/*
* 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 org.apache.sirona.store.counter;
import org.apache.sirona.configuration.Configuration;
import org.apache.sirona.configuration.ioc.Destroying;
import org.apache.sirona.counters.Counter;
import org.apache.sirona.repositories.Repository;
import org.apache.sirona.store.BatchFuture;
import org.apache.sirona.util.DaemonThreadFactory;
import java.util.Collection;
import java.util.Locale;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
public abstract class BatchCounterDataStore extends InMemoryCounterDataStore {
private static final Logger LOGGER = Logger.getLogger(BatchCounterDataStore.class.getName());
protected final BatchFuture scheduledTask;
protected final boolean clearAfterCollect;
protected BatchCounterDataStore() {
final String name = getClass().getSimpleName().toLowerCase(Locale.ENGLISH).replace("counterdatastore", "");
final String prefix = Configuration.CONFIG_PROPERTY_PREFIX + name;
final long period = getPeriod(prefix);
clearAfterCollect = isClearAfterCollect(prefix);
final ScheduledExecutorService ses = Executors.newSingleThreadScheduledExecutor(new DaemonThreadFactory(name + "-counter-schedule-"));
final ScheduledFuture<?> future = ses.scheduleAtFixedRate(new BatchPushCountersTask(), period, period, TimeUnit.MILLISECONDS);
scheduledTask = new BatchFuture(ses, future);
}
protected boolean isClearAfterCollect(final String prefix) {
return Configuration.is(prefix + ".counter.clearOnCollect", false);
}
protected int getPeriod(final String prefix) {
return Configuration.getInteger(prefix + ".counter.period", Configuration.getInteger(prefix + ".period", 60000));
}
@Destroying
public void shutdown() {
scheduledTask.done();
}
protected void clearCountersIfNeeded(final Repository instance) {
if (clearAfterCollect) {
instance.clearCounters();
}
}
protected abstract void pushCountersByBatch(final Collection<Counter> instance);
private class BatchPushCountersTask implements Runnable {
@Override
public void run() {
try {
final Repository instance = Repository.INSTANCE;
pushCountersByBatch(instance.counters());
clearCountersIfNeeded(instance);
} catch (final Exception e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
}
}
}
}