/*
* Copyright (C) 2012 Facebook, Inc.
*
* 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 com.facebook.logging.util;
import org.joda.time.DateTimeUtils;
import org.slf4j.Logger;
import org.slf4j.Marker;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
public class TimeSamplingSLF4JLogger implements Logger {
private final Logger logger;
private final long windowSizeMillis;
private final AtomicBoolean logToggle = new AtomicBoolean(false);
private volatile long lastLoggedMillis = 0;
public TimeSamplingSLF4JLogger(Logger logger, long time, TimeUnit timeUnit) {
this.logger = logger;
windowSizeMillis = timeUnit.toMillis(time);
}
private boolean shouldLog() {
if (DateTimeUtils.currentTimeMillis() - lastLoggedMillis >= windowSizeMillis
&& logToggle.compareAndSet(false, true)
) {
try {
lastLoggedMillis = DateTimeUtils.currentTimeMillis();
return true;
} finally {
logToggle.set(false);
}
}
return false;
}
@Override
public boolean isDebugEnabled() {
return logger.isDebugEnabled();
}
@Override
public void debug(String msg) {
if (shouldLog()) {
logger.debug(msg);
}
}
@Override
public void debug(String format, Object arg) {
if (shouldLog()) {
logger.debug(format, arg);
}
}
@Override
public void debug(String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.debug(format, arg1, arg2);
}
}
@Override
public void debug(String format, Object... args) {
if (shouldLog()) {
logger.debug(format, args);
}
}
@Override
public void debug(String message, Throwable throwable) {
if (shouldLog()) {
logger.debug(message, throwable);
}
}
@Override
public boolean isDebugEnabled(Marker marker) {
return logger.isDebugEnabled(marker);
}
@Override
public void debug(Marker marker, String msg) {
if (shouldLog()) {
logger.debug(marker, msg);
}
}
@Override
public void debug(Marker marker, String format, Object arg) {
if (shouldLog()) {
logger.debug(marker, format, arg);
}
}
@Override
public void debug(Marker marker, String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.debug(marker, format, arg1, arg2);
}
}
@Override
public void debug(Marker marker, String format, Object... arguments) {
if (shouldLog()) {
logger.debug(marker, format, arguments);
}
}
@Override
public void debug(Marker marker, String msg, Throwable t) {
if (shouldLog()) {
logger.debug(marker, msg, t);
}
}
@Override
public boolean isInfoEnabled() {
return logger.isInfoEnabled();
}
@Override
public void info(String msg) {
if (shouldLog()) {
logger.debug(msg);
}
}
@Override
public void info(String format, Object arg) {
if (shouldLog()) {
logger.info(format, arg);
}
}
@Override
public void info(String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.info(format, arg1, arg2);
}
}
@Override
public boolean isWarnEnabled() {
return logger.isWarnEnabled();
}
@Override
public void warn(String msg) {
if (shouldLog()) {
logger.warn(msg);
}
}
@Override
public void warn(String format, Object arg) {
if (shouldLog()) {
logger.warn(format, arg);
}
}
@Override
public boolean isErrorEnabled() {
return logger.isErrorEnabled();
}
@Override
public void error(String msg) {
if (shouldLog()) {
logger.error(msg);
}
}
@Override
public void error(String format, Object arg) {
if (shouldLog()) {
logger.error(format, arg);
}
}
@Override
public void error(String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.error(format, arg1, arg2);
}
}
@Override
public void info(String format, Object... args) {
if (shouldLog()) {
logger.info(format, args);
}
}
@Override
public void info(String message, Throwable throwable) {
if (shouldLog()) {
logger.info(message, throwable);
}
}
@Override
public boolean isInfoEnabled(Marker marker) {
return logger.isInfoEnabled(marker);
}
@Override
public void info(Marker marker, String msg) {
if (shouldLog()) {
logger.info(marker, msg);
}
}
@Override
public void info(Marker marker, String format, Object arg) {
if (shouldLog()) {
logger.info(marker, format, arg);
}
}
@Override
public void info(Marker marker, String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.info(marker, format, arg1 ,arg2);
}
}
@Override
public void info(Marker marker, String format, Object... arguments) {
if (shouldLog()) {
logger.info(marker, format, arguments);
}
}
@Override
public void info(Marker marker, String msg, Throwable t) {
if (shouldLog()) {
logger.info(marker, msg ,t);
}
}
@Override
public void warn(String format, Object... args) {
if (shouldLog()) {
logger.warn(format, args);
}
}
@Override
public void warn(String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.warn(format, arg1, arg2);
}
}
@Override
public void warn(String message, Throwable throwable) {
if (shouldLog()) {
logger.warn(message, throwable);
}
}
@Override
public boolean isWarnEnabled(Marker marker) {
return logger.isWarnEnabled(marker);
}
@Override
public void warn(Marker marker, String msg) {
if (shouldLog()) {
logger.warn(marker, msg);
}
}
@Override
public void warn(Marker marker, String format, Object arg) {
if (shouldLog()) {
logger.warn(marker, format, arg);
}
}
@Override
public void warn(Marker marker, String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.warn(marker, format, arg1, arg2);
}
}
@Override
public void warn(Marker marker, String format, Object... arguments) {
if (shouldLog()) {
logger.warn(marker, format, arguments);
}
}
@Override
public void warn(Marker marker, String msg, Throwable t) {
if (shouldLog()) {
logger.warn(marker, msg, t);
}
}
@Override
public void error(String format, Object... args) {
if (shouldLog()) {
logger.error(format, args);
}
}
@Override
public void error(String message, Throwable throwable) {
if (shouldLog()) {
logger.error(message, throwable);
}
}
@Override
public boolean isErrorEnabled(Marker marker) {
return logger.isErrorEnabled(marker);
}
@Override
public void error(Marker marker, String msg) {
if (shouldLog()) {
logger.error(marker, msg);
}
}
@Override
public void error(Marker marker, String format, Object arg) {
if (shouldLog()) {
logger.error(marker, format, arg);
}
}
@Override
public void error(Marker marker, String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.error(marker, format, arg1, arg2);
}
}
@Override
public void error(Marker marker, String format, Object... arguments) {
if (shouldLog()) {
logger.error(marker, format, arguments);
}
}
@Override
public void error(Marker marker, String msg, Throwable t) {
if (shouldLog()) {
logger.error(marker, msg, t);
}
}
@Override
public String getName() {
return logger.getName();
}
@Override
public boolean isTraceEnabled() {
return logger.isTraceEnabled();
}
@Override
public void trace(String msg) {
if (shouldLog()) {
logger.trace(msg);
}
}
@Override
public void trace(String format, Object arg) {
if (shouldLog()) {
logger.trace(format, arg);
}
}
@Override
public void trace(String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.trace(format, arg1, arg2);
}
}
@Override
public void trace(String format, Object... arguments) {
if (shouldLog()) {
logger.trace(format, arguments);
}
}
@Override
public void trace(String msg, Throwable t) {
if (shouldLog()) {
logger.trace(msg, t);
}
}
@Override
public boolean isTraceEnabled(Marker marker) {
return logger.isTraceEnabled(marker);
}
@Override
public void trace(Marker marker, String msg) {
if (shouldLog()) {
logger.trace(marker, msg);
}
}
@Override
public void trace(Marker marker, String format, Object arg) {
if (shouldLog()) {
logger.trace(marker, format, arg);
}
}
@Override
public void trace(Marker marker, String format, Object arg1, Object arg2) {
if (shouldLog()) {
logger.trace(marker, format, arg1, arg2);
}
}
@Override
public void trace(Marker marker, String format, Object... argArray) {
if (shouldLog()) {
logger.trace(marker, format, argArray);
}
}
@Override
public void trace(Marker marker, String msg, Throwable t) {
if (shouldLog()) {
logger.trace(marker, msg, t);
}
}
}