NodeJRMgmBaseRequest.java

package org.jboss.elasticsearch.river.remote.mgm;

import java.io.IOException;

import org.elasticsearch.action.support.nodes.NodeOperationRequest;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;

/**
 * Base for Node Requests targeted to the Remote River.
 * 
 * @author Vlastimil Elias (velias at redhat dot com)
 */
@SuppressWarnings("rawtypes")
public abstract class NodeJRMgmBaseRequest<T extends JRMgmBaseRequest> extends NodeOperationRequest {

	protected T request;

	protected NodeJRMgmBaseRequest() {
		super();
	}

	/**
	 * Construct node request with data.
	 * 
	 * @param nodeId this request is for
	 * @param request to be send to the node
	 */
	protected NodeJRMgmBaseRequest(String nodeId, T request) {
		super(request, nodeId);
		this.request = request;
	}

	public T getRequest() {
		return request;
	}

	@Override
	public void readFrom(StreamInput in) throws IOException {
		super.readFrom(in);
		request = newRequest();
		request.readFrom(in);
	}

	protected abstract T newRequest();

	@Override
	public void writeTo(StreamOutput out) throws IOException {
		super.writeTo(out);
		request.writeTo(out);
	}

}