/*
* 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.replicatedmap.impl.client;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.replicatedmap.impl.record.ReplicatedRecord;
import com.hazelcast.replicatedmap.impl.record.ReplicatedRecordStore;
import com.hazelcast.security.permission.ActionConstants;
import com.hazelcast.security.permission.ReplicatedMapPermission;
import java.io.IOException;
import java.security.Permission;
/**
* Client request class for {@link java.util.Map#get(Object)} implementation
*/
public class ClientReplicatedMapGetRequest
extends AbstractReplicatedMapClientRequest {
private Object key;
ClientReplicatedMapGetRequest() {
super(null);
}
public ClientReplicatedMapGetRequest(String mapName, Object key) {
super(mapName);
this.key = key;
}
@Override
public Object call()
throws Exception {
ReplicatedRecordStore recordStore = getReplicatedRecordStore();
ReplicatedRecord record = recordStore.getReplicatedRecord(key);
Object value = null;
long ttl = 0;
long updateTime = 0;
if (record != null) {
value = recordStore.unmarshallValue(record.getValue());
ttl = record.getTtlMillis();
updateTime = record.getUpdateTime();
}
return new ReplicatedMapGetResponse(value, ttl, updateTime);
}
@Override
public void write(PortableWriter writer)
throws IOException {
super.write(writer);
ObjectDataOutput out = writer.getRawDataOutput();
out.writeObject(key);
}
@Override
public void read(PortableReader reader)
throws IOException {
super.read(reader);
ObjectDataInput in = reader.getRawDataInput();
key = in.readObject();
}
@Override
public int getClassId() {
return ReplicatedMapPortableHook.GET;
}
@Override
public Permission getRequiredPermission() {
return new ReplicatedMapPermission(getMapName(), ActionConstants.ACTION_READ);
}
@Override
public String getMethodName() {
return "get";
}
@Override
public Object[] getParameters() {
return new Object[]{key};
}
}