Cleanup use of Guava library

[yangtools.git] / yang / yang-data-impl / src / main / java / org / opendaylight / yangtools / yang / data / impl / schema / tree / OrderedMapModificationStrategy.java

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/OrderedMapModificationStrategy.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/OrderedMapModificationStrategy.java
index d3e262e619a91d043717d2660abce191ef5b47a5..67b3ce6fe5e08ab17328d9aee31bd411add44b24 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/OrderedMapModificationStrategy.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/OrderedMapModificationStrategy.java
@@ -10,8 +10,9 @@ package org.opendaylight.yangtools.yang.data.impl.schema.tree;
 
 import static com.google.common.base.Preconditions.checkArgument;
 
-import com.google.common.base.Optional;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import java.util.Optional;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
@@ -47,11 +48,8 @@ final class OrderedMapModificationStrategy extends AbstractNodeContainerModifica
     }
 
     @Override
-    public Optional<ModificationApplyOperation> getChild(final YangInstanceIdentifier.PathArgument identifier) {
-        if (identifier instanceof YangInstanceIdentifier.NodeIdentifierWithPredicates) {
-            return entryStrategy;
-        }
-        return Optional.absent();
+    public Optional<ModificationApplyOperation> getChild(final PathArgument identifier) {
+        return identifier instanceof NodeIdentifierWithPredicates ? entryStrategy : Optional.empty();
     }
 
     @Override