/
MigrateAction2AtomicActions.java
70 lines (57 loc) · 3 KB
/
MigrateAction2AtomicActions.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
/***************************************************************************
* Copyright (C) 2018 iObserve Project (https://www.iobserve-devops.net)
*
* 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 org.iobserve.adaptation.stages.transformations;
import java.util.ArrayList;
import java.util.List;
import org.iobserve.adaptation.executionplan.AtomicAction;
import org.iobserve.adaptation.executionplan.AtomicActionFactory;
import org.iobserve.planning.systemadaptation.MigrateAction;
/**
* Creates the necessary atomic actions to execute a migration.
*
* @author Lars Bluemke
*
*/
public class MigrateAction2AtomicActions implements IComposed2AtomicAction<MigrateAction> {
@Override
public List<AtomicAction> transform(final MigrateAction migrateAction) {
final List<AtomicAction> atomicActions = new ArrayList<>();
// Deploy new component instance
atomicActions
.add(AtomicActionFactory.generateDeployComponentAction(migrateAction.getTargetAllocationContext()));
// Migrate state
atomicActions.add(AtomicActionFactory.generateMigrateComponentStateAction(
migrateAction.getSourceAllocationContext(), migrateAction.getTargetAllocationContext()));
// Connect replication
atomicActions.add(AtomicActionFactory.generateConnectComponentAction(migrateAction.getTargetAllocationContext(),
migrateAction.getTargetProvidingAllocationContexts(),
migrateAction.getTargetRequiringAllocationContexts()));
// Block incoming requests
atomicActions.add(AtomicActionFactory.generateBlockRequestsToComponentAction(
migrateAction.getSourceAllocationContext(), migrateAction.getSourceRequiringAllocationContexts()));
// Finish running transactions
atomicActions
.add(AtomicActionFactory.generateFinishComponentAction(migrateAction.getSourceAllocationContext()));
// Disconnect component instance
atomicActions.add(AtomicActionFactory.generateDisconnectComponentAction(
migrateAction.getSourceAllocationContext(), migrateAction.getSourceProvidingAllocationContexts(),
migrateAction.getSourceRequiringAllocationContexts()));
// Undeploy component instance
atomicActions
.add(AtomicActionFactory.generateUndeployComponentAction(migrateAction.getSourceAllocationContext()));
return atomicActions;
}
}