diff options
Diffstat (limited to 'language/src/main/java/org/eclipse/viatra/solver/language/conversion/UpperBoundValueConverter.java')
-rw-r--r-- | language/src/main/java/org/eclipse/viatra/solver/language/conversion/UpperBoundValueConverter.java | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/language/src/main/java/org/eclipse/viatra/solver/language/conversion/UpperBoundValueConverter.java b/language/src/main/java/org/eclipse/viatra/solver/language/conversion/UpperBoundValueConverter.java new file mode 100644 index 00000000..3111b69b --- /dev/null +++ b/language/src/main/java/org/eclipse/viatra/solver/language/conversion/UpperBoundValueConverter.java | |||
@@ -0,0 +1,35 @@ | |||
1 | package org.eclipse.viatra.solver.language.conversion; | ||
2 | |||
3 | import org.eclipse.xtext.conversion.ValueConverterException; | ||
4 | import org.eclipse.xtext.conversion.impl.AbstractValueConverter; | ||
5 | import org.eclipse.xtext.conversion.impl.INTValueConverter; | ||
6 | import org.eclipse.xtext.nodemodel.INode; | ||
7 | |||
8 | import com.google.inject.Inject; | ||
9 | import com.google.inject.Singleton; | ||
10 | |||
11 | @Singleton | ||
12 | public class UpperBoundValueConverter extends AbstractValueConverter<Integer> { | ||
13 | public static final String INFINITY = "*"; | ||
14 | |||
15 | @Inject | ||
16 | private INTValueConverter intValueConverter; | ||
17 | |||
18 | @Override | ||
19 | public Integer toValue(String string, INode node) throws ValueConverterException { | ||
20 | if (INFINITY.equals(string)) { | ||
21 | return -1; | ||
22 | } else { | ||
23 | return intValueConverter.toValue(string, node); | ||
24 | } | ||
25 | } | ||
26 | |||
27 | @Override | ||
28 | public String toString(Integer value) throws ValueConverterException { | ||
29 | if (value < 0) { | ||
30 | return INFINITY; | ||
31 | } else { | ||
32 | return intValueConverter.toString(value); | ||
33 | } | ||
34 | } | ||
35 | } | ||