/*
* Copyright (c) 2008-2013, 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.lock.client;
import com.hazelcast.client.impl.client.KeyBasedClientRequest;
import com.hazelcast.client.impl.client.SecureRequest;
import com.hazelcast.concurrent.lock.LockService;
import com.hazelcast.concurrent.lock.operations.LockOperation;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.Portable;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.spi.ObjectNamespace;
import com.hazelcast.spi.Operation;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
public abstract class AbstractLockRequest extends KeyBasedClientRequest
implements Portable, SecureRequest {
protected Data key;
protected long threadId;
protected long ttl = -1;
protected long timeout = -1;
public AbstractLockRequest() {
}
public AbstractLockRequest(Data key, long threadId) {
this.key = key;
this.threadId = threadId;
}
public AbstractLockRequest(Data key, long threadId, long ttl, long timeout) {
this.key = key;
this.threadId = threadId;
this.ttl = ttl;
this.timeout = timeout;
}
protected String getName() {
return serializationService.toObject(key);
}
@Override
protected final Operation prepareOperation() {
return new LockOperation(getNamespace(), key, threadId, ttl, timeout);
}
@Override
protected final Object getKey() {
return key;
}
protected abstract ObjectNamespace getNamespace();
@Override
public final String getServiceName() {
return LockService.SERVICE_NAME;
}
@Override
public void write(PortableWriter writer) throws IOException {
writer.writeLong("tid", threadId);
writer.writeLong("ttl", ttl);
writer.writeLong("timeout", timeout);
ObjectDataOutput out = writer.getRawDataOutput();
out.writeData(key);
}
@Override
public void read(PortableReader reader) throws IOException {
threadId = reader.readLong("tid");
ttl = reader.readLong("ttl");
timeout = reader.readLong("timeout");
ObjectDataInput in = reader.getRawDataInput();
key = in.readData();
}
@Override
public String getDistributedObjectName() {
return serializationService.toObject(key);
}
@Override
public String getMethodName() {
if (timeout == -1) {
return "lock";
}
return "tryLock";
}
@Override
public Object[] getParameters() {
if ((ttl == -1 && timeout == -1) || timeout == 0) {
return new Object[]{key};
} else if (timeout == -1) {
return new Object[]{key, ttl, TimeUnit.MILLISECONDS};
}
return new Object[]{key, timeout, TimeUnit.MILLISECONDS};
}
}