/*
* 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.nio.serialization.Data;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.queue.DrainOperation;
import com.hazelcast.queue.QueuePortableHook;
import com.hazelcast.security.permission.ActionConstants;
import com.hazelcast.security.permission.QueuePermission;
import com.hazelcast.spi.impl.PortableCollection;
import com.hazelcast.spi.impl.SerializableCollection;
import com.hazelcast.spi.Operation;
import java.io.IOException;
import java.security.Permission;
import java.util.Collection;
/**
* @author ali 5/8/13
*/
public class DrainRequest extends QueueRequest {
int maxSize;
public DrainRequest() {
}
public DrainRequest(String name, int maxSize) {
super(name);
this.maxSize = maxSize;
}
protected Operation prepareOperation() {
return new DrainOperation(name, maxSize);
}
public int getClassId() {
return QueuePortableHook.DRAIN;
}
protected Object filter(Object response) {
if (response instanceof SerializableCollection){
Collection<Data> coll = ((SerializableCollection) response).getCollection();
return new PortableCollection(coll);
}
return super.filter(response);
}
public void write(PortableWriter writer) throws IOException {
super.write(writer);
writer.writeInt("m",maxSize);
}
public void read(PortableReader reader) throws IOException {
super.read(reader);
maxSize = reader.readInt("m");
}
public Permission getRequiredPermission() {
return new QueuePermission(name, ActionConstants.ACTION_REMOVE);
}
}