/*
* 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.queue.client;
import com.hazelcast.client.ClientEndpoint;
import com.hazelcast.client.SecureRequest;
import com.hazelcast.client.txn.BaseTransactionRequest;
import com.hazelcast.core.TransactionalQueue;
import com.hazelcast.nio.serialization.Portable;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.queue.QueuePortableHook;
import com.hazelcast.queue.QueueService;
import com.hazelcast.security.permission.ActionConstants;
import com.hazelcast.security.permission.QueuePermission;
import com.hazelcast.transaction.TransactionContext;
import java.io.IOException;
import java.security.Permission;
import java.util.concurrent.TimeUnit;
/**
* @author ali 6/7/13
*/
public class TxnPollRequest extends BaseTransactionRequest implements Portable, SecureRequest {
String name;
long timeout;
public TxnPollRequest() {
}
public TxnPollRequest(String name, long timeout) {
this.name = name;
this.timeout = timeout;
}
public Object innerCall() throws Exception {
final ClientEndpoint endpoint = getEndpoint();
final TransactionContext context = endpoint.getTransactionContext(txnId);
final TransactionalQueue queue = context.getQueue(name);
return queue.poll(timeout, TimeUnit.MILLISECONDS);
}
public String getServiceName() {
return QueueService.SERVICE_NAME;
}
public int getFactoryId() {
return QueuePortableHook.F_ID;
}
public int getClassId() {
return QueuePortableHook.TXN_POLL;
}
public void write(PortableWriter writer) throws IOException {
super.write(writer);
writer.writeUTF("n",name);
writer.writeLong("t",timeout);
}
public void read(PortableReader reader) throws IOException {
super.read(reader);
name = reader.readUTF("n");
timeout = reader.readLong("t");
}
public Permission getRequiredPermission() {
return new QueuePermission(name, ActionConstants.ACTION_REMOVE);
}
}