com.hazelcast.client.impl.protocol.task.cache.CacheAddPartitionLostListenerMessageTask 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.client.impl.protocol.task.cache;
import com.hazelcast.cache.impl.CacheService;
import com.hazelcast.cache.impl.ICacheService;
import com.hazelcast.cache.impl.event.CachePartitionLostEventFilter;
import com.hazelcast.cache.impl.event.CachePartitionLostListener;
import com.hazelcast.cache.impl.event.InternalCachePartitionLostListenerAdapter;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.codec.CacheAddPartitionLostListenerCodec;
import com.hazelcast.client.impl.protocol.task.AbstractAddListenerMessageTask;
import com.hazelcast.instance.impl.Node;
import com.hazelcast.internal.nio.Connection;
import com.hazelcast.spi.impl.eventservice.EventFilter;
import com.hazelcast.spi.impl.eventservice.EventRegistration;
import com.hazelcast.spi.impl.eventservice.EventService;
import java.security.Permission;
import java.util.UUID;
import java.util.concurrent.CompletableFuture;
import static com.hazelcast.internal.util.ConcurrencyUtil.CALLER_RUNS;
import static com.hazelcast.spi.impl.InternalCompletableFuture.newCompletedFuture;
public class CacheAddPartitionLostListenerMessageTask
extends AbstractAddListenerMessageTask {
public CacheAddPartitionLostListenerMessageTask(ClientMessage clientMessage, Node node, Connection connection) {
super(clientMessage, node, connection);
}
@Override
protected CompletableFuture processInternal() {
CachePartitionLostListener listener = event -> {
if (endpoint.isAlive()) {
ClientMessage eventMessage = CacheAddPartitionLostListenerCodec
.encodeCachePartitionLostEvent(event.getPartitionId(), event.getMember().getUuid());
sendClientMessage(null, eventMessage);
}
};
InternalCachePartitionLostListenerAdapter listenerAdapter =
new InternalCachePartitionLostListenerAdapter(listener);
EventFilter filter = new CachePartitionLostEventFilter();
CacheService service = getService(CacheService.SERVICE_NAME);
EventService eventService = service.getNodeEngine().getEventService();
if (parameters.localOnly) {
return newCompletedFuture(
eventService.registerLocalListener(ICacheService.SERVICE_NAME, parameters.name, filter, listenerAdapter)
.getId());
}
return eventService.registerListenerAsync(ICacheService.SERVICE_NAME, parameters.name, filter, listenerAdapter)
.thenApplyAsync(EventRegistration::getId, CALLER_RUNS);
}
@Override
protected CacheAddPartitionLostListenerCodec.RequestParameters decodeClientMessage(ClientMessage clientMessage) {
return CacheAddPartitionLostListenerCodec.decodeRequest(clientMessage);
}
@Override
protected ClientMessage encodeResponse(Object response) {
return CacheAddPartitionLostListenerCodec.encodeResponse((UUID) response);
}
@Override
public String getServiceName() {
return CacheService.SERVICE_NAME;
}
@Override
public String getMethodName() {
return "addCachePartitionLostListener";
}
@Override
public Object[] getParameters() {
return null;
}
@Override
public Permission getRequiredPermission() {
return null;
}
@Override
public String getDistributedObjectName() {
return parameters.name;
}
}