/*
* Copyright 1999,2004 The Apache Software Foundation.
*
* Licensed 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.log4j.db;
import org.apache.log4j.plugins.Pauseable;
import org.apache.log4j.plugins.Receiver;
import org.apache.log4j.scheduler.Scheduler;
import org.apache.log4j.spi.LoggerRepository;
/**
*
* @author Scott Deboy <sdeboy@apache.org>
* @author Ceki Gülcü
*
*/
public class DBReceiver extends Receiver implements Pauseable {
/**
* By default we refresh data every 1000 milliseconds.
* @see #setRefreshMillis
*/
static int DEFAULT_REFRESH_MILLIS = 1000;
ConnectionSource connectionSource;
int refreshMillis = DEFAULT_REFRESH_MILLIS;
DBReceiverJob receiverJob;
boolean paused = false;
private static final LoggerRepository Hierarchy = null;
public void activateOptions() {
if(connectionSource == null) {
throw new IllegalStateException(
"DBAppender cannot function without a connection source");
}
receiverJob = new DBReceiverJob(this);
receiverJob.setLoggerRepository(repository);
if(this.repository == null) {
throw new IllegalStateException(
"DBAppender cannot function without a reference to its owning repository");
}
Scheduler scheduler = this.repository.getScheduler();
scheduler.schedule(
receiverJob, System.currentTimeMillis() + 500, refreshMillis);
}
public void setRefreshMillis(int refreshMillis) {
this.refreshMillis = refreshMillis;
}
public int getRefreshMillis() {
return refreshMillis;
}
/**
* @return Returns the connectionSource.
*/
public ConnectionSource getConnectionSource() {
return connectionSource;
}
/**
* @param connectionSource The connectionSource to set.
*/
public void setConnectionSource(ConnectionSource connectionSource) {
this.connectionSource = connectionSource;
}
/* (non-Javadoc)
* @see org.apache.log4j.plugins.Plugin#shutdown()
*/
public void shutdown() {
getLogger().info("removing receiverJob from the Scheduler.");
if(this.repository != null) {
Scheduler scheduler = repository.getScheduler();
scheduler.delete(receiverJob);
}
}
/* (non-Javadoc)
* @see org.apache.log4j.plugins.Pauseable#setPaused(boolean)
*/
public void setPaused(boolean paused) {
this.paused = paused;
}
/* (non-Javadoc)
* @see org.apache.log4j.plugins.Pauseable#isPaused()
*/
public boolean isPaused() {
return paused;
}
}