eagle-core/eagle-data-process/eagle-job-common/src/main/java/org/apache/eagle/job/JobFilterByPartition.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.eagle.job;

public class JobFilterByPartition implements JobFilter {
	private JobPartitioner partitioner;
	private int numTotalPartitions;
	private int partitionId;
	
	public JobFilterByPartition(JobPartitioner partitioner, int numTotalPartitions, int partitionId){
		this.partitioner = partitioner;
		this.numTotalPartitions = numTotalPartitions;
		this.partitionId = partitionId;
	}

	@Override
	public boolean accept(String key) {
		int part = partitioner.partition(numTotalPartitions, key);
		if(part == partitionId)
			return true;
		return false;
	}
}