/**
* Copyright (c) 2012, University of Konstanz, Distributed Systems Group All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or other materials provided with the
* distribution. * Neither the name of the University of Konstanz nor the names of its contributors may be used to
* endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.jscsi.initiator.taskbalancer;
import java.util.concurrent.LinkedBlockingQueue;
import org.jscsi.exception.NoSuchConnectionException;
import org.jscsi.initiator.connection.Connection;
/**
* <h1>SimpleLoadBalancer</h1>
* <p/>
* This simple load balancer distribute only the work to the first connection.
*
* @author Volker Wildi
*/
public final class SimpleTaskBalancer extends AbstractTaskBalancer {
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
/**
* Constructor to create a <code>SimpleLoadBalancer</code> instance.
*
* @param initConnections The list with all opened connections.
*/
public SimpleTaskBalancer (final LinkedBlockingQueue<Connection> initConnections) {
super(initConnections);
}
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
/** {@inheritDoc} */
@Override
public Connection getConnection () throws NoSuchConnectionException {
Connection retConnection;
try {
retConnection = freeConnections.take();
return retConnection;
} catch (InterruptedException e) {
e.printStackTrace();
return null;
}
}
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
}