com.google.appengine.api.memcache.LogAndContinueErrorHandler Maven / Gradle / Ivy
/*
* Copyright 2021 Google LLC
*
* 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 com.google.appengine.api.memcache;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* The default error handler, which will cause most service errors to behave
* as though there were a cache miss, not an error.
*
* To guarantee that all {@link MemcacheServiceException} are directed to
* the error handler use a {@link ConsistentErrorHandler} instead such as
* {@link ErrorHandlers#getConsistentLogAndContinue(Level)}.
*
*/
public class LogAndContinueErrorHandler implements ErrorHandler {
private static final Logger logger =
Logger.getLogger(LogAndContinueErrorHandler.class.getName());
private final Level level;
/**
* Constructor for a given logging level.
*
* @param level the level at which back-end errors should be logged.
*/
public LogAndContinueErrorHandler(Level level) {
this.level = level;
}
/**
* Logs the {@code thrown} error condition, but does not expose it to
* application code.
*
* @param thrown the classpath error exception
*/
@Override
public void handleDeserializationError(InvalidValueException thrown) {
getLogger().log(level, "Deserialization error in memcache", thrown);
}
/**
* Logs the {@code thrown} error condition, but does not expose it to
* application code.
*
* @param thrown the service error exception
*/
@Override
public void handleServiceError(MemcacheServiceException thrown) {
getLogger().log(level, "Service error in memcache", thrown);
}
Logger getLogger() {
return logger;
}
}