Migrate input/output statements

[yangtools.git] / yang / yang-model-api / src / main / java / org / opendaylight / yangtools / yang / model / api / stmt / UniqueStatement.java

diff --git a/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/stmt/UniqueStatement.java b/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/stmt/UniqueStatement.java
index 726b08419faf0970764bca293eb699b889bb8ed3..774418028366db0b516fd00839633ccee78538d2 100644 (file)
--- a/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/stmt/UniqueStatement.java
+++ b/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/stmt/UniqueStatement.java
@@ -7,12 +7,17 @@
  */
 package org.opendaylight.yangtools.yang.model.api.stmt;
 
-import java.util.Collection;
-import javax.annotation.Nonnull;
+import static com.google.common.base.Verify.verifyNotNull;
+
+import java.util.Set;
 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Relative;
 
-public interface UniqueStatement extends DeclaredStatement<Collection<SchemaNodeIdentifier.Relative>> {
+public interface UniqueStatement extends DeclaredStatement<Set<SchemaNodeIdentifier.Relative>> {
 
-    @Nonnull Collection<SchemaNodeIdentifier.Relative> getTag();
+    default Set<Relative> getTag() {
+        // FIXME: YANGTOOLS-908: verifyNotNull() should not be needed here
+        return verifyNotNull(argument());
+    }
 }