Use Objects.hashCode()

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

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/PatternConstraintImpl.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/PatternConstraintImpl.java
index 8ab67a7636c02d72813cbc7dacea29b4de6fe2bc..d6701648a5f9a909de9d38272f53e2ba954b9939 100644 (file)
--- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/PatternConstraintImpl.java
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/PatternConstraintImpl.java
@@ -7,11 +7,11 @@
  */
 package org.opendaylight.yangtools.yang.model.util;
 
-import org.opendaylight.yangtools.concepts.Immutable;
-import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
-
 import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
+import java.util.Objects;
+import org.opendaylight.yangtools.concepts.Immutable;
+import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
 
 /**
  * {@link Immutable} implementation of {@link PatternConstraint}
@@ -76,10 +76,10 @@ final class PatternConstraintImpl implements PatternConstraint, Immutable {
     public int hashCode() {
         final int prime = 31;
         int result = 1;
-        result = prime * result + ((description == null) ? 0 : description.hashCode());
-        result = prime * result + ((errorAppTag == null) ? 0 : errorAppTag.hashCode());
-        result = prime * result + ((errorMessage == null) ? 0 : errorMessage.hashCode());
-        result = prime * result + ((reference == null) ? 0 : reference.hashCode());
+        result = prime * result + Objects.hashCode(description);
+        result = prime * result + Objects.hashCode(errorAppTag);
+        result = prime * result + Objects.hashCode(errorMessage);
+        result = prime * result + Objects.hashCode(reference);
         result = prime * result + regex.hashCode();
         return result;
     }