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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 in.shop2020.metamodel.core.Feature;
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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.DefinitionsContainer;
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import in.shop2020.metamodel.definitions.SlideDefinition;
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import java.util.ArrayList;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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/**
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 * Utility class that supports core Slide 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 ExpandedSlide extends Slide {
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	/**
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	 * Expanded from SlideDefinition ID
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	 */
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	private SlideDefinition slideDefinition;
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	/**
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	 * Expanded from list of children Slide IDs
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	 */
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	private List<ExpandedSlide> expandedChildrenSlides;
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	/**
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	 * Expanded from Feature objects, Map for faster lookups
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	 */
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	private Map<Long, ExpandedFeature> expandedFeatures;
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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 Slide object as input and converts all references
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	 * into corresponding detail objects
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	 *
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	 * @param slide
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	 * @throws Exception
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	 */
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	public ExpandedSlide(Slide slide) throws Exception {
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		super(slide.getSlideDefinitionID());
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		// Copy rest of the properties
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		super.setChildrenSlides(slide.getChildrenSlides());
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		super.setFeatures(slide.getFeatures());
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		super.setFreeformContent(slide.getFreeformContent());
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		//super.setBorrowedCategoryID(slide.getBorrowedCategoryID());
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		// Expand slide definition id
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		DefinitionsContainer defs =
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			Catalog.getInstance().getDefinitionsContainer();
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		this.slideDefinition =
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			defs.getSlideDefinition(slide.getSlideDefinitionID());
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		// Expand children slides
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		List<Slide> childrenSlides = slide.getChildrenSlides();
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		if(childrenSlides != null) {
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			this.expandedChildrenSlides = new ArrayList<ExpandedSlide>();
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			for(Slide childSlide : childrenSlides) {
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				ExpandedSlide expChildSlide = new ExpandedSlide(childSlide);
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				this.expandedChildrenSlides.add(expChildSlide);
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			}
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		}
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		// Expand features
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		List<Feature> features = slide.getFeatures();
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		if(features != null) {
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			this.expandedFeatures = new LinkedHashMap<Long, ExpandedFeature>();
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			for(Feature feature : features) {
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				ExpandedFeature expFeature = new ExpandedFeature(feature);
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				this.expandedFeatures.put(expFeature.getFeatureDefinitionID(), expFeature);
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			}
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		}
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	}
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	/**
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	 * @return the slideDefinition Slide Definition object
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	 */
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	public SlideDefinition getSlideDefinition() {
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		return slideDefinition;
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	}
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	/**
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	 * @return the expandedChildrenSlides List of children ExpandedSlide objects
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	 */
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	public List<ExpandedSlide> getExpandedChildrenSlides() {
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		return expandedChildrenSlides;
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	}
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	/**
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	 * @return the expandedFeatures
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	 */
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	public List<ExpandedFeature> getExpandedFeatures() {
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		return new ArrayList<ExpandedFeature>(expandedFeatures.values());
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	}
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    /**
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     * @param featureId id of the given feature to be looked up in the slide
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     * @return the expandedFeature
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     */
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    public ExpandedFeature getExpandedFeature(long featureId) {
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        return expandedFeatures.get(featureId);
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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 "ExpandedSlide [expandedChildrenSlides="
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				+ expandedChildrenSlides + ", expandedFeatures="
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				+ expandedFeatures + ", slideDefinition=" + slideDefinition
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				+ ", toString()=" + super.toString() + "]";
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	}
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}