SubjectMapPlan.java

/*******************************************************************************
 * Copyright 2014 University of Southern California
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * 	http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * This code was developed by the Information Integration Group as part 
 * of the Karma project at the Information Sciences Institute of the 
 * University of Southern California.  For more information, publications, 
 * and related projects, please see: http://www.isi.edu/integration
 ******************************************************************************/
package edu.isi.karma.kr2rml.planning;

import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import edu.isi.karma.controller.command.selection.SuperSelection;
import edu.isi.karma.kr2rml.SubjectMap;
import edu.isi.karma.kr2rml.URIFormatter;
import edu.isi.karma.kr2rml.exception.HNodeNotFoundKarmaException;
import edu.isi.karma.kr2rml.mapping.KR2RMLMapping;
import edu.isi.karma.kr2rml.mapping.KR2RMLMappingColumnNameHNodeTranslator;
import edu.isi.karma.kr2rml.template.ColumnTemplateTerm;
import edu.isi.karma.kr2rml.template.PopulatedTemplateTermSet;
import edu.isi.karma.kr2rml.template.TemplateTermSet;
import edu.isi.karma.kr2rml.template.TemplateTermSetPopulator;
import edu.isi.karma.kr2rml.template.TemplateTermSetPopulatorPlan;
import edu.isi.karma.rep.HNodePath;
import edu.isi.karma.rep.RepFactory;
import edu.isi.karma.rep.Row;

public class SubjectMapPlan extends MapPlan {
	protected TemplateTermSetPopulator subjectMapTTSPopulator;
	protected TemplateTermSetPopulatorPlan subjectPlan;
	protected Map<ColumnTemplateTerm, HNodePath> subjectTermsToPaths;
	
	public SubjectMapPlan(TriplesMap triplesMap, KR2RMLMapping kr2rmlMapping, 
			URIFormatter uriFormatter, RepFactory factory, 
			KR2RMLMappingColumnNameHNodeTranslator translator, 
			SuperSelection sel) throws HNodeNotFoundKarmaException
	{
		super(kr2rmlMapping, uriFormatter, factory, translator, sel);
		configureSubjectMapPlan(triplesMap);
	}
	public SubjectMap configureSubjectMapPlan(TriplesMap triplesMap)
			throws HNodeNotFoundKarmaException {
		subjectTermsToPaths = new HashMap<>();
		SubjectMap subjMap = triplesMap.getSubject();
		subjectMapTTSPopulator = generateTemplateTermSetPopulatorForSubjectMap(subjMap);
		populateTermsToPathForSubject(subjectTermsToPaths, subjectMapTTSPopulator.getTerms());
		subjectPlan = new TemplateTermSetPopulatorPlan(subjectTermsToPaths, subjectTermsToPaths.keySet(), selection);
		return subjMap;
	}
	
	public List<PopulatedTemplateTermSet> execute(Row r)
	{
		List<PopulatedTemplateTermSet> subjects = new LinkedList<>();
		subjects.addAll(subjectMapTTSPopulator.populate(r, subjectPlan));
		return subjects;
	}
	
	public TemplateTermSet getTemplate()
	{
		return subjectMapTTSPopulator.getTerms();
	}
	public Map<ColumnTemplateTerm, HNodePath> getSubjectTermsToPaths() {
		return subjectTermsToPaths;
	}
}