com.hazelcast.web.entryprocessor.GetAttributeNamesEntryProcessor 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.web.entryprocessor;
import com.hazelcast.map.EntryBackupProcessor;
import com.hazelcast.map.EntryProcessor;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.web.SessionState;
import com.hazelcast.web.WebDataSerializerHook;
import java.io.IOException;
import java.util.HashSet;
import java.util.Map;
/**
* Entry processor which return attributes keySet of SessionState values
*/
public final class GetAttributeNamesEntryProcessor implements EntryProcessor,
IdentifiedDataSerializable {
public GetAttributeNamesEntryProcessor() {
}
@Override
public int getFactoryId() {
return WebDataSerializerHook.F_ID;
}
@Override
public int getId() {
return WebDataSerializerHook.GET_ATTRIBUTE_NAMES;
}
@Override
public Object process(Map.Entry entry) {
SessionState sessionState = entry.getValue();
if (sessionState == null) {
return null;
}
entry.setValue(sessionState);
return new HashSet(sessionState.getAttributes().keySet());
}
@Override
public EntryBackupProcessor getBackupProcessor() {
return null;
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
}
@Override
public void readData(ObjectDataInput in) throws IOException {
}
}
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