blob: 80644b1f9095ba307439f73fdf3889f7fedfe9a5 (
plain) (
blame)
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
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.language.semantics.model.internal;
import tools.refinery.store.map.Cursor;
import tools.refinery.store.map.Cursors;
import tools.refinery.store.representation.TruthValue;
import tools.refinery.store.tuple.Tuple;
class NullaryMutableSeed implements MutableSeed<TruthValue> {
private DecisionTreeValue value;
public NullaryMutableSeed(TruthValue reducedValue) {
value = DecisionTreeValue.fromTruthValue(reducedValue);
}
@Override
public int arity() {
return 0;
}
@Override
public Class<TruthValue> valueType() {
return TruthValue.class;
}
@Override
public TruthValue reducedValue() {
return value.getTruthValue();
}
@Override
public TruthValue get(Tuple key) {
validateKey(key);
return reducedValue();
}
private static void validateKey(Tuple key) {
if (key.getSize() > 0) {
throw new IllegalArgumentException("Invalid key: " + key);
}
}
@Override
public Cursor<Tuple, TruthValue> getCursor(TruthValue defaultValue, int nodeCount) {
if (value == DecisionTreeValue.UNSET || value.getTruthValue() == defaultValue) {
return Cursors.empty();
}
return Cursors.singleton(Tuple.of(), value.getTruthValue());
}
@Override
public void mergeValue(Tuple tuple, TruthValue value) {
this.value = DecisionTreeValue.fromTruthValue(this.value.merge(value));
}
@Override
public void setIfMissing(Tuple tuple, TruthValue value) {
validateKey(tuple);
setAllMissing(value);
}
@Override
public void setAllMissing(TruthValue value) {
if (this.value == DecisionTreeValue.UNSET) {
this.value = DecisionTreeValue.fromTruthValue(value);
}
}
@Override
public void overwriteValues(MutableSeed<TruthValue> other) {
if (!(other instanceof NullaryMutableSeed nullaryMutableSeed)) {
throw new IllegalArgumentException("Incompatible overwrite: " + other);
}
if (nullaryMutableSeed.value != DecisionTreeValue.UNSET) {
value = nullaryMutableSeed.value;
}
}
}
|
