/*
* 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 gobblin.metrics.context;
import lombok.Getter;
import java.lang.ref.WeakReference;
import gobblin.metrics.InnerMetricContext;
import gobblin.metrics.MetricContext;
import gobblin.metrics.RootMetricContext;
/**
* {@link WeakReference} to a {@link MetricContext} used to notify the {@link RootMetricContext} of garbage collection
* of {@link MetricContext}s.
*/
@Getter
public class ContextWeakReference extends WeakReference<MetricContext> {
private final InnerMetricContext innerContext;
public ContextWeakReference(MetricContext referent, InnerMetricContext innerContext) {
super(referent, RootMetricContext.get().getReferenceQueue());
this.innerContext = innerContext;
}
}