NonRichBoltTracker.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 backtype.storm.testing;

import backtype.storm.task.IBolt;
import backtype.storm.task.OutputCollector;
import backtype.storm.task.TopologyContext;
import backtype.storm.tuple.Tuple;
import backtype.storm.utils.RegisteredGlobalState;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;

public class NonRichBoltTracker implements IBolt {
    IBolt _delegate;
    String _trackId;

    public NonRichBoltTracker(IBolt delegate, String id) {
        _delegate = delegate;
        _trackId = id;
    }

    public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
        _delegate.prepare(stormConf, context, collector);
    }

    public void execute(Tuple input) {
        _delegate.execute(input);
        Map stats = (Map) RegisteredGlobalState.getState(_trackId);
        ((AtomicInteger) stats.get("processed")).incrementAndGet();
    }

    public void cleanup() {
        _delegate.cleanup();
    }
}