eagle-core/eagle-query/eagle-query-base/src/main/java/org/apache/eagle/query/aggregate/timeseries/SynchronizedAggregator.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.query.aggregate.timeseries;

import org.apache.eagle.log.base.taggedlog.TaggedLogAPIEntity;

public class SynchronizedAggregator implements Aggregator {
    private Object mutex = new Object();
    private Aggregator agg;

    public SynchronizedAggregator(Aggregator agg) {
        this.agg = agg;
    }

    @Override
    public void accumulate(TaggedLogAPIEntity entity) throws Exception {
        synchronized (mutex) {
            agg.accumulate(entity);
        }
    }
}