diff options
Diffstat (limited to 'subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/IValueProvider.java')
-rw-r--r-- | subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/IValueProvider.java | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/IValueProvider.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/IValueProvider.java new file mode 100644 index 00000000..d959adc4 --- /dev/null +++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/psystem/IValueProvider.java | |||
@@ -0,0 +1,27 @@ | |||
1 | /******************************************************************************* | ||
2 | * Copyright (c) 2010-2013, Zoltan Ujhelyi, 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.matchers.psystem; | ||
10 | |||
11 | /** | ||
12 | * Helper interface to get values from a tuple of variables. All pattern matching engines are expected to implement this | ||
13 | * to handle their internal structures. | ||
14 | * | ||
15 | * @author Zoltan Ujhelyi | ||
16 | * | ||
17 | */ | ||
18 | public interface IValueProvider { | ||
19 | |||
20 | /** | ||
21 | * Returns the value of the selected variable | ||
22 | * @param variableName | ||
23 | * @return the value of the variable; never null | ||
24 | * @throws IllegalArgumentException if the variable is not defined | ||
25 | */ | ||
26 | Object getValue(String variableName); | ||
27 | } | ||