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EventReporterBuilder.java
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EventReporterBuilder.java
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/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.metrics.output;
import com.codahale.metrics.MetricRegistry;
import org.neo4j.cluster.ClusterSettings;
import org.neo4j.helpers.HostnamePort;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.impl.spi.KernelContext;
import org.neo4j.kernel.lifecycle.LifeSupport;
import org.neo4j.logging.Log;
import org.neo4j.metrics.MetricsSettings;
import org.neo4j.scheduler.JobScheduler;
import static org.neo4j.metrics.MetricsSettings.csvEnabled;
import static org.neo4j.metrics.MetricsSettings.graphiteEnabled;
import static org.neo4j.metrics.MetricsSettings.graphiteInterval;
import static org.neo4j.metrics.MetricsSettings.graphiteServer;
public class EventReporterBuilder
{
private final Config config;
private final MetricRegistry registry;
private final Log logger;
private final KernelContext kernelContext;
private final LifeSupport life;
private FileSystemAbstraction fileSystem;
private JobScheduler scheduler;
public EventReporterBuilder( Config config, MetricRegistry registry, Log logger, KernelContext kernelContext,
LifeSupport life, FileSystemAbstraction fileSystem, JobScheduler scheduler )
{
this.config = config;
this.registry = registry;
this.logger = logger;
this.kernelContext = kernelContext;
this.life = life;
this.fileSystem = fileSystem;
this.scheduler = scheduler;
}
public CompositeEventReporter build()
{
CompositeEventReporter reporter = new CompositeEventReporter();
final String prefix = createMetricsPrefix( config );
if ( config.get( csvEnabled ) )
{
CsvOutput csvOutput = new CsvOutput( config, registry, logger, kernelContext, fileSystem, scheduler );
reporter.add( csvOutput );
life.add( csvOutput );
}
if ( config.get( graphiteEnabled ) )
{
HostnamePort server = config.get( graphiteServer );
long period = config.get( graphiteInterval ).toMillis();
GraphiteOutput graphiteOutput = new GraphiteOutput( server, period, registry, logger, prefix );
reporter.add( graphiteOutput );
life.add( graphiteOutput );
}
return reporter;
}
private String createMetricsPrefix( Config config )
{
String prefix = config.get( MetricsSettings.metricsPrefix );
if ( prefix.equals( MetricsSettings.metricsPrefix.getDefaultValue() ) )
{
// If default name and in HA, try to figure out a nicer name
if ( config.isConfigured( ClusterSettings.server_id ) )
{
prefix += "." + config.get( ClusterSettings.cluster_name );
prefix += "." + config.get( ClusterSettings.server_id );
}
}
return prefix;
}
}