com.hazelcast.wan.impl.WanEventCounterRegistry Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, Hazelcast, Inc. 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
*
* 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.hazelcast.wan.impl;
import com.hazelcast.cache.impl.CacheService;
import com.hazelcast.map.impl.MapService;
import com.hazelcast.internal.util.ConstructorFunction;
import com.hazelcast.wan.WanEventCounters;
import java.util.concurrent.ConcurrentHashMap;
import static com.hazelcast.internal.util.ConcurrencyUtil.getOrPutIfAbsent;
/**
* Thread safe container for {@link WanEventCounters}
* grouped by WAN publisher, distributed service name and distributed object
* name.
* The publisher is defined by the WAN replication name and the target group
* name.
*/
public class WanEventCounterRegistry {
private static final ConstructorFunction WAN_EVENT_COUNTER_CONSTRUCTOR_FN
= ignored -> new WanPublisherEventCounters();
private final ConcurrentHashMap eventCounterMap = new ConcurrentHashMap<>();
/**
* Returns the {@link WanEventCounters} for the given {@code serviceName}
*/
public WanEventCounters getWanEventCounter(String wanReplicationName,
String wanPublisherId,
String serviceName) {
final String counterId = wanReplicationName + ":" + wanPublisherId;
final WanPublisherEventCounters serviceWanEventCounters
= getOrPutIfAbsent(eventCounterMap, counterId, WAN_EVENT_COUNTER_CONSTRUCTOR_FN);
return serviceWanEventCounters.getWanEventCounter(serviceName);
}
/**
* Removes the counter for the given {@code serviceName} and {@code dataStructureName}.
*/
public void removeCounter(String serviceName, String dataStructureName) {
for (WanPublisherEventCounters publisherWanCounterContainer : eventCounterMap.values()) {
publisherWanCounterContainer.removeCounter(serviceName, dataStructureName);
}
}
/**
* Thread safe container for {@link WanEventCounters}s
* for all distributed objects and a single WAN publisher.
*/
private static final class WanPublisherEventCounters {
private final WanEventCounters mapEventCounters = new WanEventCounters();
private final WanEventCounters cacheEventCounters = new WanEventCounters();
/**
* Removes the counter for the given {@code serviceName} and {@code dataStructureName}.
*/
void removeCounter(String serviceName, String dataStructureName) {
getWanEventCounter(serviceName).removeCounter(dataStructureName);
}
/**
* Returns the {@link WanEventCounters} for the given {@code serviceName}
*/
WanEventCounters getWanEventCounter(String serviceName) {
if (MapService.SERVICE_NAME.equals(serviceName)) {
return mapEventCounters;
} else if (CacheService.SERVICE_NAME.equals(serviceName)) {
return cacheEventCounters;
} else {
throw new IllegalArgumentException("Unsupported service for counting WAN events " + serviceName);
}
}
}
}