prerna.reactor.legacy.playsheets.RunPlaysheetMethodReactor Maven / Gradle / Ivy

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package prerna.reactor.legacy.playsheets;

import java.util.Hashtable;
import java.util.Map;

import prerna.om.OldInsight;
import prerna.reactor.AbstractReactor;
import prerna.sablecc2.om.GenRowStruct;
import prerna.sablecc2.om.PixelDataType;
import prerna.sablecc2.om.PixelOperationType;
import prerna.sablecc2.om.ReactorKeysEnum;
import prerna.sablecc2.om.nounmeta.NounMetadata;

public class RunPlaysheetMethodReactor extends AbstractReactor {

	public RunPlaysheetMethodReactor() {
		this.keysToGet = new String[]{"method", ReactorKeysEnum.PARAM_KEY.getKey()};
	}
	
	@Override
	public NounMetadata execute() {
		String method = getMethod();
		Map hash = getParamMap();
		if(this.insight instanceof OldInsight) {
			Object ret = ((OldInsight) this.insight).getPlaySheet().doMethod(method, hash);
			return new NounMetadata(ret, PixelDataType.CUSTOM_DATA_STRUCTURE, PixelOperationType.OLD_INSIGHT);
		} else {
			throw new IllegalArgumentException("This is a legacy pixel that should only be used for old insights");
		}
	}

	/**
	 * Get the method name to invoke via reflection
	 * @return
	 */
	private String getMethod() {
		GenRowStruct mapGrs = this.store.getNoun(this.keysToGet[0]);
		if(mapGrs != null && !mapGrs.isEmpty()) {
			return (String) mapGrs.get(0);
		}
		
		if(!curRow.isEmpty()) {
			return (String) curRow.get(0);
		}
		
		throw new IllegalArgumentException("Need to pass in method name");
	}
	
	/**
	 * Get the params for the method
	 * @return
	 */
	private Map getParamMap() {
		GenRowStruct mapGrs = this.store.getNoun(this.keysToGet[1]);
		if(mapGrs != null && !mapGrs.isEmpty()) {
			return (Map) mapGrs.get(0);
		}
		
		if(!curRow.isEmpty()) {
			return (Map) curRow.get(1);
		}
		
		return new Hashtable();
	}
}