/**
 * 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.testing;

import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;

public class AckTracker implements AckFailDelegate {
    private static Map<String, AtomicInteger> acks = new ConcurrentHashMap<String, AtomicInteger>();

    private String id;

    public AckTracker() {
        id = UUID.randomUUID().toString();
        acks.put(id, new AtomicInteger(0));
    }

    @Override
    public void ack(Object id) {
        acks.get(this.id).incrementAndGet();
    }

    @Override
    public void fail(Object id) {
    }

    public int getNumAcks() {
        return acks.get(id).intValue();
    }

    public void resetNumAcks() {
        acks.get(id).set(0);
    }

}