com.spring.boxes.dollar.support.logger.RateLogger Maven / Gradle / Ivy
package com.spring.boxes.dollar.support.logger;
import static org.slf4j.spi.LocationAwareLogger.DEBUG_INT;
import static org.slf4j.spi.LocationAwareLogger.ERROR_INT;
import static org.slf4j.spi.LocationAwareLogger.INFO_INT;
import static org.slf4j.spi.LocationAwareLogger.TRACE_INT;
import static org.slf4j.spi.LocationAwareLogger.WARN_INT;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import javax.annotation.Nullable;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.tuple.Triple;
import org.slf4j.Logger;
import org.slf4j.Marker;
import org.slf4j.spi.LocationAwareLogger;
import com.github.benmanes.caffeine.cache.Caffeine;
import com.github.benmanes.caffeine.cache.LoadingCache;
import com.spring.boxes.dollar.support.limiter.SimpleRateLimiter;
public final class RateLogger implements Logger {
public static final double DEFAULT_PERMITS_PER_SECOND = 1;
private final Logger logger;
private final LocationAwareLogger locationAwareLogger;
// 私有构造
private RateLogger(Logger logger, double permitsPerSecond, boolean perFormatString) {
this.logger = logger;
if (logger instanceof LocationAwareLogger) {
this.locationAwareLogger = (LocationAwareLogger) logger;
} else {
this.locationAwareLogger = null;
}
this.rateLimiter = SimpleRateLimiter.create(permitsPerSecond);
if (perFormatString) {
this.perFormatStringRateLimiter = Caffeine.newBuilder().maximumSize(100).build(s -> SimpleRateLimiter.create(permitsPerSecond));
} else {
this.perFormatStringRateLimiter = null;
}
}
/**
* @param logger 要封装的logger实例
* @return 采样日志组件
*/
public static RateLogger rateLogger(Logger logger) {
return rateLogger(logger, DEFAULT_PERMITS_PER_SECOND);
}
/**
* @param logger 要封装的logger实例
* @param permitsPer 打log的每秒允许个数，例如传入0.2，就意味着五秒打一条log
* @return 采样日志组件
*/
public static RateLogger rateLogger(Logger logger, double permitsPer) {
return rateLogger(logger, permitsPer, false);
}
/**
*
* @param logger 要封装的logger实例
* @param permitsPer 打log的每秒允许个数，例如传入0.2，就意味着五秒打一条log
* @param perFormatString 如果为 {@code true}，则按照每个 formatString 为单位而不是整个 logger 为单位执行采样
* @return 采样日志组件
*/
public static RateLogger rateLogger(Logger logger, double permitsPer, boolean perFormatString) {
String name = logger.getName();
Triple key = Triple.of(name, permitsPer, perFormatString);
RateLogger rateLogger = CACHE.get(key);
if (Objects.nonNull(rateLogger)) {
return rateLogger;
}
return CACHE.computeIfAbsent(key, it -> new RateLogger(logger, it.getMiddle(), it.getRight()));
}
@Override
public String getName() {
return logger.getName();
}
@Override
public boolean isTraceEnabled() {
return logger.isTraceEnabled();
}
@Override
public void trace(String s) {
if (isTraceEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, TRACE_INT, msg(s), args(limiter), null);
} else {
logger.trace(msg(s), args(limiter));
}
}
}
}
@Override
public void trace(String s, Object o) {
if (isTraceEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, TRACE_INT, msg(s), args(limiter, o), null);
} else {
logger.trace(msg(s), args(limiter, o));
}
}
}
}
@Override
public void trace(String s, Object o, Object o1) {
if (isTraceEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, TRACE_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.trace(msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void trace(String s, Object... objects) {
if (isTraceEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, TRACE_INT, msg(s), args(limiter, objects), null);
} else {
logger.trace(msg(s), args(limiter, objects));
}
}
}
}
@Override
public void trace(String s, Throwable throwable) {
if (isTraceEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, TRACE_INT, msg(s), args(limiter), throwable);
} else {
logger.trace(msg(s), args(limiter));
}
}
}
}
@Override
public boolean isTraceEnabled(Marker marker) {
return logger.isTraceEnabled(marker);
}
@Override
public void trace(Marker marker, String s) {
if (isTraceEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, TRACE_INT, msg(s), args(limiter), null);
} else {
logger.trace(marker, msg(s), args(limiter));
}
}
}
}
@Override
public void trace(Marker marker, String s, Object o) {
if (isTraceEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, TRACE_INT, msg(s), args(limiter, o), null);
} else {
logger.trace(marker, msg(s), args(limiter, o));
}
}
}
}
@Override
public void trace(Marker marker, String s, Object o, Object o1) {
if (isTraceEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, TRACE_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.trace(marker, msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void trace(Marker marker, String s, Object... objects) {
if (isTraceEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, TRACE_INT, msg(s), args(limiter, objects), null);
} else {
logger.trace(marker, msg(s), args(limiter, objects));
}
}
}
}
@Override
public void trace(Marker marker, String s, Throwable throwable) {
if (isTraceEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, TRACE_INT, msg(s), args(limiter), throwable);
} else {
logger.trace(marker, msg(s), args(limiter));
}
}
}
}
@Override
public boolean isDebugEnabled() {
return logger.isDebugEnabled();
}
@Override
public void debug(String s) {
if (isDebugEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, DEBUG_INT, msg(s), args(limiter), null);
} else {
logger.debug(msg(s), args(limiter));
}
}
}
}
@Override
public void debug(String s, Object o) {
if (isDebugEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, DEBUG_INT, msg(s), args(limiter, o), null);
} else {
logger.debug(msg(s), args(limiter, o));
}
}
}
}
@Override
public void debug(String s, Object o, Object o1) {
if (isDebugEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, DEBUG_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.debug(msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void debug(String s, Object... objects) {
if (isDebugEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, DEBUG_INT, msg(s), args(limiter, objects), null);
} else {
logger.debug(msg(s), args(limiter, objects));
}
}
}
}
@Override
public void debug(String s, Throwable throwable) {
if (isDebugEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, DEBUG_INT, msg(s), args(limiter), throwable);
} else {
logger.debug(msg(s), args(limiter, throwable));
}
}
}
}
@Override
public boolean isDebugEnabled(Marker marker) {
return logger.isDebugEnabled(marker);
}
@Override
public void debug(Marker marker, String s) {
if (isDebugEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, DEBUG_INT, msg(s), args(limiter), null);
} else {
logger.debug(marker, msg(s), args(limiter));
}
}
}
}
@Override
public void debug(Marker marker, String s, Object o) {
if (isDebugEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, DEBUG_INT, msg(s), args(limiter, o), null);
} else {
logger.debug(marker, msg(s), args(limiter, o));
}
}
}
}
@Override
public void debug(Marker marker, String s, Object o, Object o1) {
if (isDebugEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, DEBUG_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.debug(marker, msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void debug(Marker marker, String s, Object... objects) {
if (isDebugEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, DEBUG_INT, msg(s), args(limiter, objects), null);
} else {
logger.debug(marker, msg(s), args(limiter, objects));
}
}
}
}
@Override
public void debug(Marker marker, String s, Throwable throwable) {
if (isDebugEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, DEBUG_INT, msg(s), args(limiter), throwable);
} else {
logger.debug(marker, msg(s), args(limiter));
}
}
}
}
@Override
public boolean isInfoEnabled() {
return logger.isInfoEnabled();
}
@Override
public void info(String s) {
if (isInfoEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, INFO_INT, msg(s), args(limiter), null);
} else {
logger.info(msg(s), args(limiter));
}
}
}
}
@Override
public void info(String s, Object o) {
if (isInfoEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, INFO_INT, msg(s), args(limiter, o), null);
} else {
logger.info(msg(s), args(limiter, o));
}
}
}
}
@Override
public void info(String s, Object o, Object o1) {
if (isInfoEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, INFO_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.info(msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void info(String s, Object... objects) {
if (isInfoEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, INFO_INT, msg(s), args(limiter, objects), null);
} else {
logger.info(msg(s), args(limiter, objects));
}
}
}
}
@Override
public void info(String s, Throwable throwable) {
if (isInfoEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, INFO_INT, msg(s), args(limiter), throwable);
} else {
logger.info(msg(s), args(limiter));
}
}
}
}
@Override
public boolean isInfoEnabled(Marker marker) {
return logger.isInfoEnabled(marker);
}
@Override
public void info(Marker marker, String s) {
if (isInfoEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, INFO_INT, msg(s), args(limiter), null);
} else {
logger.info(marker, msg(s), args(limiter));
}
}
}
}
@Override
public void info(Marker marker, String s, Object o) {
if (isInfoEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, INFO_INT, msg(s), args(limiter, o), null);
} else {
logger.info(marker, msg(s), args(limiter, o));
}
}
}
}
@Override
public void info(Marker marker, String s, Object o, Object o1) {
if (isInfoEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, INFO_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.info(marker, msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void info(Marker marker, String s, Object... objects) {
if (isInfoEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, INFO_INT, msg(s), args(limiter, objects), null);
} else {
logger.info(marker, msg(s), args(limiter, objects));
}
}
}
}
@Override
public void info(Marker marker, String s, Throwable throwable) {
if (isInfoEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, INFO_INT, msg(s), args(limiter), throwable);
} else {
logger.info(marker, msg(s), args(limiter));
}
}
}
}
@Override
public boolean isWarnEnabled() {
return logger.isWarnEnabled();
}
@Override
public void warn(String s) {
if (isWarnEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, WARN_INT, msg(s), args(limiter), null);
} else {
logger.warn(msg(s), args(limiter));
}
}
}
}
@Override
public void warn(String s, Object o) {
if (isWarnEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, WARN_INT, msg(s), args(limiter, o), null);
} else {
logger.warn(msg(s), args(limiter, o));
}
}
}
}
@Override
public void warn(String s, Object... objects) {
if (isWarnEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, WARN_INT, msg(s), args(limiter, objects), null);
} else {
logger.warn(msg(s), args(limiter, objects));
}
}
}
}
@Override
public void warn(String s, Object o, Object o1) {
if (isWarnEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, WARN_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.warn(msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void warn(String s, Throwable throwable) {
if (isWarnEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, WARN_INT, msg(s), args(limiter), throwable);
} else {
logger.warn(msg(s), args(limiter));
}
}
}
}
@Override
public boolean isWarnEnabled(Marker marker) {
return logger.isWarnEnabled(marker);
}
@Override
public void warn(Marker marker, String s) {
if (isWarnEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, WARN_INT, msg(s), args(limiter), null);
} else {
logger.warn(marker, msg(s), args(limiter));
}
}
}
}
@Override
public void warn(Marker marker, String s, Object o) {
if (isWarnEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, WARN_INT, msg(s), args(limiter, o), null);
} else {
logger.warn(marker, msg(s), args(limiter, o));
}
}
}
}
@Override
public void warn(Marker marker, String s, Object o, Object o1) {
if (isWarnEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, WARN_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.warn(marker, msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void warn(Marker marker, String s, Object... objects) {
if (isWarnEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, WARN_INT, msg(s), args(limiter, objects), null);
} else {
logger.warn(marker, msg(s), args(limiter, objects));
}
}
}
}
@Override
public void warn(Marker marker, String s, Throwable throwable) {
if (isWarnEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, WARN_INT, msg(s), args(limiter), throwable);
} else {
logger.warn(marker, msg(s), args(limiter));
}
}
}
}
@Override
public boolean isErrorEnabled() {
return logger.isErrorEnabled();
}
@Override
public void error(String s) {
if (isErrorEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, ERROR_INT, msg(s), args(limiter), null);
} else {
logger.error(msg(s), args(limiter));
}
}
}
}
@Override
public void error(String s, Object o) {
if (isErrorEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, ERROR_INT, msg(s), args(limiter, o), null);
} else {
logger.error(msg(s), args(limiter, o));
}
}
}
}
@Override
public void error(String s, Object o, Object o1) {
if (isErrorEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, ERROR_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.error(msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void error(String s, Object... objects) {
if (isErrorEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, ERROR_INT, msg(s), args(limiter, objects), null);
} else {
logger.error(msg(s), args(limiter, objects));
}
}
}
}
@Override
public void error(String s, Throwable throwable) {
if (isErrorEnabled()) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(null, FQCN, ERROR_INT, msg(s), args(limiter), throwable);
} else {
logger.error(msg(s), args(limiter));
}
}
}
}
@Override
public boolean isErrorEnabled(Marker marker) {
return logger.isErrorEnabled(marker);
}
@Override
public void error(Marker marker, String s) {
if (isErrorEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, ERROR_INT, msg(s), args(limiter), null);
} else {
logger.error(marker, msg(s), args(limiter));
}
}
}
}
@Override
public void error(Marker marker, String s, Object o) {
if (isErrorEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, ERROR_INT, msg(s), args(limiter, o), null);
} else {
logger.error(marker, msg(s), args(limiter, o));
}
}
}
}
@Override
public void error(Marker marker, String s, Object o, Object o1) {
if (isErrorEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, ERROR_INT, msg(s), args(limiter, o, o1), null);
} else {
logger.error(marker, msg(s), args(limiter, o, o1));
}
}
}
}
@Override
public void error(Marker marker, String s, Object... objects) {
if (isErrorEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, ERROR_INT, msg(s), args(limiter, objects), null);
} else {
logger.error(marker, msg(s), args(limiter, objects));
}
}
}
}
@Override
public void error(Marker marker, String s, Throwable throwable) {
if (isErrorEnabled(marker)) {
SimpleRateLimiter limiter = getLimiter(s);
if (limiter.tryAcquire()) {
if (locationAwareLogger != null) {
locationAwareLogger.log(marker, FQCN, ERROR_INT, msg(s), args(limiter), throwable);
} else {
logger.error(marker, msg(s), args(limiter));
}
}
}
}
private String msg(String message) {
return "[IGNORED={}]" + message;
}
private Object[] args(SimpleRateLimiter limiter, Object... args) {
Object[] result;
long skip = limiter.getSkipCountAndClear();
if (ArrayUtils.getLength(args) == 0) {
result = new Object[] {skip};
} else {
result = ArrayUtils.addAll(new Object[] {skip}, args);
}
return result;
}
private SimpleRateLimiter getLimiter(@Nullable String message) {
if(Objects.isNull(perFormatStringRateLimiter)){
return rateLimiter;
}
if(StringUtils.isBlank(message)){
return rateLimiter;
}
return perFormatStringRateLimiter.get(message);
}
private final SimpleRateLimiter rateLimiter;
private final LoadingCache perFormatStringRateLimiter;
private static final String FQCN = RateLogger.class.getName();
// 直接使用Map来cache RateLogger。Logger的数量是有限的，LogBack也是使用了Map来Cache，所以没必要用一个支持evict的Cache。
private static final ConcurrentMap, RateLogger> CACHE = new ConcurrentHashMap<>();
}
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