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74 naveen 1 
/**
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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.Entity;
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import in.shop2020.metamodel.definitions.Catalog;
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import in.shop2020.metamodel.definitions.EntityContainer;
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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 to query data from Entities DB
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 *
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 * Usage: {Slide Name1, Child Slide Name, Child's Child Slide Name...} {Feature Name}
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 * @author naveen
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 *
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 */
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public class QRY {
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	/**
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	 * @param args
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	 * @throws Exception
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	 */
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	public static void main(String[] args) throws Exception {
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		if(args.length < 1) {
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			System.out.println("Usage: {Slide Name1, Child Slide Name, " +
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					"Child's Child Slide Name...} {Feature Name}");
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			System.exit(-1);
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		}
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		QRY qry = new QRY(args);
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		qry.exec();
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	}
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	private String[] slideNames;
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	private String featureName;
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	/**
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	 * Level - 4, 8, 12, 16
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	 */
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	private String[] indentation = {"", "    ", "        ", "            ",
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			"                ", "                    ",
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			"                        "};
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	/**
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	 *
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	 * @param args
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	 */
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	public QRY(String[] args) {
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		if(args.length == 1) {
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			this.slideNames = new String[] { args[0] };
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		}
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		else {
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			this.featureName = args[args.length-1];
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			this.slideNames = new String[args.length-1];
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			for(int i=0;i<args.length-1;i++) {
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				this.slideNames[i] = args[i];
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			}
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		}
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	}
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	/**
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	 * @throws Exception
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	 *
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	 */
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	public void exec() throws Exception {
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		EntityContainer ents = Catalog.getInstance().getEntityContainer();
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		Map<Long, Entity> entities =  ents.getEntities();
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		for(Entity entity : entities.values()) {
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			ExpandedEntity expEntity = new ExpandedEntity(entity);
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			String entityName = expEntity.getBrand() + " " +
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				expEntity.getModelName() + " " + expEntity.getModelNumber();
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			String categoryLabel = expEntity.getCategory().getLabel();
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			System.out.println(entityName + " (" + categoryLabel + ")");
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			List<ExpandedSlide> expSlides = expEntity.getExpandedSlides();
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			ExpandedSlide expSlide = null;
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			int indent = 1;
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			int i = 0;
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			for(;i<this.slideNames.length;i++) {
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				String slideName = this.slideNames[i];
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				expSlide = this.getMatchingSlide(expSlides, slideName);
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				if(expSlide == null) {
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					break;
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				}
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				String slideLabel = expSlide.getSlideDefinition().getLabel();
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				System.out.println(this.indentation[indent] + slideLabel);
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				if(!expSlide.hasChildrenSlides()) {
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					break;
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				}
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				List<ExpandedSlide> expChildrenSlides =
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					expSlide.getExpandedChildrenSlides();
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				// For next iteration
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				expSlides = expChildrenSlides;
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				indent++;
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			}
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			if(expSlide != null && i == this.slideNames.length-1) {
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				List<ExpandedFeature> expFeatures =
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					expSlide.getExpandedFeatures();
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				indent = indent + 1;
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				for(ExpandedFeature expFeature : expFeatures) {
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					if(expFeature.getFeatureDefinition().getLabel().
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						equalsIgnoreCase(this.featureName)) {
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						String featureLabel =
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							expFeature.getFeatureDefinition().getLabel();
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						System.out.println(this.indentation[indent] +
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								featureLabel);
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						List<ExpandedBullet> expBullets =
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							expFeature.getExpandedBullets();
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						for(ExpandedBullet expBullet : expBullets) {
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							System.out.println(this.indentation[indent+1] +
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									expBullet.displayText());
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						}
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						break;
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					}
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				}
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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 expSlides
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	 * @return
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	 */
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	private ExpandedSlide getMatchingSlide(List<ExpandedSlide> expSlides,
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			String slideName) {
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		for (ExpandedSlide expSlide : expSlides) {
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			if(expSlide.getSlideDefinition().getLabel().
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					equalsIgnoreCase(slideName)) {
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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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}