Use Objects.hashCode()

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

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/AbstractUnsignedInteger.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/AbstractUnsignedInteger.java
index d5c904fd72fe854c4a2d7f99287b14077e3472aa..d791c8870819184e2169f90c7b5343a5cecb1b80 100644 (file)
--- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/AbstractUnsignedInteger.java
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/AbstractUnsignedInteger.java
@@ -8,10 +8,9 @@
 package org.opendaylight.yangtools.yang.model.util;
 
 import com.google.common.base.Optional;
-
 import java.util.Collections;
 import java.util.List;
-
+import java.util.Objects;
 import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 import org.opendaylight.yangtools.yang.model.api.Status;
@@ -36,11 +35,12 @@ import org.opendaylight.yangtools.yang.model.api.type.UnsignedIntegerTypeDefinit
  *
  */
 abstract class AbstractUnsignedInteger implements UnsignedIntegerTypeDefinition {
+    private static final String REFERENCE = "https://tools.ietf.org/html/rfc6020#section-9.2";
+    private static final Optional<String> OPT_REF = Optional.of("https://tools.ietf.org/html/rfc6020#section-9.2.4");
     private static final long MIN_VALUE = 0;
     private final QName name;
     private final SchemaPath path;
     private final String description;
-    private static final String REFERENCE = "https://tools.ietf.org/html/rfc6020#section-9.2";
     private final String units;
     private final List<RangeConstraint> rangeStatements;
 
@@ -58,8 +58,8 @@ abstract class AbstractUnsignedInteger implements UnsignedIntegerTypeDefinition
         this.description = description;
         this.units = units;
         final String rangeDescription = "Integer values between " + MIN_VALUE + " and " + maxRange + ", inclusively.";
-        this.rangeStatements = Collections.singletonList(BaseConstraints.newRangeConstraint(MIN_VALUE, maxRange, Optional.of(rangeDescription),
-                Optional.of("https://tools.ietf.org/html/rfc6020#section-9.2.4")));
+        this.rangeStatements = Collections.singletonList(BaseConstraints.newRangeConstraint(MIN_VALUE, maxRange,
+                Optional.of(rangeDescription), OPT_REF));
     }
 
     @Override
@@ -111,11 +111,11 @@ abstract class AbstractUnsignedInteger implements UnsignedIntegerTypeDefinition
     public int hashCode() {
         final int prime = 31;
         int result = 1;
-        result = prime * result + ((description == null) ? 0 : description.hashCode());
-        result = prime * result + ((name == null) ? 0 : name.hashCode());
-        result = prime * result + ((path == null) ? 0 : path.hashCode());
-        result = prime * result + ((rangeStatements == null) ? 0 : rangeStatements.hashCode());
-        result = prime * result + ((units == null) ? 0 : units.hashCode());
+        result = prime * result + Objects.hashCode(description);
+        result = prime * result + Objects.hashCode(name);
+        result = prime * result + Objects.hashCode(path);
+        result = prime * result + Objects.hashCode(rangeStatements);
+        result = prime * result + Objects.hashCode(units);
         return result;
     }