StormStream.java

package com.yahoo.labs.samoa.topology.impl;

/*
 * #%L
 * SAMOA
 * %%
 * Copyright (C) 2013 Yahoo! Inc.
 * %%
 * 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.
 * #L%
 */

import java.util.UUID;

import com.yahoo.labs.samoa.core.ContentEvent;
import com.yahoo.labs.samoa.topology.Stream;

/**
 * Abstract class to implement Storm Stream
 * @author Arinto Murdopo
 *
 */
abstract class StormStream implements Stream, java.io.Serializable {
		
	/**
	 * 
	 */
	private static final long serialVersionUID = 281835563756514852L;
	protected final String outputStreamId;
	protected final InputStreamId inputStreamId;
	
	public StormStream(String stormComponentId){
		this.outputStreamId = UUID.randomUUID().toString();
		this.inputStreamId = new InputStreamId(stormComponentId, this.outputStreamId);
	}
	
	@Override
	public abstract void put(ContentEvent contentEvent);
	
	String getOutputId(){
		return this.outputStreamId;
	}
	
	InputStreamId getInputId(){
		return this.inputStreamId;
	}
	
	final static class InputStreamId implements java.io.Serializable{
		
		/**
		 * 
		 */
		private static final long serialVersionUID = -7457995634133691295L;
		private final String componentId;
		private final String streamId;
		
		InputStreamId(String componentId, String streamId){
			this.componentId = componentId;
			this.streamId = streamId;
		}
		
		String getComponentId(){
			return componentId;
		}
		
		String getStreamId(){
			return streamId;
		}
	}
	
	@Override
	public void setBatchSize(int batchSize) {
		// Ignore batch size
	}
}