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10 shop2020 1 
/**
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 *
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 */
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package in.shop2020.metamodel.core;
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import in.shop2020.metamodel.util.ReusableMetaModelComponent;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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 * Entity class is the center of shop2020 content meta-model. Represents
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 * a Product that is part of shop2020 online shopping catalog.
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 *
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 * It is composed of other classes in meta-model core package,
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 * classes in meta-model definition package define its structure.
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 *
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 * @author naveen
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 *
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 */
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public class Entity extends ReusableMetaModelComponent {
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    /**
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	 * This is serial versionId. Need to put corresponding to the svn checkout version.
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	 * So that code can be retrieved for the version and Objects can be restored.
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	 */
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	//FIXME to be decided
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	private static final long serialVersionUID = 1L;
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	/**
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	 * Pointer to entity's category
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	 */
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	private long categoryID;
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	/**
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	 * Manufacturer brand
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	 */
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	private String brand;
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	/**
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	 * Manufacturer provided Model Number
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	 */
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	private String modelNumber;
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	/**
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	 * Manufacturer provided Model Name
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	 */
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	private String modelName;
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	/**
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	 * List of slides that describe the entity
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	 */
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	private List<Slide> slides;
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	private List<Long> slideSequence;
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	/**
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	 *
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	 * @param newID Unique identifier
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	 * @param categoryID Category ID
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	 */
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    public Entity(long newID, long categoryID) {
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    	super(newID);
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    	this.categoryID = categoryID;
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    }
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    public List<Long> getSlideSequence() {
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		return slideSequence;
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	}
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	public void setSlideSequence(List<Long> slideSequence) {
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		if(this.slideSequence==null){
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			this.slideSequence = new ArrayList<Long>();
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		}
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		this.slideSequence = slideSequence;
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	}
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	/**
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     *
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     * @return categoryID
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     *
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     */
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    public long getCategoryID() {
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        return this.categoryID;
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    }
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    /**
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     *
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     * @param value Category ID to set
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     *
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     */
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    public void setCategoryID(long value) {
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        this.categoryID = value;
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    }
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    /**
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     *
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     * @return brand
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     *
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     */
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    public String getBrand() {
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        return this.brand;
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    }
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    /**
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     *
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     * @param value Brand to set
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     *
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     */
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    public void setBrand(String value) {
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        this.brand = value;
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    }
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    /**
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     *
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     * @return modelNumber Model Number
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     *
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     */
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    public String getModelNumber() {
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        return this.modelNumber;
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    }
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    /**
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     *
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     * @param value Model Number to set
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     *
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     */
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    public void setModelNumber(String value) {
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        this.modelNumber = value;
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    }
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    /**
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     *
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     * @return modelName Model Name
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     *
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     */
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    public String getModelName() {
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        return this.modelName;
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    }
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    /**
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     *
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     * @param value Model Name to set
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     *
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     */
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    public void setModelName(String value) {
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        this.modelName = value;
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    }
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    /**
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     *
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     * @return slides
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     *
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     */
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    public List<Slide> getSlides() {
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        return this.slides;
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    }
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    /**
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     *
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     * @param slide to add new slides to an entity
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     */
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    public void addSlide(Slide slide) {
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    	if(this.slides == null) {
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    		this.slides = new ArrayList<Slide>();
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    	}
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    	else {
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	    	Slide currentSlide = this.getSlide(slide.getSlideDefinitionID());
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	    	this.slides.remove(currentSlide);
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    	}
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    	this.slides.add(slide);
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    }
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    /**
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     *
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     * @param slideIDsNewOrder
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     */
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    public void reorderSlides(List<Long> slideIDsNewOrder) {
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    	if(this.slides == null) {
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    		return;
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    	}
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    	Map<Long, Slide> slideIDSlide = new HashMap<Long, Slide>();
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    	for(Slide slide : this.slides) {
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    		slideIDSlide.put(new Long(slide.getSlideDefinitionID()), slide);
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    	}
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    	List<Slide> orderedSlides = new ArrayList<Slide>();
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    	for(Long slideID : slideIDsNewOrder) {
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    		Slide slide = slideIDSlide.get(slideID);
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    		if(slide != null) {
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    			orderedSlides.add(slide);
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    		}
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    	}
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    	this.slides = orderedSlides;
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    }
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    /**
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     *
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     * @param slideDefinitionID
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     */
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    public void removeSlide(long slideDefinitionID) {
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    	if(this.slides != null) {
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    		Slide slide = this.getSlide(slideDefinitionID);
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    		if(slide != null) {
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    			this.slides.remove(slide);
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    		}
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    	}
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    }
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    /**
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     *
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     * @param value list of slides to set
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     *
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     */
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    public void setSlides(List<Slide> value) {
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        this.slides = value;
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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 Slide getSlide(long slideDefinitionID) {
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		if(this.slides!=null){
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			for(Slide slide : this.slides) {
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				if(slide.getSlideDefinitionID() == slideDefinitionID) {
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					return slide;
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				}
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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#equals(java.lang.Object)
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	 */
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	@Override
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	public boolean equals(Object obj) {
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		return this.getID() == ((Entity)obj).getID();
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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 "Entity [brand=" + brand + ", categoryID=" + categoryID
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				+ ", modelName=" + modelName + ", modelNumber=" + modelNumber
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				+ ", slideSequence=" + slideSequence
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				+ ", slides=" + slides + ", getID()=" + getID() + "]";
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	}
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}