Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
StoreIncomingMessageIOCommand |
|
| 1.25;1.25 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, software | |
13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
15 | * See the License for the specific language governing permissions and | |
16 | * limitations under the License. | |
17 | */ | |
18 | ||
19 | package org.apache.giraph.ooc.command; | |
20 | ||
21 | import org.apache.giraph.ooc.OutOfCoreEngine; | |
22 | import org.apache.giraph.ooc.data.DiskBackedMessageStore; | |
23 | ||
24 | import java.io.IOException; | |
25 | ||
26 | import static com.google.common.base.Preconditions.checkState; | |
27 | ||
28 | /** | |
29 | * IOCommand to store incoming message of a particular partition. | |
30 | */ | |
31 | public class StoreIncomingMessageIOCommand extends IOCommand { | |
32 | /** | |
33 | * Constructor | |
34 | * | |
35 | * @param oocEngine out-of-core engine | |
36 | * @param partitionId id of the partition to store its incoming messages | |
37 | */ | |
38 | public StoreIncomingMessageIOCommand(OutOfCoreEngine oocEngine, | |
39 | int partitionId) { | |
40 | 0 | super(oocEngine, partitionId); |
41 | 0 | } |
42 | ||
43 | @Override | |
44 | public boolean execute() throws IOException { | |
45 | 0 | boolean executed = false; |
46 | 0 | if (oocEngine.getMetaPartitionManager() |
47 | 0 | .startOffloadingMessages(partitionId)) { |
48 | 0 | DiskBackedMessageStore messageStore = |
49 | (DiskBackedMessageStore) | |
50 | 0 | oocEngine.getServerData().getIncomingMessageStore(); |
51 | 0 | checkState(messageStore != null); |
52 | 0 | numBytesTransferred += |
53 | 0 | messageStore.offloadPartitionData(partitionId); |
54 | 0 | oocEngine.getMetaPartitionManager().doneOffloadingMessages(partitionId); |
55 | 0 | executed = true; |
56 | } | |
57 | 0 | return executed; |
58 | } | |
59 | ||
60 | @Override | |
61 | public IOCommandType getType() { | |
62 | 0 | return IOCommandType.STORE_MESSAGE; |
63 | } | |
64 | ||
65 | @Override | |
66 | public String toString() { | |
67 | 0 | return "StoreIncomingMessageIOCommand: (partitionId = " + partitionId + ")"; |
68 | } | |
69 | } |