Java Code Examples for org.openrdf.model.Value#equals()
The following examples show how to use
org.openrdf.model.Value#equals() .
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Example 1
| Source File: OwlNormalizer.java From anno4j with Apache License 2.0 | 5 votes |
|
private void hasValueFromList() {
ValueFactory vf = getValueFactory();
for (Statement st : ds.match(null, OWL.HASVALUE, null)) {
Resource res = st.getSubject();
Value obj = st.getObject();
if (obj instanceof Resource) {
BNode node = vf.createBNode();
ds.add(res, OWL.ALLVALUESFROM, node);
ds.add(node, RDF.TYPE, OWL.CLASS);
BNode list = vf.createBNode();
ds.add(node, OWL.ONEOF, list);
ds.add(list, RDF.TYPE, RDF.LIST);
ds.add(list, RDF.FIRST, obj);
ds.add(list, RDF.REST, RDF.NIL);
for (Value type : ds.match(obj, RDF.TYPE, null).objects()) {
ds.add(node, RDFS.SUBCLASSOF, type);
}
for (Value prop : ds.match(res, OWL.ONPROPERTY, null).objects()) {
for (Value range : ds.match(prop, RDFS.RANGE, null).objects()) {
ds.add(node, RDFS.SUBCLASSOF, range);
}
for (Resource cls : ds.match(null, RDFS.SUBCLASSOF, res).subjects()) {
for (Value sup : findSuperClasses(cls)) {
if (!sup.equals(res) && !ds.match(sup, OWL.ONPROPERTY, prop).isEmpty()) {
for (Value from : ds.match(sup, OWL.ALLVALUESFROM, null).objects()) {
ds.add(node, RDFS.SUBCLASSOF, from);
}
}
}
}
}
}
}
}
Example 2
| Source File: ForwardChainingRDFSInferencerConnection.java From semweb4j with BSD 2-Clause "Simplified" License | 5 votes |
|
/**
* ppp nrl:inverseProperty qqq
* -->
* qqq nrl:inverseProperty ppp
* ppp a rdf:Property
* qqq a rdf:Property
*
* @return
* @throws SailException
*/
private int applyRuleN3()
throws SailException
{
int nofInferred = 0;
Iterator<Statement> it1 = this.newThisIteration.match(null, NRL_InverseProperty, null);
while (it1.hasNext()) {
Statement stmt1 = it1.next();
Resource ppp = stmt1.getSubject();
if(ppp instanceof URI) {
// infer: ppp is a property
boolean addedPPP = addInferredStatement(ppp, RDF.TYPE, RDF.PROPERTY);
if (addedPPP) {
nofInferred++;
}
}
Value qqq = stmt1.getObject();
if(qqq instanceof Resource) {
if(qqq instanceof URI) {
// infer: qqq is a property
boolean addedQQQ = addInferredStatement((URI)qqq, RDF.TYPE, RDF.PROPERTY);
if (addedQQQ) {
nofInferred++;
}
}
if(! qqq.equals(ppp)) {
// infer: qqq inverse ppp
boolean added = addInferredStatement((Resource)qqq, NRL_InverseProperty, ppp);
if (added) {
nofInferred++;
}
}
}
}
return nofInferred;
}
Example 3
| Source File: ObjectArrayCursor.java From anno4j with Apache License 2.0 | 4 votes |
|
private boolean equals(Value v1, Value v2) {
return v1 == v2 || v1 != null && v1.equals(v2);
}
Example 4
| Source File: ObjectCursor.java From anno4j with Apache License 2.0 | 4 votes |
|
private boolean equals(Value v1, Value v2) {
return v1 == v2 || v1 != null && v1.equals(v2);
}
Example 5
| Source File: BigdataGraph.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Convert a unit of RDF data to an atomic unit of PG data.
*/
protected BigdataGraphAtom toGraphAtom(final URI s, final URI p, final Value o) {
final String sid = factory.fromURI(s);
final String pid = factory.fromURI(p);
final BigdataGraphAtom atom;
if (o instanceof URI) {
/*
* Either an edge or an element type statement.
*/
if (p.equals(factory.getTypeURI()) &&
(o.equals(factory.getVertexURI()) || o.equals(factory.getEdgeURI()))) {
/*
* Element type.
*/
if (o.equals(factory.getVertexURI())) {
atom = new ExistenceAtom(sid, ElementType.VERTEX);
} else {
atom = new ExistenceAtom(sid, ElementType.EDGE);
}
} else {
/*
* Edge.
*/
final String oid = factory.fromURI((URI) o);
atom = new EdgeAtom(pid, sid, oid);
}
} else {
/*
* A property or the edge label.
*/
if (p.equals(factory.getLabelURI())) {
/*
* Edge label.
*/
final String label = factory.fromLiteral((Literal) o).toString();
atom = new EdgeLabelAtom(sid, label);
} else {
/*
* Property.
*/
final Object oval = factory.fromLiteral((Literal) o);
atom = new PropertyAtom(sid, pid, oval);
}
}
return atom;
}
Example 6
| Source File: GPO.java From database with GNU General Public License v2.0 | 4 votes |
|
/**
* Remove the statement for the predicate and value if found, returning
* true IFF the statement was removed.
*
* @return <code>true</code> iff the statement was removed.
*/
public boolean remove(final GPO owner, final Value value) {
if (value == null)
throw new IllegalArgumentException();
// if on m_values then move to m_removed
LinkValue test = m_values;
LinkValue prev = null;
while (test != null) {
if (value.equals(test.m_value)) {
if (prev == null) {
m_values = test.m_next;
} else {
prev.m_next = test.m_next;
}
// add to removed values
test.m_next = m_removedValues;
m_removedValues = test;
m_size--;
return true;
}
prev = test;
test = test.m_next;
}
// if on m_added then just remove it
test = m_addedValues;
prev = null;
while (test != null) {
if (value.equals(test.m_value)) {
if (prev == null) {
m_addedValues = test.m_next;
} else {
prev.m_next = test.m_next;
}
m_size--;
return true;
}
prev = test;
test = test.m_next;
}
return false;
}
Example 7
| Source File: WebTestUtils.java From cumulusrdf with Apache License 2.0 | 4 votes |
|
/**
* Copied from org.openrdf.query.QueryResultUtil
*/
private static boolean bindingSetsMatch(final BindingSet bs1, final BindingSet bs2) {
if (bs1.size() != bs2.size()) {
return false;
}
for (Binding binding1 : bs1) {
Value value1 = binding1.getValue();
Value value2 = bs2.getValue(binding1.getName());
if ((value1 instanceof BNode) && (value2 instanceof BNode)) {
// BNode mappedBNode = bNodeMapping.get(value1);
//
// if (mappedBNode != null) {
// // bNode 'value1' was already mapped to some other bNode
// if (!value2.equals(mappedBNode)) {
// // 'value1' and 'value2' do not match
// return false;
// }
// } else {
// // 'value1' was not yet mapped, we need to check if 'value2'
// // is a
// // possible mapping candidate
// if (bNodeMapping.containsValue(value2)) {
// // 'value2' is already mapped to some other value.
// return false;
// }
// }
return value1.equals(value2);
} else {
// values are not (both) bNodes
if ((value1 instanceof Literal) && (value2 instanceof Literal)) {
// do literal value-based comparison for supported datatypes
Literal leftLit = (Literal) value1;
Literal rightLit = (Literal) value2;
URI dt1 = leftLit.getDatatype();
URI dt2 = rightLit.getDatatype();
if ((dt1 != null) && (dt2 != null) && dt1.equals(dt2) && XMLDatatypeUtil.isValidValue(leftLit.getLabel(), dt1)
&& XMLDatatypeUtil.isValidValue(rightLit.getLabel(), dt2)) {
Integer compareResult = null;
if (dt1.equals(XMLSchema.DOUBLE)) {
compareResult = Double.compare(leftLit.doubleValue(), rightLit.doubleValue());
} else if (dt1.equals(XMLSchema.FLOAT)) {
compareResult = Float.compare(leftLit.floatValue(), rightLit.floatValue());
} else if (dt1.equals(XMLSchema.DECIMAL)) {
compareResult = leftLit.decimalValue().compareTo(rightLit.decimalValue());
} else if (XMLDatatypeUtil.isIntegerDatatype(dt1)) {
compareResult = leftLit.integerValue().compareTo(rightLit.integerValue());
} else if (dt1.equals(XMLSchema.BOOLEAN)) {
Boolean leftBool = Boolean.valueOf(leftLit.booleanValue());
Boolean rightBool = Boolean.valueOf(rightLit.booleanValue());
compareResult = leftBool.compareTo(rightBool);
} else if (XMLDatatypeUtil.isCalendarDatatype(dt1)) {
XMLGregorianCalendar left = leftLit.calendarValue();
XMLGregorianCalendar right = rightLit.calendarValue();
compareResult = left.compare(right);
}
if (compareResult != null) {
if (compareResult.intValue() != 0) {
return false;
}
} else if (!value1.equals(value2)) {
return false;
}
} else if (!value1.equals(value2)) {
return false;
}
} else if (!value1.equals(value2)) {
return false;
}
}
}
return true;
}
