org.apache.rocketmq.shaded.ch.qos.logback.core.spi.CyclicBufferTracker Maven / Gradle / Ivy
/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2015, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package org.apache.rocketmq.shaded.ch.qos.logback.core.spi;
import org.apache.rocketmq.shaded.ch.qos.logback.core.helpers.CyclicBuffer;
import java.util.*;
/**
* CyclicBufferTracker tracks {@link CyclicBuffer} instances.
*
* @author Ceki Gülcü
*/
public class CyclicBufferTracker extends AbstractComponentTracker> {
static final int DEFAULT_NUMBER_OF_BUFFERS = 64;
static final int DEFAULT_BUFFER_SIZE = 256;
int bufferSize = DEFAULT_BUFFER_SIZE;
public CyclicBufferTracker() {
super();
setMaxComponents(DEFAULT_NUMBER_OF_BUFFERS);
}
public int getBufferSize() {
return bufferSize;
}
public void setBufferSize(int bufferSize) {
this.bufferSize = bufferSize;
}
@Override
protected void processPriorToRemoval(CyclicBuffer component) {
component.clear();
}
@Override
protected CyclicBuffer buildComponent(String key) {
return new CyclicBuffer(bufferSize);
}
@Override
protected boolean isComponentStale(CyclicBuffer eCyclicBuffer) {
return false;
}
// for testing purposes
List liveKeysAsOrderedList() {
return new ArrayList(liveMap.keySet());
}
List lingererKeysAsOrderedList() {
return new ArrayList(lingerersMap.keySet());
}
}