Messaging.java example

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datakernel-master
/*
 * Copyright (C) 2015 SoftIndex LLC.
 *
 * 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 io.datakernel.stream.net;

import io.datakernel.async.CompletionCallback;

public interface Messaging<I, O> {
	interface ReceiveMessageCallback<I> {
		void onReceive(I msg);

		void onReceiveEndOfStream();

		void onException(Exception e);
	}

	void receive(ReceiveMessageCallback<I> callback);

	void send(O msg, CompletionCallback callback);

	void sendEndOfStream(CompletionCallback callback);

	void close();
}