DATAREDIS-1143 - Polishing.

Replace delomboked equals/hashCode with Spring-style equals/hashCode.

Original pull request: #530.

Author: mp911de

Diff for: src/main/java/org/springframework/data/redis/connection/ReactiveRedisConnection.java

@@ -351,7 +351,7 @@ class CommandResponse<I, O> {
 		private final I input;
 		private final @Nullable O output;
 
-		public CommandResponse(I input, O output) {
+		public CommandResponse(I input, @Nullable O output) {
 			this.input = input;
 			this.output = output;
 		}

Diff for: src/main/java/org/springframework/data/redis/connection/RedisGeoCommands.java

@@ -28,6 +28,7 @@
 import org.springframework.data.geo.Point;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
+import org.springframework.util.ObjectUtils;
 
 /**
  * Geo-specific Redis commands.
@@ -370,39 +371,37 @@ public Point getPoint() {
 			return this.point;
 		}
 
-		public boolean equals(final Object o) {
-			if (o == this)
+		@Override
+		public boolean equals(Object o) {
+
+			if (this == o) {
 				return true;
-			if (!(o instanceof GeoLocation))
-				return false;
-			final GeoLocation<?> other = (GeoLocation<?>) o;
-			if (!other.canEqual((Object) this))
-				return false;
-			final Object this$name = this.getName();
-			final Object other$name = other.getName();
-			if (this$name == null ? other$name != null : !this$name.equals(other$name))
+			}
+
+			if (!(o instanceof GeoLocation)) {
 				return false;
-			final Object this$point = this.getPoint();
-			final Object other$point = other.getPoint();
-			if (this$point == null ? other$point != null : !this$point.equals(other$point))
+			}
+
+			GeoLocation<?> that = (GeoLocation<?>) o;
+
+			if (!ObjectUtils.nullSafeEquals(name, that.name)) {
 				return false;
-			return true;
-		}
+			}
 
-		protected boolean canEqual(final Object other) {
-			return other instanceof GeoLocation;
+			return ObjectUtils.nullSafeEquals(point, that.point);
 		}
 
+		@Override
 		public int hashCode() {
-			final int PRIME = 59;
-			int result = 1;
-			final Object $name = this.getName();
-			result = result * PRIME + ($name == null ? 43 : $name.hashCode());
-			final Object $point = this.getPoint();
-			result = result * PRIME + ($point == null ? 43 : $point.hashCode());
+			int result = ObjectUtils.nullSafeHashCode(name);
+			result = 31 * result + ObjectUtils.nullSafeHashCode(point);
 			return result;
 		}
 
+		protected boolean canEqual(Object other) {
+			return other instanceof GeoLocation;
+		}
+
 		public String toString() {
 			return "RedisGeoCommands.GeoLocation(name=" + this.getName() + ", point=" + this.getPoint() + ")";
 		}

Diff for: src/main/java/org/springframework/data/redis/core/convert/GeoIndexedPropertyValue.java

@@ -16,6 +16,7 @@
 package org.springframework.data.redis.core.convert;
 
 import org.springframework.data.geo.Point;
+import org.springframework.util.ObjectUtils;
 
 /**
  * {@link IndexedData} implementation indicating storage of data within a Redis GEO structure.
@@ -73,45 +74,41 @@ public Point getValue() {
 		return this.value;
 	}
 
-	public boolean equals(final Object o) {
-		if (o == this)
+	@Override
+	public boolean equals(Object o) {
+
+		if (this == o) {
 			return true;
-		if (!(o instanceof GeoIndexedPropertyValue))
-			return false;
-		final GeoIndexedPropertyValue other = (GeoIndexedPropertyValue) o;
-		if (!other.canEqual((Object) this))
-			return false;
-		final Object this$keyspace = this.getKeyspace();
-		final Object other$keyspace = other.getKeyspace();
-		if (this$keyspace == null ? other$keyspace != null : !this$keyspace.equals(other$keyspace))
+		}
+
+		if (!(o instanceof GeoIndexedPropertyValue)) {
 			return false;
-		final Object this$indexName = this.getIndexName();
-		final Object other$indexName = other.getIndexName();
-		if (this$indexName == null ? other$indexName != null : !this$indexName.equals(other$indexName))
+		}
+
+		GeoIndexedPropertyValue that = (GeoIndexedPropertyValue) o;
+		if (!ObjectUtils.nullSafeEquals(keyspace, that.keyspace)) {
 			return false;
-		final Object this$value = this.getValue();
-		final Object other$value = other.getValue();
-		if (this$value == null ? other$value != null : !this$value.equals(other$value))
+		}
+
+		if (!ObjectUtils.nullSafeEquals(indexName, that.indexName)) {
 			return false;
-		return true;
-	}
+		}
 
-	protected boolean canEqual(final Object other) {
-		return other instanceof GeoIndexedPropertyValue;
+		return ObjectUtils.nullSafeEquals(value, that.value);
 	}
 
+	@Override
 	public int hashCode() {
-		final int PRIME = 59;
-		int result = 1;
-		final Object $keyspace = this.getKeyspace();
-		result = result * PRIME + ($keyspace == null ? 43 : $keyspace.hashCode());
-		final Object $indexName = this.getIndexName();
-		result = result * PRIME + ($indexName == null ? 43 : $indexName.hashCode());
-		final Object $value = this.getValue();
-		result = result * PRIME + ($value == null ? 43 : $value.hashCode());
+		int result = ObjectUtils.nullSafeHashCode(keyspace);
+		result = 31 * result + ObjectUtils.nullSafeHashCode(indexName);
+		result = 31 * result + ObjectUtils.nullSafeHashCode(value);
 		return result;
 	}
 
+	protected boolean canEqual(Object other) {
+		return other instanceof GeoIndexedPropertyValue;
+	}
+
 	public String toString() {
 		return "GeoIndexedPropertyValue(keyspace=" + this.getKeyspace() + ", indexName=" + this.getIndexName() + ", value="
 				+ this.getValue() + ")";