/*******************************************************************************
 * Copyright (c) 2010 Robert "Unlogic" Olofsson (unlogic@unlogic.se).
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v3
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl-3.0-standalone.html
 ******************************************************************************/
package se.unlogic.standardutils.dao;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;


public class RelationQuery {

   private List<Field> relations;
   private List<Field> excludedRelations;

   private boolean disableAutoRelations;

   public RelationQuery() {}

   public RelationQuery(final List<Field> relations) {

      this.relations = relations;
   }

   public RelationQuery(final Field... relations) {

      this.addRelations(relations);
   }

   public RelationQuery(final RelationQuery relationQuery) {

      this.addRelations(relationQuery);
   }

   public List<Field> getRelations() {

      return relations;
   }

   public void setRelations(List<Field> relations) {

      this.relations = relations;
   }

   public void addRelation(Field relation){

      if(this.relations == null){

         this.relations = new ArrayList<Field>();
      }

      this.relations.add(relation);
   }

   public void addRelations(Field... relations){

      if(this.relations == null){

         this.relations = new ArrayList<Field>();
      }

      this.relations.addAll(Arrays.asList(relations));
   }

   public static boolean hasRelations(RelationQuery query){

      if(query == null || query.getRelations() == null || query.getRelations().isEmpty()){
         return false;
      }

      return true;
   }

   public boolean hasRelations(){

      return hasRelations(this);
   }

   public void addRelations(RelationQuery relationQuery) {

      if(hasRelations(relationQuery)){

         this.addRelations(relationQuery.getRelations());
      }
   }

   public void addRelations(List<Field> relations){

      if(this.relations == null){

         this.relations = relations;

      }else{

         this.relations.addAll(relations);
      }
   }

   public List<Field> getExcludedRelations() {

      return excludedRelations;
   }

   public void setExcludedRelations(List<Field> excludedRelations) {

      this.excludedRelations = excludedRelations;
   }

   public void addExcludedRelation(Field relation){

      if(this.excludedRelations == null){

         this.excludedRelations = new ArrayList<Field>();
      }

      this.excludedRelations.add(relation);
   }

   public void addExcludedRelations(Field... excludedRelations){

      if(this.excludedRelations == null){

         this.excludedRelations = new ArrayList<Field>();
      }

      this.excludedRelations.addAll(Arrays.asList(excludedRelations));
   }

   public static boolean hasExcludedRelations(RelationQuery query){

      if(query == null || query.getExcludedRelations() == null || query.getExcludedRelations().isEmpty()){
         return false;
      }

      return true;
   }

   public boolean hasExcludedRelations(){

      return hasExcludedRelations(this);
   }

   public void addExcludedRelations(RelationQuery relationQuery) {

      if(hasExcludedRelations(relationQuery)){

         this.addExcludedRelations(relationQuery.getExcludedRelations());
      }
   }

   public void addExcludedRelations(List<Field> excludedRelations){

      if(this.excludedRelations == null){

         this.excludedRelations = excludedRelations;

      }else{

         this.excludedRelations.addAll(excludedRelations);
      }
   }

   public boolean containsRelation(Field field) {

      if(this.relations != null){

         return this.relations.contains(field);
      }

      return false;
   }

   public boolean containsExcludedRelation(Field field) {

      if(this.excludedRelations != null){

         return this.excludedRelations.contains(field);
      }

      return false;
   }


   public boolean isDisableAutoRelations() {

      return disableAutoRelations;
   }


   public void disableAutoRelations(boolean disableAutoRelations) {

      this.disableAutoRelations = disableAutoRelations;
   }
}
