examples/storm-hbase-examples/src/main/java/org/apache/storm/hbase/trident/PrintFunction.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.storm.hbase.trident;

import java.util.Random;
import org.apache.storm.trident.operation.BaseFunction;
import org.apache.storm.trident.operation.TridentCollector;
import org.apache.storm.trident.tuple.TridentTuple;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class PrintFunction extends BaseFunction {

    private static final Logger LOG = LoggerFactory.getLogger(PrintFunction.class);

    private static final Random RANDOM = new Random();

    @Override
    public void execute(TridentTuple tuple, TridentCollector tridentCollector) {
        if (RANDOM.nextInt(1000) > 995) {
            LOG.info(tuple.toString());
        }
    }
}