Remove repeated casts in identities'equals method

mziccard · mziccard · commit 44fedd64a2bf · 2016-04-29T09:51:22.000+02:00
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/DiskTypeId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/DiskTypeId.java
@@ -94,10 +94,16 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj instanceof DiskTypeId
-        && baseEquals((DiskTypeId) obj)
-        && Objects.equals(zone, ((DiskTypeId) obj).zone)
-        && Objects.equals(diskType, ((DiskTypeId) obj).diskType);
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof DiskTypeId)) {
+      return false;
+    }
+    DiskTypeId other = (DiskTypeId) obj;
+    return baseEquals(other)
+        && Objects.equals(zone, other.zone)
+        && Objects.equals(diskType, other.diskType);
   }
 
   @Override
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/ForwardingRuleId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/ForwardingRuleId.java
@@ -23,7 +23,7 @@
 import java.util.Objects;
 
 /**
- * Interface for Google Compute Engine forwarding rule identities.
+ * Base class for Google Compute Engine forwarding rule identities.
  */
 public abstract class ForwardingRuleId extends ResourceId {
 
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/InstanceId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/InstanceId.java
@@ -100,10 +100,16 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj instanceof InstanceId
-        && baseEquals((InstanceId) obj)
-        && Objects.equals(zone, ((InstanceId) obj).zone)
-        && Objects.equals(instance, ((InstanceId) obj).instance);
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof InstanceId)) {
+      return false;
+    }
+    InstanceId other = (InstanceId) obj;
+    return baseEquals(other)
+        && Objects.equals(zone, other.zone)
+        && Objects.equals(instance, other.instance);
   }
 
   @Override
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/LicenseId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/LicenseId.java
@@ -78,9 +78,14 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj instanceof LicenseId
-        && baseEquals((LicenseId) obj)
-        && Objects.equals(license, ((LicenseId) obj).license);
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof LicenseId)) {
+      return false;
+    }
+    LicenseId other = (LicenseId) obj;
+    return baseEquals(other) && Objects.equals(license, other.license);
   }
 
   @Override
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/MachineTypeId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/MachineTypeId.java
@@ -96,10 +96,16 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj instanceof MachineTypeId
-        && baseEquals((MachineTypeId) obj)
-        && Objects.equals(zone, ((MachineTypeId) obj).zone)
-        && Objects.equals(machineType, ((MachineTypeId) obj).machineType);
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof MachineTypeId)) {
+      return false;
+    }
+    MachineTypeId other = (MachineTypeId) obj;
+    return baseEquals(other)
+        && Objects.equals(zone, other.zone)
+        && Objects.equals(machineType, other.machineType);
   }
 
   @Override
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/RegionAddressId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/RegionAddressId.java
@@ -76,9 +76,14 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj instanceof RegionAddressId
-        && baseEquals((RegionAddressId) obj)
-        && Objects.equals(region, ((RegionAddressId) obj).region);
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof RegionAddressId)) {
+      return false;
+    }
+    RegionAddressId other = (RegionAddressId) obj;
+    return baseEquals(other) && Objects.equals(region, other.region);
   }
 
   @Override
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/RegionForwardingRuleId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/RegionForwardingRuleId.java
@@ -92,9 +92,14 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj instanceof RegionForwardingRuleId
-        && baseEquals((RegionForwardingRuleId) obj)
-        && Objects.equals(region, ((RegionForwardingRuleId) obj).region);
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof RegionForwardingRuleId)) {
+      return false;
+    }
+    RegionForwardingRuleId other = (RegionForwardingRuleId) obj;
+    return baseEquals(other) && Objects.equals(region, other.region);
   }
 
   @Override
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/RegionId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/RegionId.java
@@ -83,9 +83,14 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj instanceof RegionId
-        && baseEquals((RegionId) obj)
-        && Objects.equals(region, ((RegionId) obj).region);
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof RegionId)) {
+      return false;
+    }
+    RegionId other = (RegionId) obj;
+    return baseEquals(other) && Objects.equals(region, other.region);
   }
 
   @Override
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/RegionOperationId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/RegionOperationId.java
@@ -76,9 +76,14 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj instanceof RegionOperationId
-        && baseEquals((RegionOperationId) obj)
-        && Objects.equals(region, ((RegionOperationId) obj).region);
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof RegionOperationId)) {
+      return false;
+    }
+    RegionOperationId other = (RegionOperationId) obj;
+    return baseEquals(other) && Objects.equals(region, other.region);
   }
 
   @Override
diff --git a/gcloud-java-compute/src/main/java/com/google/gcloud/compute/ZoneId.java b/gcloud-java-compute/src/main/java/com/google/gcloud/compute/ZoneId.java
@@ -78,9 +78,14 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj instanceof ZoneId
-        && baseEquals((ZoneId) obj)
-        && Objects.equals(zone, ((ZoneId) obj).zone);
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof ZoneId)) {
+      return false;
+    }
+    ZoneId other = (ZoneId) obj;
+    return baseEquals(other) && Objects.equals(zone, other.zone);
   }
 
   @Override
