws Exception {
        return support.borrowObject();
    }

    @Override
    public void returnObject(T obj) {
        support.returnObject(obj);
    }

    @Override
    public void close() {
        support.close();
    }

    private class Commons2PoolFactory extends BasePooledObjectFactory<T> {
        ObjectFactory<T> support;

        public Commons2PoolFactory(ObjectFactory<T> support) {
            this.support = support;
        }

        @Override
        public T create() throws Exception {
            return support.createObject();
        }

        @Override
        public PooledObject<T> wrap(T obj) {
            return new DefaultPooledObject<T>(obj);
        }

        @Override
        public void destroyObject(PooledObject<T> p) throws Exception {
            T obj = p.getObject();
            support.destroyObject(obj);
        }

        @Override
        public boolean validateObject(PooledObject<T> p) {
            return support.validateObject(p.getObject());
        }
    }
}