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70 naveen 1 
/**
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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.CMPRuleDefinition;
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import in.shop2020.metamodel.definitions.Category;
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import in.shop2020.metamodel.util.ExpandedCMPSlideRuleDefinition;
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import in.shop2020.metamodel.util.ExpandedSlide;
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import org.python.core.PyFloat;
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import org.python.core.PyInteger;
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/**
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 * Wrapper around Jython for Comparison 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 CMPJythonWrapper extends JythonWrapper {
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	/**
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	 * Local instance of CMPSlideRuleDefinition - Used to pick script to execute
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	 */
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	private ExpandedCMPSlideRuleDefinition
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		expandedCMPSlideRuleDefinition = 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.expandedCMPSlideRuleDefinition = null;
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	}
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	/**
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	 * Executes Comparison rule from ExpandedCMPSlideRuleDefinition instance
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	 */
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	public void executeRule() {
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		if(this.py == null || this.expandedCMPSlideRuleDefinition == null) {
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			throw new IllegalStateException(
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					"Not initialized properly");
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		}
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		CMPRuleDefinition cmpRuleDef =
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			this.expandedCMPSlideRuleDefinition.getCMPRuleDefinition();
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		String pyScript = cmpRuleDef.getScript();
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		String scriptFullPath = Utils.JYTHON_SRC_PATH + "comparisonrules/" +
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			pyScript;
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		Utils.info("cmpRuleDef.getID()=" + cmpRuleDef.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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	 * @param expandedCMPSlideRuleDefinition the expandedCMPSlideRuleDefinition
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	 * to set
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	 */
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	public void setExpandedCMPSlideRuleDefinition(
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			ExpandedCMPSlideRuleDefinition expandedCMPSlideRuleDefinition) {
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		this.initialize();
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		this.expandedCMPSlideRuleDefinition = expandedCMPSlideRuleDefinition;
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		this.py.set("expCMPSlideRuleDef", expandedCMPSlideRuleDefinition);
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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 setExpandedSlide(ExpandedSlide expandedSlide) {
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		this.initialize();
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		this.py.set("expSlide", expandedSlide);
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	}
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	/**
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	 * Set the category
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	 * @param category
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	 */
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	public void setCategory(Category category) {
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		this.initialize();
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		this.py.set("categoryObj", category);
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	}
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	/**
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	 * Return integer score value
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	 *
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	 * @return int score
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	 */
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	public double getScore() {
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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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		PyFloat score;
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		try{
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			 score = (PyFloat)this.py.get("score");
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		}catch(Exception e){
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			Utils.severe("No score returned from script");
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			score = null;
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		}
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		if(score == null) {
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			CMPRuleDefinition cmpRuleDef =
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				this.expandedCMPSlideRuleDefinition.getCMPRuleDefinition();
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			String pyScript = cmpRuleDef.getScript();
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			Utils.severe("No score returned from script " + pyScript);
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			return -1;
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		}
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		return score.asDouble();
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	}
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}