/*
 * Copyright 2015-2016 the original author or authors.
 *
 * 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.springframework.integration.codec.kryo;

import java.util.Arrays;
import java.util.List;

import org.springframework.integration.support.MutableMessageHeaders;
import org.springframework.messaging.MessageHeaders;

import com.esotericsoftware.kryo.Registration;

/**
 * Registers common MessageHeader types and Serializers.
 * @author David Turanski
 * @author Gary Russell
 * @since 4.2
 */
public class MessageKryoRegistrar extends AbstractKryoRegistrar {

	private volatile int messageHeadersRegistrationId = RegistrationIds.DEFAULT_MESSAGEHEADERS_ID;

	private volatile int mutableMessageHeadersRegistrationId = RegistrationIds.DEFAULT_MUTABLE_MESSAGEHEADERS_ID;

	/**
	 * Set the registration id for {@code MessageHeaders}.
	 * @param messageHeadersRegistrationId the id, default 41.
	 */
	public void setMessageHeadersRegistrationId(int messageHeadersRegistrationId) {
		this.messageHeadersRegistrationId = messageHeadersRegistrationId;
	}

	/**
	 * Set the registration id for {@code MutableMessageHeaders}.
	 * @param mutableMessageHeadersRegistrationId the id, default 42.
	 */
	public void setMutableMessageHeadersRegistrationId(int mutableMessageHeadersRegistrationId) {
		this.mutableMessageHeadersRegistrationId = mutableMessageHeadersRegistrationId;
	}


	@Override
	public List<Registration> getRegistrations() {
		return Arrays.asList(
				new Registration(MessageHeaders.class, new MessageHeadersSerializer(),
						this.messageHeadersRegistrationId),
				new Registration(MutableMessageHeaders.class, new MutableMessageHeadersSerializer(),
						this.mutableMessageHeadersRegistrationId));
	}

}