/**
* Copyright (c) 2008-2009 Apple Inc. All rights reserved.
* Copyright (C) 2012 FuseSource, Inc.
* http://fusesource.com
*
* 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 org.fusesource.hawtdispatch;
/**
* <p>
* Implemented by dispatch objects which can suspend the
* execution of dispatch tasks.
* </p>
*/
public interface Suspendable {
/**
* <p>
* Suspends the invocation of tasks on a dispatch object.
* </p><p>
* A suspended object will not invoke any tasks associated with it. The
* suspension of an object will occur after any running runnable associated with
* the object completes.
* </p><p>
* Calls to {@link #suspend()} must be balanced with calls
* to {@link #resume()}.
* </p>
*
* @see #resume()
*/
public void suspend();
/**
* <p>
* Resumes the invocation of tasks on a dispatch object.
* </p>
*
* @see #suspend()
*/
public void resume();
/**
* @see #resume()
* @see #suspend()
* @return true if the the current object is suspended.
*/
public boolean isSuspended();
}