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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* Copyright (c) 2022 VMware Inc. or its affiliates, All Rights Reserved.
*
* 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
*
* https://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 reactor.core.publisher;
import reactor.util.Logger;
/**
* Implementation of the well formatted states migration logger.
*/
class StateLogger {
final Logger logger;
StateLogger(Logger logger) {
this.logger = logger;
}
void log(String instance, String action, long initialState, long committedState) {
log(instance, action, initialState, committedState, false);
}
void log(String instance,
String action,
long initialState,
long committedState,
boolean logStackTrace) {
if (logStackTrace) {
this.logger.trace(String.format("[%s][%s][%s][%s-%s]",
instance,
action,
action,
Thread.currentThread()
.getId(),
formatState(initialState, 64),
formatState(committedState, 64)), new RuntimeException());
}
else {
this.logger.trace(String.format("[%s][%s][%s][%s-%s]",
instance,
action,
Thread.currentThread()
.getId(),
formatState(initialState, 64),
formatState(committedState, 64)));
}
}
void log(String instance, String action, int initialState, int committedState) {
log(instance, action, initialState, committedState, false);
}
void log(String instance,
String action,
int initialState,
int committedState,
boolean logStackTrace) {
if (logStackTrace) {
this.logger.trace(String.format("[%s][%s][%s][%s-%s]",
instance,
action,
action,
Thread.currentThread()
.getId(),
formatState(initialState, 32),
formatState(committedState, 32)), new RuntimeException());
}
else {
this.logger.trace(String.format("[%s][%s][%s][%s-%s]",
instance,
action,
Thread.currentThread()
.getId(),
formatState(initialState, 32),
formatState(committedState, 32)));
}
}
static String formatState(long state, int size) {
final String defaultFormat = Long.toBinaryString(state);
final StringBuilder formatted = new StringBuilder();
final int toPrepend = size - defaultFormat.length();
for (int i = 0; i < size; i++) {
if (i != 0 && i % 4 == 0) {
formatted.append("_");
}
if (i < toPrepend) {
formatted.append("0");
}
else {
formatted.append(defaultFormat.charAt(i - toPrepend));
}
}
formatted.insert(0, "0b");
return formatted.toString();
}
}
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