com.hazelcast.multimap.impl.MultiMapEventsPublisher Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2018, 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.multimap.impl;
import com.hazelcast.core.EntryEventType;
import com.hazelcast.map.impl.event.EntryEventData;
import com.hazelcast.map.impl.event.MapEventData;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.EventRegistration;
import com.hazelcast.spi.EventService;
import com.hazelcast.spi.NodeEngine;
import java.util.Collection;
/**
* Publishes multimap entry and map events through eventService
*/
public class MultiMapEventsPublisher {
private final NodeEngine nodeEngine;
public MultiMapEventsPublisher(NodeEngine nodeEngine) {
this.nodeEngine = nodeEngine;
}
public void publishMultiMapEvent(String mapName, EntryEventType eventType, int numberOfEntriesAffected) {
EventService eventService = nodeEngine.getEventService();
Collection registrations = eventService.getRegistrations(MultiMapService.SERVICE_NAME, mapName);
if (registrations.isEmpty()) {
return;
}
Address caller = nodeEngine.getThisAddress();
String source = caller.toString();
MapEventData mapEventData = new MapEventData(source, mapName, caller, eventType.getType(), numberOfEntriesAffected);
eventService.publishEvent(MultiMapService.SERVICE_NAME, registrations, mapEventData, mapName.hashCode());
}
public final void publishEntryEvent(String multiMapName, EntryEventType eventType, Data key, Object newValue,
Object oldValue) {
EventService eventService = nodeEngine.getEventService();
Collection registrations = eventService.getRegistrations(MultiMapService.SERVICE_NAME, multiMapName);
for (EventRegistration registration : registrations) {
MultiMapEventFilter filter = (MultiMapEventFilter) registration.getFilter();
if (filter.getKey() == null || filter.getKey().equals(key)) {
Data dataNewValue = filter.isIncludeValue() ? nodeEngine.toData(newValue) : null;
Data dataOldValue = filter.isIncludeValue() ? nodeEngine.toData(oldValue) : null;
Address caller = nodeEngine.getThisAddress();
String source = caller.toString();
EntryEventData event = new EntryEventData(source, multiMapName, caller, key, dataNewValue, dataOldValue,
eventType.getType());
eventService.publishEvent(MultiMapService.SERVICE_NAME, registration, event, multiMapName.hashCode());
}
}
}
}