diff options
Diffstat (limited to 'subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/tuple/FlatTuple.java')
-rw-r--r-- | subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/tuple/FlatTuple.java | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/tuple/FlatTuple.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/tuple/FlatTuple.java new file mode 100644 index 00000000..8bbb0ac2 --- /dev/null +++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/tuple/FlatTuple.java | |||
@@ -0,0 +1,60 @@ | |||
1 | /******************************************************************************* | ||
2 | * Copyright (c) 2004-2008 Gabor Bergmann 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 | |||
10 | package tools.refinery.viatra.runtime.matchers.tuple; | ||
11 | |||
12 | import java.util.Arrays; | ||
13 | |||
14 | /** | ||
15 | * Default Tuple implementation, with statically unknown arity. | ||
16 | * @author Gabor Bergmann | ||
17 | */ | ||
18 | public final class FlatTuple extends BaseFlatTuple { | ||
19 | |||
20 | /** | ||
21 | * Array of substituted values. DO NOT MODIFY! Use Constructor to build a new instance instead. | ||
22 | */ | ||
23 | private final Object[] elements; | ||
24 | |||
25 | /** | ||
26 | * Creates a FlatTuple instance, fills it with the given array. | ||
27 | * <p> Users should consider calling {@link Tuples#flatTupleOf(Object...)} instead to save memory on low-arity tuples. | ||
28 | * | ||
29 | * @param elements | ||
30 | * array of substitution values | ||
31 | */ | ||
32 | protected FlatTuple(Object... elements) { | ||
33 | this.elements = Arrays.copyOf(elements, elements.length); | ||
34 | calcHash(); | ||
35 | } | ||
36 | |||
37 | @Override | ||
38 | public Object get(int index) { | ||
39 | return elements[index]; | ||
40 | } | ||
41 | |||
42 | @Override | ||
43 | public int getSize() { | ||
44 | return elements.length; | ||
45 | } | ||
46 | |||
47 | @Override | ||
48 | public Object[] getElements() { | ||
49 | return elements; | ||
50 | } | ||
51 | |||
52 | @Override | ||
53 | protected boolean internalEquals(ITuple other) { | ||
54 | if (other instanceof FlatTuple) { | ||
55 | return Arrays.equals(elements, ((FlatTuple) other).elements); | ||
56 | } else | ||
57 | return super.internalEquals(other); | ||
58 | } | ||
59 | |||
60 | } | ||