/**
* Adds a handlesMimetypes restriction to the query.
*
* <p>Note that all mimetypes added using the methods {@link #addHandlesMimetype(String...)},
* {@link #addHandlesMimetypeWildcard(String...)}, {@link #addHandlesMimetypes(String, String)}
* and {@link #addHandlesMimetypesWildcard(String, String)} will be concatenated using UNION.
*
* @param leftMimetype the left mimetype
* @param rightMimetype the right mimetype
* @return this query
*/
public ComponentQuery addHandlesMimetypes(String leftMimetype, String rightMimetype) {
if (leftMimetype != null
&& !leftMimetype.isEmpty()
&& rightMimetype != null
&& !rightMimetype.isEmpty()) {
Node node = NodeFactory.createAnon();
ElementGroup group = new ElementGroup();
group.addTriplePattern(
new Triple(wfNode, NodeFactory.createURI(ONTOLOGY_IRI + "handlesMimetypes"), node));
group.addTriplePattern(
new Triple(
node,
NodeFactory.createURI(TYPE_IRI),
NodeFactory.createURI(ONTOLOGY_IRI + "AcceptedMimetypes")));
group.addTriplePattern(
new Triple(
node,
NodeFactory.createURI(ONTOLOGY_IRI + "handlesLeftMimetype"),
NodeFactory.createLiteral(leftMimetype)));
group.addTriplePattern(
new Triple(
node,
NodeFactory.createURI(ONTOLOGY_IRI + "handlesRightMimetype"),
NodeFactory.createLiteral(rightMimetype)));
handlesMimetypes.addElement(group);
}
return this;
}
@Test
public void testQueryAddValuesInQueryPattern() {
List<Var> header = vars("a", "b");
Binding b1 = binding(header, "1", "2");
Binding b2 = binding(header, "3", "4");
Query q = QueryFactory.create("SELECT * {}");
ElementGroup group = new ElementGroup();
ElementData table = new ElementData();
table.add(Var.alloc("a"));
table.add(Var.alloc("b"));
table.add(b1);
table.add(b2);
group.addElement(q.getQueryPattern());
group.addElement(table);
q.setQueryPattern(group);
ResultSet rs = QueryExecutionFactory.create(q, ModelFactory.createDefaultModel()).execSelect();
assertEquals(Arrays.asList(new String[] {"a", "b"}), rs.getResultVars());
assertTrue(rs.hasNext());
assertEquals(b1, rs.nextBinding());
assertTrue(rs.hasNext());
assertEquals(b2, rs.nextBinding());
assertFalse(rs.hasNext());
}
public static Model exec(Model model, final Table table, Query query) throws IOException {
OntModel inferencedModel = ModelFactory.createOntologyModel(OntModelSpec.OWL_MEM);
ElementData tableElementData =
new ElementData() {
@Override
public Table getTable() {
return table;
}
};
for (Var var : table.getVars()) {
tableElementData.add(var);
}
ElementGroup elementGroup = new ElementGroup();
elementGroup.addElement(tableElementData);
if (query.getQueryPattern() instanceof ElementGroup) {
for (Element element : ((ElementGroup) query.getQueryPattern()).getElements()) {
elementGroup.addElement(element);
}
} else {
elementGroup.addElement(query.getQueryPattern());
}
query.setQueryPattern(elementGroup);
// QueryExecution ex = QueryExecutionFactory.create(query, model);
QueryExecution ex = ARQFactory.get().createQueryExecution(query, model);
if (query.isConstructType()) {
ex.execConstruct(inferencedModel);
} else {
inferencedModel.add(ex.execSelect().getResourceModel());
}
return inferencedModel;
}
/** Finishes the handles mimetype filter */
private void finishHandlesMimetypes() {
if (handlesMimetypes != null && !handlesMimetypes.getElements().isEmpty()) {
if (handlesMimetypes.getElements().size() > 1) {
query.addElement(handlesMimetypes);
} else {
query.addElement(handlesMimetypes.getElements().get(0));
}
}
}
/** Finishes the source migration path filter. */
private void finishMigrationPathSource() {
if (migrationPathSource != null && !migrationPathSource.getElements().isEmpty()) {
if (migrationPathSource.getElements().size() > 1) {
query.addElement(migrationPathSource);
} else {
query.addElement(migrationPathSource.getElements().get(0));
}
}
}
/**
* Fetches all elements of the optional, i.e., of the OPTIONAL clause. query
*
* @param query Input query
* @return List of elements from the OPTIONAL clause if there is one, else null
*/
private static List<Element> getOptionalElements(Query query) {
ElementGroup elt = (ElementGroup) query.getQueryPattern();
for (int i = 0; i < elt.getElements().size(); i++) {
Element e = elt.getElements().get(i);
if (e instanceof ElementOptional) {
return ((ElementGroup) ((ElementOptional) e).getOptionalElement()).getElements();
}
}
return new ArrayList<Element>();
}
/**
* Fetches all elements of the query body, i.e., of the WHERE clause of a query
*
* @param query Input query
* @return List of elements from the WHERE clause
*/
private static List<Element> getWhereElements(Query query) {
List<Element> result = new ArrayList<Element>();
ElementGroup elt = (ElementGroup) query.getQueryPattern();
for (int i = 0; i < elt.getElements().size(); i++) {
Element e = elt.getElements().get(i);
if (!(e instanceof ElementOptional)) {
result.add(e);
}
}
return result;
}
/**
* Adds an output port type restriction to the query.
*
* @param provides the port type
* @return this query
*/
public ComponentQuery addOutputPort(String provides) {
if (provides != null && !provides.isEmpty()) {
Node node = NodeFactory.createAnon();
ElementGroup group = new ElementGroup();
group.addTriplePattern(
new Triple(wfNode, NodeFactory.createURI(WFDESC_IRI + "hasOutput"), node));
group.addTriplePattern(
new Triple(
node,
NodeFactory.createURI(ONTOLOGY_IRI + "provides"),
NodeFactory.createURI(provides)));
query.addElement(group);
}
return this;
}
/** Finishes the dependency label filter. */
private void finishDependencyLabelFilter() {
if (dependencyLabelPattern != null && !dependencyLabelPattern.isEmpty()) {
Node processNode = NodeFactory.createAnon();
Node installationNode = NodeFactory.createAnon();
Node dependencyNode = NodeFactory.createAnon();
Node dependencyLabel = NodeFactory.createVariable("dependencyLabel");
ElementGroup group = new ElementGroup();
group.addTriplePattern(
new Triple(wfNode, NodeFactory.createURI(WFDESC_IRI + "hasSubProcess"), processNode));
group.addTriplePattern(
new Triple(
processNode,
NodeFactory.createURI(ONTOLOGY_IRI + "requiresInstallation"),
installationNode));
group.addTriplePattern(
new Triple(
installationNode,
NodeFactory.createURI(ONTOLOGY_IRI + "dependsOn"),
dependencyNode));
group.addTriplePattern(
new Triple(dependencyNode, NodeFactory.createURI(SKOS_LABEL), dependencyLabel));
query.addElement(group);
ElementFilter filter =
new ElementFilter(
new E_StrContains(
new ExprVar(dependencyLabel), new NodeValueString(dependencyLabelPattern)));
query.addElementFilter(filter);
}
}
protected ElementGroup getWhereClauseWithBlankNodeFilter(Triple triplePattern) {
Node s = triplePattern.getSubject();
Node o = triplePattern.getObject();
ElementGroup whereClause = new ElementGroup();
whereClause.addTriplePattern(triplePattern);
if (s.isVariable()) {
whereClause.addElementFilter(
new ElementFilter(new E_LogicalNot(new E_IsBlank(new ExprVar(s)))));
}
if (o.isVariable()) {
whereClause.addElementFilter(
new ElementFilter(new E_LogicalNot(new E_IsBlank(new ExprVar(o)))));
}
return whereClause;
}
/**
* Adds a handlesMimetype restriction to the query.
*
* <p>Note that all mimetypes added using the methods {@link #addHandlesMimetype(String...)},
* {@link #addHandlesMimetypeWildcard(String...)}, {@link #addHandlesMimetypes(String, String)}
* and {@link #addHandlesMimetypesWildcard(String, String)} will be concatenated using UNION.
*
* @param mimetypes the mimetypes
* @return this query
*/
public ComponentQuery addHandlesMimetype(String... mimetypes) {
if (mimetypes != null && mimetypes.length > 0) {
ElementGroup elements = new ElementGroup();
Set<String> mimeset = new HashSet<String>();
Collections.addAll(mimeset, mimetypes);
for (String mimetype : mimeset) {
if (mimetype != null) {
elements.addTriplePattern(
new Triple(
wfNode,
NodeFactory.createURI(ONTOLOGY_IRI + "handlesMimetype"),
NodeFactory.createLiteral(mimetype)));
}
}
handlesMimetypes.addElement(elements);
}
return this;
}
/**
* Adds a migration path source restriction to the query.
*
* <p>Note that all mimetypes added using the methods {@link #addMigrationPath(String)}, {@link
* #addMigrationPathWildcard(String)} will be concatenated using UNION.
*
* @param sourceMimetype the source mimetype
* @return this query
*/
public ComponentQuery addMigrationPath(String sourceMimetype) {
if (sourceMimetype != null && !sourceMimetype.isEmpty()) {
Node node = NodeFactory.createAnon();
ElementGroup group = new ElementGroup();
group.addTriplePattern(
new Triple(wfNode, NodeFactory.createURI(ONTOLOGY_IRI + "migrates"), node));
group.addTriplePattern(
new Triple(
node,
NodeFactory.createURI(TYPE_IRI),
NodeFactory.createURI(ONTOLOGY_IRI + "MigrationPath")));
group.addTriplePattern(
new Triple(
node,
NodeFactory.createURI(ONTOLOGY_IRI + "sourceMimetype"),
NodeFactory.createLiteral(sourceMimetype)));
migrationPathSource.addElement(group);
}
return this;
}
/**
* Adds a profile restriction to the query.
*
* @param profile the profile
* @return this query
*/
public ComponentQuery addProfile(String profile) {
if (profile != null && !profile.isEmpty()) {
Triple t =
new Triple(
wfNode,
NodeFactory.createURI(ONTOLOGY_IRI + "fits"),
NodeFactory.createURI(profile));
query.addTriplePattern(t);
}
return this;
}
/**
* Adds an environment restriction to the query.
*
* @param environment the environment
* @return this query
*/
public ComponentQuery addInstallationEnvironment(String environment) {
if (environment != null && !environment.isEmpty()) {
Node processNode = NodeFactory.createAnon();
Node installationNode = NodeFactory.createAnon();
ElementGroup group = new ElementGroup();
group.addTriplePattern(
new Triple(wfNode, NodeFactory.createURI(WFDESC_IRI + "hasSubProcess"), processNode));
group.addTriplePattern(
new Triple(
processNode,
NodeFactory.createURI(ONTOLOGY_IRI + "requiresInstallation"),
installationNode));
group.addTriplePattern(
new Triple(
installationNode,
NodeFactory.createURI(ONTOLOGY_IRI + "hasEnvironment"),
NodeFactory.createURI(environment)));
query.addElement(group);
}
return this;
}
/**
* Adds a measure output port restriction to the query.
*
* @param relatedObject the object related to the measures
* @param measure the measure
* @return this query
*/
public ComponentQuery addMeasureOutputPort(String relatedObject, String measure) {
if (measure != null && !measure.isEmpty()) {
Node node = NodeFactory.createAnon();
ElementGroup group = new ElementGroup();
group.addTriplePattern(
new Triple(wfNode, NodeFactory.createURI(WFDESC_IRI + "hasOutput"), node));
if (relatedObject != null && !relatedObject.isEmpty()) {
group.addTriplePattern(
new Triple(
node,
NodeFactory.createURI(ONTOLOGY_IRI + "relatesTo"),
NodeFactory.createURI(ONTOLOGY_IRI + relatedObject)));
}
group.addTriplePattern(
new Triple(
node,
NodeFactory.createURI(ONTOLOGY_IRI + "provides"),
NodeFactory.createURI(measure)));
query.addElement(group);
}
return this;
}
/** Finishes the migration path to filter. */
private void finishMigrationPathFilter() {
if (migrationPathTargetPattern != null && !migrationPathTargetPattern.isEmpty()) {
Node migrationPath = NodeFactory.createAnon();
Node toMimetype = NodeFactory.createVariable("migrationPathTarget");
ElementGroup group = new ElementGroup();
group.addTriplePattern(
new Triple(wfNode, NodeFactory.createURI(ONTOLOGY_IRI + "migrates"), migrationPath));
group.addTriplePattern(
new Triple(
migrationPath,
NodeFactory.createURI(TYPE_IRI),
NodeFactory.createURI(ONTOLOGY_IRI + "MigrationPath")));
group.addTriplePattern(
new Triple(
migrationPath, NodeFactory.createURI(ONTOLOGY_IRI + "targetMimetype"), toMimetype));
query.addElement(group);
ElementFilter filter =
new ElementFilter(
new E_StrContains(
new ExprVar(toMimetype), new NodeValueString(migrationPathTargetPattern)));
query.addElementFilter(filter);
}
}
/**
* Adds an element to the query.
*
* @param element the element to add
* @return this query
*/
public ComponentQuery addElement(Element element) {
query.addElement(element);
return this;
}
/* @see com.hp.hpl.jena.sparql.syntax.ElementVisitorBase#visit(com.hp.hpl.jena.sparql.syntax.ElementGroup) */
@Override
public void visit(final ElementGroup elementgroup) {
for (final Element e : elementgroup.getElements()) {
e.visit(this);
}
}
