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/**
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 *
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 */
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package in.shop2020.metamodel.util;
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import java.util.ArrayList;
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import java.util.List;
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import in.shop2020.metamodel.core.Entity;
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import in.shop2020.metamodel.core.Slide;
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import in.shop2020.metamodel.definitions.Catalog;
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import in.shop2020.metamodel.definitions.Category;
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import in.shop2020.metamodel.definitions.DefinitionsContainer;
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/**
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 * Utility class that supports core Entity class. All related
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 * objects are fetched from database and aggregated here.
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 *
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 * @author naveen
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 *
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 */
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public class ExpandedEntity extends Entity {
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	/**
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	 * Reference to original entity
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	 */
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	private Entity entity;
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	/**
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	 * Expanded from category ID
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	 */
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	private Category category;
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	/**
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	 * Expanded from list of slide IDs
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	 */
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	private List<ExpandedSlide> expandedSlides;
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	/**
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	 *
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	 */
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	private static final long serialVersionUID = 1L;
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	/**
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	 * Takes Entity object as input and converts all references
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	 * into corresponding detail objects
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	 *
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	 * @param entity Entity object
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	 * @throws Exception
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	 */
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	public ExpandedEntity(Entity entity) throws Exception {
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		super(entity.getID(), entity.getCategoryID());
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		// Original entity
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		this.setEntity(entity);
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		// Copy rest of the properties from entity
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		super.setBrand(entity.getBrand());
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		super.setModelName(entity.getModelName());
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		super.setModelNumber(entity.getModelNumber());
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		super.setSlides(entity.getSlides());
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		super.setSlideSequence(entity.getSlideSequence());
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		// Expand category id
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		DefinitionsContainer defs =
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			Catalog.getInstance().getDefinitionsContainer();
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		this.category = defs.getCategory(entity.getCategoryID());
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		// Expand slides
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		this.expandedSlides = new ArrayList<ExpandedSlide>();
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		List<Slide> slides = entity.getSlides();
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		if(slides != null) {
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			for(Slide slide : slides) {
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				ExpandedSlide expSlide = new ExpandedSlide(slide);
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				this.expandedSlides.add(expSlide);
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			}
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		}
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	}
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	/**
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	 * @return the category
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	 */
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	public Category getCategory() {
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		return category;
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	}
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	/**
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	 * @return the expandedSlides
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	 */
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	public List<ExpandedSlide> getExpandedSlides() {
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		return expandedSlides;
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	}
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	/**
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	 * @param entity the entity to set
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	 */
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	public void setEntity(Entity entity) {
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		this.entity = entity;
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	}
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	/**
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	 * @return the entity
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	 */
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	public Entity getEntity() {
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		return entity;
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	}
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	/**
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	 * Returns ExpandedSlide instance given slide definition ID
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	 * @param slideDefinitionID
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	 * @return ExpandedSlide
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	 */
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	public ExpandedSlide getExpandedSlide(long slideDefinitionID) {
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		for(ExpandedSlide expSlide : this.expandedSlides) {
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			if(expSlide.getSlideDefinitionID() == slideDefinitionID) {
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				return expSlide;
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			}
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		}
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		return null;
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	}
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	/* (non-Javadoc)
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	 * @see java.lang.Object#toString()
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	 */
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	@Override
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	public String toString() {
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		return "ExpandedEntity [category=" + category + ", expandedSlides="
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				+ expandedSlides + ", toString()=" + super.toString() + "]";
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	}
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}