chore(auth): performance of authorization related hash code and equals impls [PPUC-318]

Author: dcleao

core/src/main/java/org/pentaho/platform/engine/security/authorization/core/AbstractAuthorizationUser.java

@@ -33,6 +33,8 @@ public boolean equals( Object o ) {
   // possible to put principals of various types into a map.
   @Override
   public int hashCode() {
-    return Objects.hash( IAuthorizationUser.class, getName() );
+    int result = IAuthorizationUser.class.hashCode();
+    result = 31 * result + Objects.hashCode( getName() );
+    return result;
   }
 }

core/src/main/java/org/pentaho/platform/engine/security/authorization/core/AuthorizationRequest.java

@@ -77,7 +77,9 @@ public boolean equals( Object o ) {
 
   @Override
   public int hashCode() {
-    return Objects.hash( principal, action );
+    int result = principal.hashCode();
+    result = 31 * result + action.hashCode();
+    return result;
   }
 
   @Override

core/src/main/java/org/pentaho/platform/engine/security/authorization/core/AuthorizationRole.java

@@ -49,6 +49,8 @@ public boolean equals( Object o ) {
   // possible to put principals of various types into a map.
   @Override
   public int hashCode() {
-    return Objects.hash( IAuthorizationRole.class, getName() );
+    int result = IAuthorizationRole.class.hashCode();
+    result = 31 * result + name.hashCode();
+    return result;
   }
 }

core/src/main/java/org/pentaho/platform/engine/security/authorization/core/resources/GenericAuthorizationResource.java

@@ -58,7 +58,9 @@ public boolean equals( Object o ) {
 
   @Override
   public int hashCode() {
-    return Objects.hash( typeId, id );
+    int result = typeId.hashCode();
+    result = 31 * result + id.hashCode();
+    return result;
   }
 
   @Override

core/src/main/java/org/pentaho/platform/engine/security/authorization/core/resources/ResourceAuthorizationRequest.java

@@ -21,8 +21,6 @@
 import org.pentaho.platform.engine.security.authorization.core.AuthorizationRequest;
 import org.springframework.util.Assert;
 
-import java.util.Objects;
-
 /**
  * The {@code ResourceAuthorizationRequest} class represents an authorization request for a specific resource.
  * It extends the basic authorization request to include resource-specific authorization context.
@@ -89,12 +87,14 @@ public boolean equals( Object o ) {
     }
 
     IResourceAuthorizationRequest that = (IResourceAuthorizationRequest) o;
-    return Objects.equals( resource, that.getResource() );
+    return resource.equals( that.getResource() );
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash( super.hashCode(), resource );
+    int result = super.hashCode();
+    result = 31 * result + resource.hashCode();
+    return result;
   }
 
   @Override