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Core service abstraction that has a list of accepting and connecting endpoints that provide functionality like echoing, broadcasting etc.

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/**
 * Copyright 2007-2016, Kaazing Corporation. All rights reserved.
 *
 * 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.kaazing.gateway.service.messaging.buffer;

import org.kaazing.gateway.service.messaging.MessagingMessage;

public interface MessageBuffer {

	// TODO: this could return null for expired messages and possibly null them to clear storage     
	MessageBufferEntry get(int id);	
    MessageBufferEntry add(MessagingMessage message);
    MessageBufferEntry set(int index, MessagingMessage message);
	int getYoungestId();
	int getOldestId();
	int getCapacity();
	
	void addMessageBufferListener(MessageBufferListener listener);
	void removeMessageBufferListener(MessageBufferListener listener);
}