diff options
Diffstat (limited to 'subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/rewriters/NopTraceCollector.java')
-rw-r--r-- | subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/rewriters/NopTraceCollector.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/rewriters/NopTraceCollector.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/rewriters/NopTraceCollector.java new file mode 100644 index 00000000..15cf577e --- /dev/null +++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/rewriters/NopTraceCollector.java | |||
@@ -0,0 +1,68 @@ | |||
1 | /******************************************************************************* | ||
2 | * Copyright (c) 2010-2017, Grill Balázs, IncQueryLabs | ||
3 | * This program and the accompanying materials are made available under the | ||
4 | * terms of the Eclipse Public License v. 2.0 which is available at | ||
5 | * http://www.eclipse.org/legal/epl-v20.html. | ||
6 | * | ||
7 | * SPDX-License-Identifier: EPL-2.0 | ||
8 | *******************************************************************************/ | ||
9 | package tools.refinery.viatra.runtime.matchers.psystem.rewriters; | ||
10 | |||
11 | import java.util.stream.Stream; | ||
12 | |||
13 | import tools.refinery.viatra.runtime.matchers.psystem.PTraceable; | ||
14 | |||
15 | /** | ||
16 | * This implementation does not store any traces and scales to NOP for every traceability feature. | ||
17 | * @since 1.6 | ||
18 | * | ||
19 | */ | ||
20 | public class NopTraceCollector implements IRewriterTraceCollector { | ||
21 | |||
22 | public static final IRewriterTraceCollector INSTANCE = new NopTraceCollector(); | ||
23 | |||
24 | private NopTraceCollector() { | ||
25 | // Private constructor to force using the common instance | ||
26 | } | ||
27 | |||
28 | /** | ||
29 | * @since 2.0 | ||
30 | */ | ||
31 | @Override | ||
32 | public Stream<PTraceable> getCanonicalTraceables(PTraceable derivative) { | ||
33 | return Stream.empty(); | ||
34 | } | ||
35 | |||
36 | /** | ||
37 | * @since 2.0 | ||
38 | */ | ||
39 | @Override | ||
40 | public Stream<PTraceable> getRewrittenTraceables(PTraceable source) { | ||
41 | return Stream.empty(); | ||
42 | } | ||
43 | |||
44 | |||
45 | @Override | ||
46 | public void addTrace(PTraceable origin, PTraceable derivative) { | ||
47 | // ignored | ||
48 | } | ||
49 | |||
50 | @Override | ||
51 | public void derivativeRemoved(PTraceable derivative, IDerivativeModificationReason reason) { | ||
52 | // ignored | ||
53 | } | ||
54 | |||
55 | @Override | ||
56 | public boolean isRemoved(PTraceable traceable) { | ||
57 | return false; | ||
58 | } | ||
59 | |||
60 | /** | ||
61 | * @since 2.0 | ||
62 | */ | ||
63 | @Override | ||
64 | public Stream<IDerivativeModificationReason> getRemovalReasons(PTraceable traceable) { | ||
65 | return Stream.empty(); | ||
66 | } | ||
67 | |||
68 | } | ||