AddLiteralNodeConsolidator.java

package edu.isi.karma.controller.command.alignment;

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

import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;
import org.json.JSONArray;

import edu.isi.karma.controller.command.Command;
import edu.isi.karma.controller.command.ICommand;
import edu.isi.karma.controller.history.CommandConsolidator;
import edu.isi.karma.controller.history.HistoryJsonUtil;
import edu.isi.karma.rep.Workspace;

public class AddLiteralNodeConsolidator extends CommandConsolidator {

	@Override
    public Pair<ICommand, Object> consolidateCommand(List<ICommand> commands, 
    		ICommand newCommand, Workspace workspace) {
        if (newCommand instanceof AddLiteralNodeCommand) {
        	String nodeId = ((AddLiteralNodeCommand)newCommand).getNodeId();
        	if(nodeId != null) {
	            String model = newCommand.getModel();
	            Iterator<ICommand> itr = commands.iterator();
	            while(itr.hasNext()) {
	                ICommand tmp = itr.next();
	                if (tmp.getModel().equals(model)
	                        && ((Command)tmp).getOutputColumns().equals(((Command)newCommand).getOutputColumns())
	                        && (tmp instanceof AddLiteralNodeCommand)) {
	                	String tmpNodeId = ((AddLiteralNodeCommand)tmp).getNodeId();
	                	if(tmpNodeId != null && tmpNodeId.equals(nodeId))
	                		return new ImmutablePair<>(tmp, (Object)newCommand);
	                }
	            }
        	}
        }
        return null;
    }

}