/*
* 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.filter;
import java.util.Set;
import com.google.common.collect.ImmutableSet;
import gobblin.metrics.InnerMetricContext;
import gobblin.metrics.MetricContext;
import gobblin.metrics.RootMetricContext;
/**
* Accepts all {@link MetricContext} in the tree.
*/
public class AllContextFilter implements ContextFilter {
@Override public Set<MetricContext> getMatchingContexts() {
ImmutableSet.Builder<MetricContext> builder = ImmutableSet.builder();
addContextsRecursively(builder, RootMetricContext.get());
return builder.build();
}
@Override public boolean matches(MetricContext metricContext) {
return true;
}
@Override public boolean shouldReplaceByParent(InnerMetricContext removedMetricContext) {
return false;
}
private void addContextsRecursively(ImmutableSet.Builder<MetricContext> builder, MetricContext metricContext) {
builder.add(metricContext);
for(MetricContext context : metricContext.getChildContextsAsMap().values()) {
addContextsRecursively(builder, context);
}
}
}