All Downloads are FREE. Search and download functionalities are using the official Maven repository.
  • Log In
  • Register

    • prerna.reactor.qs.ChangeQueryReactor Maven / Gradle / Ivy

    The newest version!
    package prerna.reactor.qs;

import java.util.Iterator;
import java.util.List;
import java.util.Map;

import prerna.query.querystruct.AbstractQueryStruct;
import prerna.query.querystruct.SelectQueryStruct;
import prerna.sablecc2.om.PixelDataType;
import prerna.sablecc2.om.ReactorKeysEnum;

public class ChangeQueryReactor extends AbstractQueryStructReactor {

	// replaces part of the query - which ever the uses wishes to replace

	public ChangeQueryReactor() {
		this.keysToGet = new String[] { ReactorKeysEnum.QUERY_PART.getKey() };
	}

	protected AbstractQueryStruct createQueryStruct() {
		// if the query struct is empty fill this into the insight
		List mapOptions = this.curRow.getValuesOfType(PixelDataType.MAP);
		prerna.query.querystruct.SelectQueryStruct sqs = null;
		String panelId = insight.getLastPanelId();
		// try to see if this qs has a frame -

		// usually there should be just one
		// and that does it
		if (mapOptions != null && !mapOptions.isEmpty()) {
			// if it is null, i guess we just clear the map values
			// this.qs.setPragmap(mapOptions);
			Map input = (Map) mapOptions.get(0);
			if (input.containsKey("id"))
				panelId = (String) input.get("id");

			if (this.qs != null && !this.qs.getSelectors().isEmpty())
				sqs = (SelectQueryStruct) qs; // this ensures I can even use it enroute
			else
				sqs = insight.getLastQS(panelId);

			Iterator keyIterator = input.keySet().iterator();

			while (keyIterator.hasNext()) {
				String thisKey = (String) keyIterator.next();
				String value = (String) input.get(thisKey);
				thisKey = thisKey.toUpperCase();
				SelectQueryStruct.Query_Part part = null;

				switch (thisKey) {
				case "SELECT":
					part = SelectQueryStruct.Query_Part.SELECT;
					break;
				case "ORDER":
					part = SelectQueryStruct.Query_Part.SORT;
					break;
				case "GROUP":
					part = SelectQueryStruct.Query_Part.GROUP;
					break;
				case "AGGREGATE":
					part = SelectQueryStruct.Query_Part.AGGREGATE;
					break;
				case "FILTER":
					part = SelectQueryStruct.Query_Part.FILTER;
					break;
				case "QUERY":
					part = SelectQueryStruct.Query_Part.QUERY;
					break;
				}

				// if(qs != null)
				// ((SelectQueryStruct)qs).setPart(part, value);
				// else
				// this.insight.setPart(part, value);
				sqs.setPart(part, value);
			}
			// do it here
			if (input.size() == 0) {
				sqs.getParts().clear();
				insight.setLastQS(sqs, panelId);
			}
		}
		// need to do this to trigger the iterator
		/*
		reactor.In();
		reactor.setInsight(this.insight);
		reactor.setNounStore(this.store);
		return reactor.execute();
		*/

		// this is needed because the collect block looks for the last key to get the
		// task options
		// forget thread safety - it is for birds
		insight.setLastPanelId(panelId);

		if (sqs != null) {
			sqs.setLimit(-1);
		}

		return sqs;
	}
}
    
    
    
    

    




    
    
    © 2015 - 2025 Weber Informatics LLC | Privacy Policy