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/*
 * Copyright 2015 NAVER Corp.
 *
 * 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.navercorp.redis.cluster;

import org.apache.commons.pool2.impl.GenericObjectPool;
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import org.apache.commons.pool2.PooledObjectFactory;

import redis.clients.jedis.exceptions.JedisConnectionException;
import redis.clients.jedis.exceptions.JedisException;

public abstract class Pool {
    final GenericObjectPool internalPool;

    public Pool(final GenericObjectPoolConfig poolConfig, PooledObjectFactory factory) {
        this.internalPool = new GenericObjectPool(factory, poolConfig);
    }

    public T getResource() {
        try {
            return internalPool.borrowObject();
        } catch (Exception e) {
            throw new JedisConnectionException("Could not get a resource from the pool", e);
        }
    }

    public void returnResourceObject(final T resource) {
        try {
            internalPool.returnObject(resource);
        } catch (Exception e) {
            throw new JedisException("Could not return the resource to the pool", e);
        }
    }

    public void returnBrokenResource(final T resource) {
        returnBrokenResourceObject(resource);
    }

    public void returnResource(final T resource) {
        returnResourceObject(resource);
    }

    protected void returnBrokenResourceObject(final T resource) {
        try {
            internalPool.invalidateObject(resource);
        } catch (Exception e) {
            throw new JedisException("Could not return the resource to the pool", e);
        }
    }

    public void destroy() {
        try {
            internalPool.close();
        } catch (Exception e) {
            throw new JedisException("Could not destroy the pool", e);
        }
    }
}