/**
* This file is part of Graylog2.
*
* Graylog2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.periodical;
import org.graylog2.Configuration;
import org.graylog2.outputs.BatchedElasticSearchOutput;
import org.graylog2.outputs.OutputRegistry;
import org.graylog2.plugin.outputs.MessageOutput;
import org.graylog2.plugin.periodical.Periodical;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
/**
* @author Dennis Oelkers <dennis@torch.sh>
*/
public class BatchedElasticSearchOutputFlushThread extends Periodical {
private static final Logger LOG = LoggerFactory.getLogger(BatchedElasticSearchOutputFlushThread.class);
private final OutputRegistry outputRegistry;
private final Configuration configuration;
@Inject
public BatchedElasticSearchOutputFlushThread(OutputRegistry outputRegistry, Configuration configuration) {
this.outputRegistry = outputRegistry;
this.configuration = configuration;
}
@Override
public boolean runsForever() {
return false;
}
@Override
public boolean stopOnGracefulShutdown() {
return true;
}
@Override
public boolean masterOnly() {
return false;
}
@Override
public boolean startOnThisNode() {
return true;
}
@Override
public boolean isDaemon() {
return false;
}
@Override
public int getInitialDelaySeconds() {
return 0;
}
@Override
public int getPeriodSeconds() {
return configuration.getOutputFlushInterval();
}
@Override
public void doRun() {
LOG.debug("Checking for outputs to flush ...");
for (MessageOutput output : outputRegistry.getMessageOutputs()) {
if (output instanceof BatchedElasticSearchOutput) {
BatchedElasticSearchOutput batchedOutput = (BatchedElasticSearchOutput)output;
try {
LOG.debug("Flushing output <{}>", batchedOutput);
batchedOutput.flush();
} catch (Exception e) {
LOG.error("Caught exception while trying to flush output: {}", e);
}
}
}
}
@Override
protected Logger getLogger() {
return LOG;
}
}