/*
* 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.endpoint;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.springframework.boot.actuate.metrics.Metric;
import org.springframework.boot.actuate.metrics.reader.MetricReader;
import org.springframework.util.Assert;
/**
* {@link PublicMetrics} exposed from a {@link MetricReader}.
*
* @author Dave Syer
* @author Christian Dupuis
* @author Stephane Nicoll
* @author Phillip Webb
*/
public class MetricReaderPublicMetrics implements PublicMetrics {
private final MetricReader metricReader;
public MetricReaderPublicMetrics(MetricReader metricReader) {
Assert.notNull(metricReader, "MetricReader must not be null");
this.metricReader = metricReader;
}
@Override
public Collection<Metric<?>> metrics() {
List<Metric<?>> result = new ArrayList<>();
for (Metric<?> metric : this.metricReader.findAll()) {
result.add(metric);
}
return result;
}
}