Subversion Repositories SmartDukaan

/**

 * 

 */

package in.shop2020.metamodel.core;

import in.shop2020.metamodel.util.ReusableMetaModelComponent;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

/**

 * Entity class is the center of shop2020 content meta-model. Represents 

 * a Product that is part of shop2020 online shopping catalog. 

 * 

 * It is composed of other classes in meta-model core package, 

 * classes in meta-model definition package define its structure.

 * 

 * @author naveen

 *

 */

public class Entity extends ReusableMetaModelComponent {

    /**

	 * This is serial versionId. Need to put corresponding to the svn checkout version. 

	 * So that code can be retrieved for the version and Objects can be restored.

	 */

	//FIXME to be decided

	private static final long serialVersionUID = 1L;

	/**

	 * Pointer to entity's category 

	 */

	private long categoryID;

	/**

	 * Manufacturer brand

	 */

	private String brand;

	/**

	 * Manufacturer provided Model Number

	 */

	private String modelNumber;

	/**

	 * Manufacturer provided Model Name

	 */

	private String modelName;

	/**

	 * List of slides that describe the entity

	 */

	private List<Slide> slides;

	private List<Long> slideSequence;

	/**

	 * 

	 * @param newID Unique identifier

	 * @param categoryID Category ID

	 */

    public Entity(long newID, long categoryID) {

    	super(newID);

    	this.categoryID = categoryID;

    }

    public List<Long> getSlideSequence() {

		return slideSequence;

	}

	public void setSlideSequence(List<Long> slideSequence) {

		if(this.slideSequence==null){

			this.slideSequence = new ArrayList<Long>();

		}

		this.slideSequence = slideSequence;

	}

	/**

     * 

     * @return categoryID

     *     

     */

    public long getCategoryID() {

        return this.categoryID;

    }

    /**

     * 

     * @param value Category ID to set

     *     

     */

    public void setCategoryID(long value) {

        this.categoryID = value;

    }

    /**

     * 

     * @return brand

     *     

     */

    public String getBrand() {

        return this.brand;

    }

    /**

     * 

     * @param value Brand to set

     *     

     */

    public void setBrand(String value) {

        this.brand = value;

    }

    /**

     * 

     * @return modelNumber Model Number 

     *     

     */

    public String getModelNumber() {

        return this.modelNumber;

    }

    /**

     * 

     * @param value Model Number to set

     *     

     */

    public void setModelNumber(String value) {

        this.modelNumber = value;

    }

    /**

     * 

     * @return modelName Model Name

     *     

     */

    public String getModelName() {

        return this.modelName;

    }

    /**

     * 

     * @param value Model Name to set

     *     

     */

    public void setModelName(String value) {

        this.modelName = value;

    }

    /**

     * 

     * @return slides

     *     

     */

    public List<Slide> getSlides() {

        return this.slides;

    }

    /**

     * 

     * @param slide to add new slides to an entity

     */

    public void addSlide(Slide slide) {

    	if(this.slides == null) {

    		this.slides = new ArrayList<Slide>();

    	}

    	else {

	    	Slide currentSlide = this.getSlide(slide.getSlideDefinitionID());

	    	this.slides.remove(currentSlide);

    	}

    	this.slides.add(slide);

    }

    /**

     * 

     * @param slideIDsNewOrder

     */

    public void reorderSlides(List<Long> slideIDsNewOrder) {

    	if(this.slides == null) {

    		return;

    	}

    	Map<Long, Slide> slideIDSlide = new HashMap<Long, Slide>();

    	for(Slide slide : this.slides) {

    		slideIDSlide.put(new Long(slide.getSlideDefinitionID()), slide);

    	}

    	List<Slide> orderedSlides = new ArrayList<Slide>();

    	for(Long slideID : slideIDsNewOrder) {

    		Slide slide = slideIDSlide.get(slideID);

    		if(slide != null) {

    			orderedSlides.add(slide);

    		}

    	}

    	this.slides = orderedSlides;

    }

    /**

     * 

     * @param slideDefinitionID

     */

    public void removeSlide(long slideDefinitionID) {

    	if(this.slides != null) {

    		Slide slide = this.getSlide(slideDefinitionID);

    		if(slide != null) {

    			this.slides.remove(slide);

    		}

    	}

    }

    /**

     * 

     * @param value list of slides to set

     *     

     */

    public void setSlides(List<Slide> value) {

        this.slides = value;

    }

	/**

	 * Returns ExpandedSlide instance given slide definition ID

	 * @param slideDefinitionID

	 * @return ExpandedSlide 

	 */

	public Slide getSlide(long slideDefinitionID) {

		if(this.slides!=null){

			for(Slide slide : this.slides) {

				if(slide.getSlideDefinitionID() == slideDefinitionID) {

					return slide;

				}

			}

		}		

		return null;

	}

	@Override

	public int hashCode() {

		final int prime = 31;

		int result = 1;

		result = prime * result + (int) (this.getID() ^ (this.getID() >>> 32));

		return result;

	}

	/* (non-Javadoc)

	 * @see java.lang.Object#equals(java.lang.Object)

	 */

	@Override

	public boolean equals(Object obj) {

		return this.getID() == ((Entity)obj).getID();

	}

	/* (non-Javadoc)

	 * @see java.lang.Object#toString()

	 */

	@Override

	public String toString() {

		return "Entity [brand=" + brand + ", categoryID=" + categoryID

				+ ", modelName=" + modelName + ", modelNumber=" + modelNumber

				+ ", slideSequence=" + slideSequence

				+ ", slides=" + slides + ", getID()=" + getID() + "]";

	}

}