minor cleanup

Author: gavinking

hibernate-core/src/main/java/org/hibernate/query/internal/QueryParameterNamedImpl.java

@@ -60,9 +60,6 @@ public boolean equals(Object o) {
 		if ( this == o ) {
 			return true;
 		}
-		else if ( o == null ) {
-			return false;
-		}
 		else if ( !(o instanceof QueryParameterNamedImpl<?> that) ) {
 			return false;
 		}

hibernate-core/src/main/java/org/hibernate/query/internal/QueryParameterPositionalImpl.java

@@ -61,19 +61,20 @@ public Integer getPosition() {
 
 	@Override
 	public NamedQueryMemento.ParameterMemento toMemento() {
-		return session -> new QueryParameterPositionalImpl( getPosition(), allowsMultiValuedBinding(), getHibernateType() );
+		return session -> new QueryParameterPositionalImpl<>( getPosition(), allowsMultiValuedBinding(), getHibernateType() );
 	}
 
 	@Override
-	public boolean equals(Object o) {
-		if ( this == o ) {
+	public boolean equals(Object object) {
+		if ( this == object ) {
 			return true;
 		}
-		if ( o == null || getClass() != o.getClass() ) {
+		else if ( !(object instanceof QueryParameterPositionalImpl<?> that) ) {
 			return false;
 		}
-		QueryParameterPositionalImpl<?> that = (QueryParameterPositionalImpl<?>) o;
-		return position == that.position;
+		else {
+			return position == that.position;
+		}
 	}
 
 	@Override