/*
* Copyright 2012-2017 the original author or authors.
*
* Licensed 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.springframework.boot.actuate.metrics.writer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.springframework.boot.actuate.metrics.Metric;
/**
* Composite implementation of {@link MetricWriter} that just sends its input to all of
* the delegates that have been registered.
*
* @author Dave Syer
*/
public class CompositeMetricWriter implements MetricWriter, Iterable<MetricWriter> {
private final List<MetricWriter> writers = new ArrayList<>();
public CompositeMetricWriter(MetricWriter... writers) {
Collections.addAll(this.writers, writers);
}
public CompositeMetricWriter(List<MetricWriter> writers) {
this.writers.addAll(writers);
}
@Override
public Iterator<MetricWriter> iterator() {
return this.writers.iterator();
}
@Override
public void increment(Delta<?> delta) {
for (MetricWriter writer : this.writers) {
writer.increment(delta);
}
}
@Override
public void set(Metric<?> value) {
for (MetricWriter writer : this.writers) {
writer.set(value);
}
}
@Override
public void reset(String metricName) {
for (MetricWriter writer : this.writers) {
writer.reset(metricName);
}
}
}