org.ontoware.rdfreactor.runtime.OOQueryResultTableImpl Maven / Gradle / Ivy

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RDFReactor creates domain-specific, type-safe Java classes which act as a view over domain-free, loosely typed RDF instances. This library needs to be shipped together with generated classes.

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package org.ontoware.rdfreactor.runtime;

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

import org.ontoware.aifbcommons.collection.ClosableIterator;
import org.ontoware.rdf2go.exception.ModelRuntimeException;
import org.ontoware.rdf2go.model.Model;
import org.ontoware.rdf2go.model.QueryResultTable;

public class OOQueryResultTableImpl implements OOQueryResultTable {

	/**
     * 
     */
    private static final long serialVersionUID = 1L;

	private Model m;

	private Map> returnTypes;

	private QueryResultTable resultTable;

	public OOQueryResultTableImpl(Model m, Map> returnTypes, String sparqlSelectQuery)
			throws ModelRuntimeException {

		this.resultTable = m.sparqlSelect(sparqlSelectQuery);

		if (!sparqlSelectQuery.contains("SELECT")) {
			throw new ModelRuntimeException("The given query is not a SELECT query");
		}
		// else
		this.m = m;
		this.returnTypes = returnTypes;
	}

	public List getVariables() {
		return this.resultTable.getVariables();
	}

	public ClosableIterator iterator() {
		return new SparqlIterator(this, this.resultTable.iterator());
	}

	public Model getModel() {
		return this.m;
	}

	public Class getReturnType(String varname) {
		return this.returnTypes.get(varname);
	}

}