@Override
public <T> void setProperty(final PropertyKey<T> key, final T value) throws FrameworkException {
// check for read-only properties
// if (StructrApp.getConfiguration().isReadOnlyProperty(type, key) ||
// (StructrApp.getConfiguration().isWriteOnceProperty(type, key) && (dbRelationship != null) &&
// dbRelationship.hasProperty(key.name()))) {
if (key.isReadOnly()
|| (key.isWriteOnce()
&& (dbRelationship != null)
&& dbRelationship.hasProperty(key.dbName()))) {
if (readOnlyPropertiesUnlocked || securityContext.isSuperUser()) {
// permit write operation once and
// lock read-only properties again
readOnlyPropertiesUnlocked = false;
} else {
throw new FrameworkException(getClass().getSimpleName(), new ReadOnlyPropertyToken(key));
}
}
key.setProperty(securityContext, this, value);
}
private synchronized <
A extends NodeInterface, B extends NodeInterface, R extends Relation<A, B, ?, ?>>
R createRelationship(
final A fromNode, final B toNode, final Class<R> relType, final PropertyMap properties)
throws FrameworkException {
final RelationshipFactory<R> factory = new RelationshipFactory(securityContext);
final R template = instantiate(relType);
final Node startNode = fromNode.getNode();
final Node endNode = toNode.getNode();
final Relationship rel = startNode.createRelationshipTo(endNode, template);
final R newRel = factory.instantiate(rel);
final Date now = new Date();
// logger.log(Level.INFO, "CREATING relationship {0}-[{1}]->{2}", new Object[] {
// fromNode.getType(), newRel.getRelType(), toNode.getType() } );
if (newRel != null) {
newRel.unlockReadOnlyPropertiesOnce();
newRel.setProperty(GraphObject.type, relType.getSimpleName());
// set UUID
newRel.unlockReadOnlyPropertiesOnce();
newRel.setProperty(GraphObject.id, getNextUuid());
// set created date
newRel.unlockReadOnlyPropertiesOnce();
newRel.setProperty(AbstractRelationship.createdDate, now);
// set last modified date
newRel.unlockReadOnlyPropertiesOnce();
newRel.setProperty(AbstractRelationship.lastModifiedDate, now);
// Try to get the cascading delete flag from the domain specific relationship type
newRel.unlockReadOnlyPropertiesOnce();
newRel.setProperty(
AbstractRelationship.cascadeDelete, factory.instantiate(rel).getCascadingDeleteFlag());
// notify transaction handler
TransactionCommand.relationshipCreated(newRel);
if (properties != null) {
for (Entry<PropertyKey, Object> entry : properties.entrySet()) {
PropertyKey key = entry.getKey();
// on creation, writing of read-only properties should be possible
if (key.isReadOnly() || key.isWriteOnce()) {
newRel.unlockReadOnlyPropertiesOnce();
}
newRel.setProperty(entry.getKey(), entry.getValue());
}
}
// notify relationship of its creation
newRel.onRelationshipCreation();
// iterate post creation transformations
for (Transformation<GraphObject> transformation :
StructrApp.getConfiguration().getEntityCreationTransformations(newRel.getClass())) {
transformation.apply(securityContext, newRel);
}
}
return newRel;
}