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/**
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 *
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 */
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package in.shop2020.util;
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import in.shop2020.metamodel.definitions.FeatureDefinition;
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import in.shop2020.metamodel.definitions.RuleDefinition;
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import in.shop2020.metamodel.definitions.SlideDefinition;
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import in.shop2020.metamodel.util.ExpandedEntity;
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import in.shop2020.metamodel.util.ExpandedFacetRuleDefinition;
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import in.shop2020.metamodel.util.ExpandedFeature;
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import in.shop2020.metamodel.util.ExpandedSlide;
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import java.util.List;
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import org.python.core.PyList;
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import org.python.core.PyObject;
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/**
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 * Wrapper around Jython for Information Retrieval Python scripts
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 *
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 * @author naveen
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 *
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 */
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public class IRDataJythonWrapper extends JythonWrapper {
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	/**
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	 * Local instance of Facet Rule Definition - Used to pick script to execute
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	 */
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	private ExpandedFacetRuleDefinition expandedFacetRuleDefinition = null;
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	/**
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	 * Resets current PythonInterpreter instance
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	 */
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	public void reset() {
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		super.reset();
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		this.expandedFacetRuleDefinition = null;
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	}
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	/**
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	 *
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	 * @param expandedFacetRuleDefinition
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	 */
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	public void setExpandedFacetRuleDefinition(
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			ExpandedFacetRuleDefinition expandedFacetRuleDefinition) {
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		this.initialize();
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		this.expandedFacetRuleDefinition = expandedFacetRuleDefinition;
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		this.py.set("expFacetRuleDef", expandedFacetRuleDefinition);
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	}
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	/**
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	 *
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	 * @param entity
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	 */
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	public void setExpandedEntity(ExpandedEntity expEntity) {
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		this.initialize();
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		this.py.set("expEntity", expEntity);
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	}
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	/**
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	 *
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	 * @param featureDefinition
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	 */
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	public void setFeatureDefinition(FeatureDefinition featureDefinition) {
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		this.initialize();
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		this.py.set("featureDef", featureDefinition);
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	}
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	/**
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	 *
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	 * @param itemPrice
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	 */
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	public void setEntityPrice(double itemPrice) {
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		this.initialize();
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		this.py.set("itemPrice", itemPrice);
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	}
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	/**
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	 *
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	 * @param feature
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	 */
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	public void setExpandedFeature(ExpandedFeature expandedFeature) {
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		this.initialize();
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		this.py.set("expFeature", expandedFeature);
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	}
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	/**
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	 *
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	 * @param slideDefinition
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	 */
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	public void setSlideDefinition(SlideDefinition slideDefinition) {
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		this.initialize();
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		this.py.set("slideDef", slideDefinition);
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	}
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	/**
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	 *
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	 * @param slide
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	 */
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	public void setExpandedSlide(ExpandedSlide expSlide) {
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		this.initialize();
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		this.py.set("expSlide", expSlide);
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	}
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	/**
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	 * Executes IR Data rule from ExpandedFacetDefinition instance
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	 */
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	public void executeRule() {
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		if(this.py == null || this.expandedFacetRuleDefinition == null) {
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			throw new IllegalStateException(
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					"Not initialized properly");
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		}
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		RuleDefinition irdataRuleDef =
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			this.expandedFacetRuleDefinition.getIRDataRuleDefinition();
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		String pyScript = irdataRuleDef.getScript();
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		String scriptFullPath = Utils.JYTHON_SRC_PATH + "irdatarules/" +
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			pyScript;
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		Utils.info("irdataRuleDef.getID()=" + irdataRuleDef.getID());
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		Utils.info("scriptFullPath=" + scriptFullPath);
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		this.exec(scriptFullPath);
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	}
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	/**
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	 *
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	 * @return
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	 */
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	@SuppressWarnings("unchecked")
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	public List getValues() {
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		if(this.py == null) {
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			throw new IllegalStateException("Exec is not called yet");
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		}
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		PyObject values = this.py.get("values");
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		return (PyList)values;
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	}
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}