com.datastax.oss.driver.internal.core.metrics.DefaultMetricsFactory Maven / Gradle / Ivy
The newest version!
/*
* 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 com.datastax.oss.driver.internal.core.metrics;
import static com.datastax.oss.driver.internal.core.util.Dependency.DROPWIZARD;
import com.datastax.oss.driver.api.core.context.DriverContext;
import com.datastax.oss.driver.api.core.metadata.Node;
import com.datastax.oss.driver.api.core.metrics.Metrics;
import com.datastax.oss.driver.internal.core.util.DefaultDependencyChecker;
import java.util.Optional;
import net.jcip.annotations.ThreadSafe;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ThreadSafe
public class DefaultMetricsFactory implements MetricsFactory {
private static final Logger LOG = LoggerFactory.getLogger(DefaultMetricsFactory.class);
private final MetricsFactory delegate;
@SuppressWarnings("unused")
public DefaultMetricsFactory(DriverContext context) {
if (DefaultDependencyChecker.isPresent(DROPWIZARD)) {
this.delegate = new DropwizardMetricsFactory(context);
} else {
this.delegate = new NoopMetricsFactory(context);
}
LOG.debug("[{}] Using {}", context.getSessionName(), delegate.getClass().getSimpleName());
}
@Override
public Optional getMetrics() {
return delegate.getMetrics();
}
@Override
public SessionMetricUpdater getSessionUpdater() {
return delegate.getSessionUpdater();
}
@Override
public NodeMetricUpdater newNodeUpdater(Node node) {
return delegate.newNodeUpdater(node);
}
}