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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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package in.shop2020.util;
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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.ExpandedFacetDefinition;
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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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import org.python.util.PythonInterpreter;
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import org.python.util.PythonInterpreter;
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/**
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/**
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 * Wrapper around work done by Jython scripts
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 *
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 * @author naveen
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 * @author naveen
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 *
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 *
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 */
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 */
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public class JythonWrapper {
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public class JythonWrapper {
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	/**
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	/**
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	 * Private Python interpreter instance
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	 * Private Python interpreter instance
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	 */
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	 */
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	private PythonInterpreter py = null;
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	protected PythonInterpreter py = null;
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	/**
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	 * Local instance of Facet Definition - Used to pick script to execute
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	 */
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	private ExpandedFacetDefinition expandedFacetDefinition = null;
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	/**
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	/**
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	 * Resets current PythonInterpreter instance
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	 * Initialises PythonInterpreter instance
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	 */
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	 */
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	public void initialize() {
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	public void initialize() {
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		this.py = null;
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		this.expandedFacetDefinition = null;
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	}
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	/**
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	 *
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	 * @param expandedFacetDefinition
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	 */
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	public void setExpandedFacetDefinition(
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			ExpandedFacetDefinition expandedFacetDefinition) {
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		if(this.py == null) {
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			this.py = new PythonInterpreter();
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		}
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		this.expandedFacetDefinition = expandedFacetDefinition;
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		this.py.set("expFacetDef", expandedFacetDefinition);
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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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		if(this.py == null) {
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			this.py = new PythonInterpreter();
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		}
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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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		if(this.py == null) {
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			this.py = new PythonInterpreter();
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		}
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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 feature
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	 */
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	public void setExpandedFeature(ExpandedFeature expandedFeature) {
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		if(this.py == null) {
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			this.py = new PythonInterpreter();
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		}
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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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		if(this.py == null) {
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		if(this.py == null) {
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			this.py = new PythonInterpreter();
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			this.py = new PythonInterpreter();
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		}
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		}
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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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	/**
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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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		if(this.py == null) {
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			this.py = new PythonInterpreter();
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	 * Resets current PythonInterpreter instance
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		}
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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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	 */
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	public void execIRDataRule() {
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	public void reset() {
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		if(this.py == null || this.expandedFacetDefinition == 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.expandedFacetDefinition.getIrdataRuleDefinition();
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		String pyScript = irdataRuleDef.getScript();
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		String scriptFullPath = IR.JYTHON_SRC_PATH + "irdatarules/" + 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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		this.py = null;
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	}
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	}
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	/**
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	/**
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	 * Executes Jython script given absolute path
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	 * Executes Jython script given absolute path
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	 *
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	 *
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	 * @param filename
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	 * @param filename
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	 */
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	 */
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	public void exec(String filename) {
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	public void exec(String filename) {
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		if(this.py == null) {
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		this.initialize();
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			this.py = new PythonInterpreter();
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		}
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		this.py.execfile(filename);
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		this.py.execfile(filename);
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	}
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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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}
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}