/*
* 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;
import java.util.Collection;
import com.codahale.metrics.Metric;
import com.codahale.metrics.MetricFilter;
import com.google.common.collect.ImmutableSet;
/**
* A type of {@link com.codahale.metrics.MetricFilter}s that matches {@link com.codahale.metrics.Metric}s
* of type {@link Taggable} that have some given {@link Tag}s.
*
* @author Yinan Li
*/
public class TagBasedMetricFilter implements MetricFilter {
private final Collection<Tag<?>> tags;
public TagBasedMetricFilter(Collection<Tag<?>> tags) {
this.tags = ImmutableSet.copyOf(tags);
}
@Override
public boolean matches(String name, Metric metric) {
return metric instanceof Taggable && ((Taggable) metric).getTags().containsAll(this.tags);
}
}