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MapDestroyCacheMessageTask.java
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MapDestroyCacheMessageTask.java
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/*
* Copyright (c) 2008-2021, 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.map;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.codec.ContinuousQueryDestroyCacheCodec;
import com.hazelcast.client.impl.protocol.task.AbstractMultiTargetMessageTask;
import com.hazelcast.cluster.Member;
import com.hazelcast.instance.impl.Node;
import com.hazelcast.internal.nio.Connection;
import com.hazelcast.map.impl.querycache.subscriber.operation.DestroyQueryCacheOperation;
import com.hazelcast.security.permission.ActionConstants;
import com.hazelcast.security.permission.MapPermission;
import com.hazelcast.spi.impl.operationservice.Operation;
import java.security.Permission;
import java.util.Collection;
import java.util.Map;
import java.util.function.Supplier;
import static com.hazelcast.map.impl.MapService.SERVICE_NAME;
/**
* Client Protocol Task for handling messages with type ID:
* {@link com.hazelcast.client.impl.protocol.codec.ContinuousQueryDestroyCacheCodec#REQUEST_MESSAGE_TYPE}
*/
public class MapDestroyCacheMessageTask
extends AbstractMultiTargetMessageTask<ContinuousQueryDestroyCacheCodec.RequestParameters>
implements Supplier<Operation> {
public MapDestroyCacheMessageTask(ClientMessage clientMessage, Node node, Connection connection) {
super(clientMessage, node, connection);
}
@Override
protected Supplier<Operation> createOperationSupplier() {
return this;
}
@Override
protected Object reduce(Map<Member, Object> map) throws Throwable {
return !map.values().contains(Boolean.FALSE);
}
@Override
public Collection<Member> getTargets() {
return clientEngine.getClusterService().getMembers();
}
@Override
protected ContinuousQueryDestroyCacheCodec.RequestParameters decodeClientMessage(ClientMessage clientMessage) {
return ContinuousQueryDestroyCacheCodec.decodeRequest(clientMessage);
}
@Override
protected ClientMessage encodeResponse(Object response) {
return ContinuousQueryDestroyCacheCodec.encodeResponse((Boolean) response);
}
@Override
public String getServiceName() {
return SERVICE_NAME;
}
@Override
public Permission getRequiredPermission() {
return new MapPermission(parameters.mapName, ActionConstants.ACTION_DESTROY);
}
@Override
public String getDistributedObjectName() {
return null;
}
@Override
public String getMethodName() {
return null;
}
@Override
public Object[] getParameters() {
return null;
}
@Override
public Operation get() {
DestroyQueryCacheOperation operation = new DestroyQueryCacheOperation(parameters.mapName, parameters.cacheName);
operation.setCallerUuid(endpoint.getUuid());
return operation;
}
}