/**
 * 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.spout;

import backtype.storm.Config;
import java.util.Map;

public class SleepSpoutWaitStrategy implements ISpoutWaitStrategy {

    long sleepMillis;

    @Override
    public void prepare(Map conf) {
        sleepMillis = ((Number) conf.get(Config.TOPOLOGY_SLEEP_SPOUT_WAIT_STRATEGY_TIME_MS)).longValue();
    }

    @Override
    public void emptyEmit(long streak) {
        try {
            Thread.sleep(sleepMillis);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
    }
}