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com.hazelcast.concurrent.semaphore.client.AcquireRequest Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, 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.concurrent.semaphore.client;
import com.hazelcast.concurrent.semaphore.operations.AcquireOperation;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.security.permission.ActionConstants;
import com.hazelcast.security.permission.SemaphorePermission;
import com.hazelcast.spi.Operation;
import java.io.IOException;
import java.security.Permission;
import java.util.concurrent.TimeUnit;
public class AcquireRequest extends SemaphoreRequest {
private long timeout = -1;
public AcquireRequest() {
}
public AcquireRequest(String name, int permitCount, long timeout) {
super(name, permitCount);
this.timeout = timeout;
}
public AcquireRequest(String name, int permitCount) {
super(name, permitCount);
}
public AcquireRequest(String name) {
super(name, 1);
}
@Override
protected Operation prepareOperation() {
return new AcquireOperation(name, permitCount, timeout);
}
@Override
public int getClassId() {
return SemaphorePortableHook.ACQUIRE;
}
@Override
public void write(PortableWriter writer) throws IOException {
super.write(writer);
writer.writeLong("t", timeout);
}
@Override
public void read(PortableReader reader) throws IOException {
super.read(reader);
timeout = reader.readLong("t");
}
@Override
public Permission getRequiredPermission() {
return new SemaphorePermission(name, ActionConstants.ACTION_ACQUIRE);
}
@Override
public String getMethodName() {
if (timeout != -1) {
return "tryAcquire";
}
return "acquire";
}
@Override
public Object[] getParameters() {
if (timeout > 0) {
//tryAcquire(permit, timeout, TimeUnit)
return new Object[]{permitCount, timeout, TimeUnit.MILLISECONDS};
}
// acquire(permit), tryAcquire(permit)
return super.getParameters();
}
}
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