BUG-4688: eliminate SimpleDateFormatUtil.DEFAULT_DATE_REV

[yangtools.git] / yang / yang-model-util / src / main / java / org / opendaylight / yangtools / yang / model / util / AbstractSchemaContext.java

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/AbstractSchemaContext.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/AbstractSchemaContext.java
index 6f3cc009fd4942fffad1cbfbd6c5971409b741a4..076d2d0ef877f2f21efa10e758fd152c48df73b1 100644 (file)
--- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/AbstractSchemaContext.java
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/AbstractSchemaContext.java
@@ -40,11 +40,11 @@ import org.opendaylight.yangtools.yang.model.api.UsesNode;
 
 public abstract class AbstractSchemaContext implements SchemaContext {
     protected static final Comparator<Module> REVISION_COMPARATOR = (o1, o2) -> {
-        if (o2.getRevision() == null) {
-            return -1;
+        if (o1.getRevision() == null) {
+            return o2.getRevision() == null ? 0 : 1;
         }
 
-        return o2.getRevision().compareTo(o1.getRevision());
+        return o2.getRevision() == null ? -1 : o2.getRevision().compareTo(o1.getRevision());
     };
 
     protected static final TreeSet<Module> createModuleSet() {