/*
* 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.map.operation;
import com.hazelcast.map.EntryBackupProcessor;
import com.hazelcast.map.record.Record;
import com.hazelcast.map.RecordStore;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.query.Predicate;
import com.hazelcast.query.impl.QueryEntry;
import com.hazelcast.spi.BackupOperation;
import com.hazelcast.spi.PartitionAwareOperation;
import java.io.IOException;
import java.util.AbstractMap;
import java.util.Map;
public class PartitionWideEntryBackupOperation extends AbstractMapOperation implements BackupOperation, PartitionAwareOperation {
EntryBackupProcessor entryProcessor;
public PartitionWideEntryBackupOperation(String name, EntryBackupProcessor entryProcessor) {
super(name);
this.entryProcessor = entryProcessor;
}
public PartitionWideEntryBackupOperation() {
}
public void run() {
Map.Entry entry;
RecordStore recordStore = mapService.getRecordStore(getPartitionId(), name);
Map<Data, Record> records = recordStore.getReadonlyRecordMap();
for (Map.Entry<Data, Record> recordEntry : records.entrySet()) {
Data dataKey = recordEntry.getKey();
Record record = recordEntry.getValue();
Object objectKey = mapService.toObject(record.getKey());
Object valueBeforeProcess = mapService.toObject(record.getValue());
if (getPredicate() != null) {
QueryEntry queryEntry = new QueryEntry(getNodeEngine().getSerializationService(), dataKey, objectKey, valueBeforeProcess);
if (!getPredicate().apply(queryEntry)) {
continue;
}
}
entry = new AbstractMap.SimpleEntry(objectKey, valueBeforeProcess);
entryProcessor.processBackup(entry);
if (entry.getValue() == null){
recordStore.remove(dataKey);
} else {
recordStore.putBackup(dataKey, entry.getValue());
}
}
}
@Override
public boolean returnsResponse() {
return true;
}
protected Predicate getPredicate() {
return null;
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
entryProcessor = in.readObject();
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeObject(entryProcessor);
}
@Override
public Object getResponse() {
return true;
}
@Override
public String toString() {
return "PartitionWideEntryBackupOperation{}";
}
}