connectable.java

提供ESB 应用mule源代码 提供ESB 应用mule源代码

/*
 * $Id: Connectable.java 12606 2008-09-03 17:09:08Z tcarlson $
 * --------------------------------------------------------------------------------------
 * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.api.transport;

import org.mule.api.lifecycle.Disposable;
import org.mule.api.lifecycle.Initialisable;
import org.mule.api.lifecycle.Startable;
import org.mule.api.lifecycle.Stoppable;

/**
 * Interface for objects that should connect to a resource.
 */
public interface Connectable extends Initialisable, Disposable, Startable, Stoppable
{

    /**
     * Make the connection to the underlying transport. The fact that this object is
     * connected or not should have no influence on the lifecycle, especially the
     * start / stop state if applicable.
     * 
     * @throws Exception
     */
    void connect() throws Exception;

    /**
     * Disconnect the from the underlying transport
     * 
     * @throws Exception
     */
    void disconnect() throws Exception;

    /**
     * Determines if this object is connected or not
     * 
     * @return
     */
    boolean isConnected();

    /**
     * Returns a string identifying the underlying resource
     * 
     * @return
     */
    String getConnectionDescription();
}