X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fsal%2Fyang-prototype%2Fcode-generator%2Fyang-model-parser-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fyang%2Fparser%2Futil%2FTypeConstraints.java;h=4d2c5b582321c907860b801edeb57499a2ab9f6b;hb=refs%2Fchanges%2F66%2F566%2F1;hp=17307b46ee29f8aedc8a8dcc58e4113a1d9c84f2;hpb=316c30bf96a3a540154983657490ff2043458d25;p=controller.git

diff --git a/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/util/TypeConstraints.java b/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/util/TypeConstraints.java
index 17307b46ee..4d2c5b5823 100644
--- a/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/util/TypeConstraints.java
+++ b/opendaylight/sal/yang-prototype/code-generator/yang-model-parser-impl/src/main/java/org/opendaylight/controller/yang/parser/util/TypeConstraints.java
@@ -24,7 +24,7 @@ public final class TypeConstraints {
     private final int line;
     private final List<List<RangeConstraint>> ranges = new ArrayList<List<RangeConstraint>>();
     private final List<List<LengthConstraint>> lengths = new ArrayList<List<LengthConstraint>>();
-    private final List<PatternConstraint> patterns = new ArrayList<PatternConstraint>();
+    private final List<List<PatternConstraint>> patterns = new ArrayList<List<PatternConstraint>>();
     private final List<Integer> fractionDigits = new ArrayList<Integer>();
 
     public TypeConstraints(final String moduleName, final int line) {
@@ -195,11 +195,14 @@ public final class TypeConstraints {
     }
 
     public List<PatternConstraint> getPatterns() {
-        return patterns;
+        if(patterns.isEmpty()) {
+            return Collections.emptyList();
+        }
+        return patterns.get(0);
     }
 
     public void addPatterns(final List<PatternConstraint> patterns) {
-        this.patterns.addAll(patterns);
+        this.patterns.add(patterns);
     }
 
     public Integer getFractionDigits() {