com.kurento.kmf.thrift.pool.MediaServerAsyncClientFactory.java Source code

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Here is the source code for com.kurento.kmf.thrift.pool.MediaServerAsyncClientFactory.java

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/*
 * (C) Copyright 2013 Kurento (http://kurento.org/)
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl-2.1.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 */
package com.kurento.kmf.thrift.pool;

import java.io.IOException;

import org.apache.commons.pool2.BasePooledObjectFactory;
import org.apache.commons.pool2.PooledObject;
import org.apache.commons.pool2.impl.DefaultPooledObject;
import org.apache.thrift.async.TAsyncClient;
import org.apache.thrift.async.TAsyncClientManager;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocolFactory;
import org.apache.thrift.transport.TNonblockingSocket;
import org.apache.thrift.transport.TNonblockingTransport;
import org.springframework.beans.factory.annotation.Autowired;

import com.kurento.kmf.common.exception.KurentoMediaFrameworkException;
import com.kurento.kmf.thrift.ThriftInterfaceConfiguration;
import com.kurento.kms.thrift.api.KmsMediaServerService.AsyncClient;

public class MediaServerAsyncClientFactory extends BasePooledObjectFactory<AsyncClient> {

    @Autowired
    private ThriftInterfaceConfiguration apiConfig;

    @Override
    public AsyncClient create() throws Exception {
        return createAsyncClient();
    }

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

    /**
     * Validates an {@link AsyncClient} before returning it to the queue. This
     * check is done based on {@link TAsyncClient#hasError()}.
     * 
     * @param obj
     *            The object to validate.
     * @return <code>true</code> If the client has no error
     */
    @Override
    public boolean validateObject(PooledObject<AsyncClient> obj) {
        return ((AsyncClientWithValidation) obj.getObject()).isValid();
    }

    @Override
    public void destroyObject(PooledObject<AsyncClient> obj) {
        // TODO close the transport if needed
    }

    private AsyncClient createAsyncClient() {
        TNonblockingTransport transport;

        try {
            transport = new TNonblockingSocket(apiConfig.getServerAddress(), apiConfig.getServerPort());
        } catch (IOException e) {
            throw new KurentoMediaFrameworkException("Error creating non blocking transport", e, 30000);
        }

        TAsyncClientManager clientManager;
        try {
            clientManager = new TAsyncClientManager();
        } catch (IOException e) {
            throw new KurentoMediaFrameworkException("Error creating client manager", e, 30000);
        }

        TProtocolFactory protocolFactory = new TBinaryProtocol.Factory();

        return new AsyncClientWithValidation(protocolFactory, clientManager, transport);
    }

}