com.hazelcast.cp.internal.datastructures.semaphore.client.AcquirePermitsMessageTask Maven / Gradle / Ivy
/*
* 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.cp.internal.datastructures.semaphore.client;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.codec.SemaphoreAcquireCodec;
import com.hazelcast.cp.internal.RaftOp;
import com.hazelcast.cp.internal.client.AbstractCPMessageTask;
import com.hazelcast.cp.internal.datastructures.semaphore.SemaphoreService;
import com.hazelcast.cp.internal.datastructures.semaphore.operation.AcquirePermitsOp;
import com.hazelcast.instance.impl.Node;
import com.hazelcast.internal.nio.Connection;
import com.hazelcast.security.permission.ActionConstants;
import com.hazelcast.security.permission.SemaphorePermission;
import java.security.Permission;
import java.util.concurrent.TimeUnit;
/**
* Client message task for {@link AcquirePermitsOp}
*/
public class AcquirePermitsMessageTask extends AbstractCPMessageTask {
public AcquirePermitsMessageTask(ClientMessage clientMessage, Node node, Connection connection) {
super(clientMessage, node, connection);
}
@Override
protected void processMessage() {
RaftOp op = new AcquirePermitsOp(parameters.name, parameters.sessionId, parameters.threadId, parameters.invocationUid,
parameters.permits, parameters.timeoutMs);
invoke(parameters.groupId, op);
}
@Override
protected SemaphoreAcquireCodec.RequestParameters decodeClientMessage(ClientMessage clientMessage) {
return SemaphoreAcquireCodec.decodeRequest(clientMessage);
}
@Override
protected ClientMessage encodeResponse(Object response) {
return SemaphoreAcquireCodec.encodeResponse((Boolean) response);
}
@Override
public String getServiceName() {
return SemaphoreService.SERVICE_NAME;
}
@Override
public Permission getRequiredPermission() {
return new SemaphorePermission(parameters.name, ActionConstants.ACTION_ACQUIRE);
}
@Override
public String getDistributedObjectName() {
return parameters.name;
}
@Override
public String getMethodName() {
return parameters.timeoutMs >= 0 ? "tryAcquire" : "acquire";
}
@Override
public Object[] getParameters() {
if (parameters.timeoutMs > 0) {
return new Object[]{parameters.permits, parameters.timeoutMs, TimeUnit.MILLISECONDS};
}
return new Object[]{parameters.permits};
}
}