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104 changes: 104 additions & 0 deletions
104
hazelcast/src/main/java/com/hazelcast/map/ClearBackupOperation.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package com.hazelcast.map; | ||
|
|
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| import com.hazelcast.nio.ObjectDataInput; | ||
| import com.hazelcast.nio.ObjectDataOutput; | ||
| import com.hazelcast.nio.serialization.Data; | ||
| import com.hazelcast.nio.serialization.DataSerializable; | ||
| import com.hazelcast.nio.serialization.IdentifiedDataSerializable; | ||
| import com.hazelcast.spi.BackupAwareOperation; | ||
| import com.hazelcast.spi.BackupOperation; | ||
| import com.hazelcast.spi.Operation; | ||
| import com.hazelcast.spi.PartitionLevelOperation; | ||
| import com.hazelcast.spi.impl.AbstractNamedOperation; | ||
|
|
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| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
|
|
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| public class ClearBackupOperation extends AbstractNamedOperation implements BackupOperation, DataSerializable { | ||
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| Set<Data> keys; | ||
| MapService mapService; | ||
| RecordStore recordStore; | ||
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| public ClearBackupOperation(String name, Set<Data> keys) { | ||
| super(name); | ||
| this.keys = keys; | ||
| } | ||
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| public ClearBackupOperation() { | ||
| } | ||
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| @Override | ||
| public void beforeRun() throws Exception { | ||
| mapService = getService(); | ||
| recordStore = mapService.getRecordStore(getPartitionId(), name); | ||
| } | ||
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| public void run() { | ||
| if (keys == null) { | ||
| recordStore.removeAll(); | ||
| return; | ||
| } | ||
| for (Data key : keys) { | ||
| if (!recordStore.getLocks().containsKey(key)) | ||
| recordStore.remove(key); | ||
| } | ||
| } | ||
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| @Override | ||
| protected void writeInternal(ObjectDataOutput out) throws IOException { | ||
| super.writeInternal(out); | ||
| out.writeUTF(name); | ||
| if (keys == null) | ||
| out.writeInt(-1); | ||
| else { | ||
| out.writeInt(keys.size()); | ||
| for (Data key : keys) { | ||
| key.writeData(out); | ||
| } | ||
| } | ||
| } | ||
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| @Override | ||
| protected void readInternal(ObjectDataInput in) throws IOException { | ||
| super.readInternal(in); | ||
| name = in.readUTF(); | ||
| int size = in.readInt(); | ||
| if(size > -1) { | ||
| keys = new HashSet<Data>(size); | ||
| for (int i = 0; i < size; i++) { | ||
| Data data = new Data(); | ||
| data.readData(in); | ||
| keys.add(data); | ||
| } | ||
| } | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "ClearBackupOperation{" + | ||
| '}'; | ||
| } | ||
|
|
||
| } |
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