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author | Kristóf Marussy <marussy@mit.bme.hu> | 2023-09-14 19:29:36 +0200 |
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committer | GitHub <noreply@github.com> | 2023-09-14 19:29:36 +0200 |
commit | 98ed3b6db5f4e51961a161050cc31c66015116e8 (patch) | |
tree | 8bfd6d9bc8d6ed23b9eb0f889dd40b6c24fe8f92 /subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/communication/Timestamp.java | |
parent | Merge pull request #38 from nagilooh/design-space-exploration (diff) | |
parent | Merge remote-tracking branch 'upstream/main' into partial-interpretation (diff) | |
download | refinery-98ed3b6db5f4e51961a161050cc31c66015116e8.tar.gz refinery-98ed3b6db5f4e51961a161050cc31c66015116e8.tar.zst refinery-98ed3b6db5f4e51961a161050cc31c66015116e8.zip |
Merge pull request #39 from kris7t/partial-interpretation
Implement partial interpretation based model generation
Diffstat (limited to 'subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/communication/Timestamp.java')
-rw-r--r-- | subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/communication/Timestamp.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/communication/Timestamp.java b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/communication/Timestamp.java new file mode 100644 index 00000000..a50a63a8 --- /dev/null +++ b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/communication/Timestamp.java | |||
@@ -0,0 +1,124 @@ | |||
1 | /******************************************************************************* | ||
2 | * Copyright (c) 2010-2018, Tamas Szabo, Istvan Rath and Daniel Varro | ||
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.rete.network.communication; | ||
10 | |||
11 | import java.util.AbstractMap; | ||
12 | import java.util.Collection; | ||
13 | import java.util.Map; | ||
14 | import java.util.Set; | ||
15 | |||
16 | import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline; | ||
17 | import tools.refinery.viatra.runtime.matchers.util.timeline.Timelines; | ||
18 | |||
19 | /** | ||
20 | * A timestamp associated with update messages in timely evaluation. | ||
21 | * | ||
22 | * @author Tamas Szabo | ||
23 | * @since 2.3 | ||
24 | */ | ||
25 | public class Timestamp implements Comparable<Timestamp>, MessageSelector { | ||
26 | |||
27 | protected final int value; | ||
28 | public static final Timestamp ZERO = new Timestamp(0); | ||
29 | /** | ||
30 | * @since 2.4 | ||
31 | */ | ||
32 | public static final Timeline<Timestamp> INSERT_AT_ZERO_TIMELINE = Timelines.createFrom(Timestamp.ZERO); | ||
33 | |||
34 | public Timestamp(final int value) { | ||
35 | this.value = value; | ||
36 | } | ||
37 | |||
38 | public int getValue() { | ||
39 | return value; | ||
40 | } | ||
41 | |||
42 | public Timestamp max(final Timestamp that) { | ||
43 | if (this.value >= that.value) { | ||
44 | return this; | ||
45 | } else { | ||
46 | return that; | ||
47 | } | ||
48 | } | ||
49 | |||
50 | /** | ||
51 | * @since 2.4 | ||
52 | */ | ||
53 | public Timestamp min(final Timestamp that) { | ||
54 | if (this.value <= that.value) { | ||
55 | return this; | ||
56 | } else { | ||
57 | return that; | ||
58 | } | ||
59 | } | ||
60 | |||
61 | @Override | ||
62 | public int compareTo(final Timestamp that) { | ||
63 | return this.value - that.value; | ||
64 | } | ||
65 | |||
66 | @Override | ||
67 | public boolean equals(final Object obj) { | ||
68 | if (obj == null || !(obj instanceof Timestamp)) { | ||
69 | return false; | ||
70 | } else { | ||
71 | return this.value == ((Timestamp) obj).value; | ||
72 | } | ||
73 | } | ||
74 | |||
75 | @Override | ||
76 | public int hashCode() { | ||
77 | return this.value; | ||
78 | } | ||
79 | |||
80 | @Override | ||
81 | public String toString() { | ||
82 | return Integer.toString(this.value); | ||
83 | } | ||
84 | |||
85 | /** | ||
86 | * A {@link Map} implementation that associates the zero timestamp with every key. There is no suppor for | ||
87 | * {@link Map#entrySet()} due to performance reasons. | ||
88 | * | ||
89 | * @author Tamas Szabo | ||
90 | */ | ||
91 | public static final class AllZeroMap<T> extends AbstractMap<T, Timeline<Timestamp>> { | ||
92 | |||
93 | private final Collection<T> wrapped; | ||
94 | |||
95 | public AllZeroMap(Set<T> wrapped) { | ||
96 | this.wrapped = wrapped; | ||
97 | } | ||
98 | |||
99 | @Override | ||
100 | public Set<Entry<T, Timeline<Timestamp>>> entrySet() { | ||
101 | throw new UnsupportedOperationException("Use the combination of keySet() and get()!"); | ||
102 | } | ||
103 | |||
104 | /** | ||
105 | * @since 2.4 | ||
106 | */ | ||
107 | @Override | ||
108 | public Timeline<Timestamp> get(final Object key) { | ||
109 | return INSERT_AT_ZERO_TIMELINE; | ||
110 | } | ||
111 | |||
112 | @Override | ||
113 | public Set<T> keySet() { | ||
114 | return (Set<T>) this.wrapped; | ||
115 | } | ||
116 | |||
117 | @Override | ||
118 | public String toString() { | ||
119 | return this.getClass().getSimpleName() + ": " + this.keySet().toString(); | ||
120 | } | ||
121 | |||
122 | } | ||
123 | |||
124 | } | ||