ITaskBalancer.java example

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/**
 * 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 org.jscsi.exception.NoSuchConnectionException;
import org.jscsi.initiator.connection.Connection;

/**
 * <h1>ILoadBalancer</h1>
 * <p/>
 * This is an load balancer to distribute the workload to all opened connections within a session.
 * 
 * @author Volker Wildi
 */
@Deprecated
public interface ITaskBalancer {

    // --------------------------------------------------------------------------
    // --------------------------------------------------------------------------

    /**
     * Returns the next connection, which should used for the next task.
     * 
     * @return The <code>Connection</code> instance to use.
     * @throws NoSuchConnectionException
     *             If there is no such connection.
     */
    public Connection getConnection() throws NoSuchConnectionException;

    // --------------------------------------------------------------------------
    // --------------------------------------------------------------------------

    /**
     * Releases a used connection, so that it can be used by another task.
     * 
     * @param connection
     *            The <code>Connection</code> instance to release.
     * @throws NoSuchConnectionException
     *             If there is no such connection.
     */
    public void releaseConnection(Connection connection) throws NoSuchConnectionException;

    // --------------------------------------------------------------------------
    // --------------------------------------------------------------------------
    // --------------------------------------------------------------------------
    // --------------------------------------------------------------------------

}