com.datastax.oss.driver.internal.core.metrics.DefaultMetrics Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
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package com.datastax.oss.driver.internal.core.metrics;
import com.codahale.metrics.Metric;
import com.codahale.metrics.MetricRegistry;
import com.datastax.oss.driver.api.core.metadata.Node;
import com.datastax.oss.driver.api.core.metrics.Metrics;
import com.datastax.oss.driver.api.core.metrics.NodeMetric;
import com.datastax.oss.driver.api.core.metrics.SessionMetric;
import com.datastax.oss.driver.internal.core.metadata.DefaultNode;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.util.Optional;
import net.jcip.annotations.ThreadSafe;
@ThreadSafe
public class DefaultMetrics implements Metrics {
private final MetricRegistry registry;
private final DropwizardSessionMetricUpdater sessionUpdater;
public DefaultMetrics(MetricRegistry registry, DropwizardSessionMetricUpdater sessionUpdater) {
this.registry = registry;
this.sessionUpdater = sessionUpdater;
}
@NonNull
@Override
public MetricRegistry getRegistry() {
return registry;
}
@NonNull
@Override
@SuppressWarnings("TypeParameterUnusedInFormals")
public Optional getSessionMetric(
@NonNull SessionMetric metric, String profileName) {
return Optional.ofNullable(sessionUpdater.getMetric(metric, profileName));
}
@NonNull
@Override
@SuppressWarnings("TypeParameterUnusedInFormals")
public Optional getNodeMetric(
@NonNull Node node, @NonNull NodeMetric metric, String profileName) {
NodeMetricUpdater nodeUpdater = ((DefaultNode) node).getMetricUpdater();
return Optional.ofNullable(
((DropwizardNodeMetricUpdater) nodeUpdater).getMetric(metric, profileName));
}
}