@Test
public void shouldRetrieveReferenceProperties() throws Exception {
Node referenceableNode = session.getRootNode().addNode("referenceable");
referenceableNode.addMixin(JcrMixLexicon.REFERENCEABLE.toString());
Node node1 = session.getRootNode().addNode("node1");
Property prop1 =
node1.setProperty("prop1", session.getValueFactory().createValue(referenceableNode, false));
Property prop2 =
node1.setProperty("prop2", session.getValueFactory().createValue(referenceableNode, true));
Node node2 = session.getRootNode().addNode("node2");
Property prop3 =
node2.setProperty("prop3", session.getValueFactory().createValue(referenceableNode, false));
Property prop4 =
node2.setProperty("prop4", session.getValueFactory().createValue(referenceableNode, true));
session.save();
// check all strong references
PropertyIterator propertyIterator = referenceableNode.getReferences();
assertEquals(2, propertyIterator.getSize());
Set<String> propertyNames = new HashSet<String>(2);
while (propertyIterator.hasNext()) {
propertyNames.add(propertyIterator.nextProperty().getName());
}
assertTrue(propertyNames.contains(prop1.getName()) && propertyNames.contains(prop3.getName()));
propertyIterator = referenceableNode.getReferences("prop1");
assertEquals(1, propertyIterator.getSize());
assertEquals(prop1.getName(), propertyIterator.nextProperty().getName());
propertyIterator = referenceableNode.getReferences("unknown");
assertEquals(0, propertyIterator.getSize());
// check all weak references
propertyIterator = referenceableNode.getWeakReferences();
assertEquals(2, propertyIterator.getSize());
propertyNames = new HashSet<String>(2);
while (propertyIterator.hasNext()) {
propertyNames.add(propertyIterator.nextProperty().getName());
}
assertTrue(propertyNames.contains(prop2.getName()) && propertyNames.contains(prop4.getName()));
propertyIterator = referenceableNode.getWeakReferences("prop4");
assertEquals(1, propertyIterator.getSize());
assertEquals(prop4.getName(), propertyIterator.nextProperty().getName());
propertyIterator = referenceableNode.getWeakReferences("unknown");
assertEquals(0, propertyIterator.getSize());
}
@Override
public void delete() {
try {
@SuppressWarnings("unchecked")
final Iterator<Property> references = node.getReferences();
@SuppressWarnings("unchecked")
final Iterator<Property> weakReferences = node.getWeakReferences();
final Iterator<Property> inboundProperties = Iterators.concat(references, weakReferences);
while (inboundProperties.hasNext()) {
final Property prop = inboundProperties.next();
final List<Value> newVals = new ArrayList<>();
final Iterator<Value> propIt = property2values.apply(prop);
while (propIt.hasNext()) {
final Value v = propIt.next();
if (!node.equals(getSession().getNodeByIdentifier(v.getString()))) {
newVals.add(v);
LOGGER.trace("Keeping multivalue reference property when deleting node");
}
}
if (newVals.size() == 0) {
prop.remove();
} else {
prop.setValue(newVals.toArray(new Value[newVals.size()]));
}
}
final Node parent;
if (getNode().getDepth() > 0) {
parent = getNode().getParent();
} else {
parent = null;
}
final String name = getNode().getName();
node.remove();
if (parent != null) {
createTombstone(parent, name);
}
} catch (final RepositoryException e) {
throw new RepositoryRuntimeException(e);
}
}
