MessageFuture.java

/******************************************************************************
 *                                                                            *
 *                    Copyright 2017 Subterranean Security                    *
 *                                                                            *
 *  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 com.subterranean_security.crimson.core.net;

import com.subterranean_security.crimson.core.proto.MSG.Message;

public class MessageFuture {

	public Message message;

	public void setMessage(Message m) {
		if (m != null) {
			this.message = m;
			synchronized (this) {
				notifyAll();
			}
		}
	}

	public Message get(long timeout) throws Timeout, InterruptedException {
		synchronized (this) {
			wait(timeout);
		}

		if (message == null)
			throw new Timeout();
		return message;
	}

	public class Timeout extends Exception {
	}
}