public NodeImpl getNodeForProxy(long nodeId, LockType lock) {
if (lock != null) {
lock.acquire(getTransactionState(), new NodeProxy(nodeId, nodeLookup));
}
NodeImpl node = getLightNode(nodeId);
if (node == null) {
throw new NotFoundException(format("Node %d not found", nodeId));
}
return node;
}
public RelationshipImpl getRelationshipForProxy(long relId, LockType lock) {
if (lock != null) {
lock.acquire(getTransactionState(), new RelationshipProxy(relId, relationshipLookups));
}
RelationshipImpl relationship = relCache.get(relId);
if (relationship != null) {
return relationship;
}
ReentrantLock loadLock = lockId(relId);
try {
relationship = relCache.get(relId);
if (relationship != null) {
return relationship;
}
RelationshipRecord data = persistenceManager.loadLightRelationship(relId);
if (data == null) {
throw new NotFoundException(format("Relationship %d not found", relId));
}
int typeId = data.getType();
RelationshipType type = getRelationshipTypeById(typeId);
if (type == null) {
throw new NotFoundException(
"Relationship["
+ data.getId()
+ "] exist but relationship type["
+ typeId
+ "] not found.");
}
relationship =
newRelationshipImpl(
relId, data.getFirstNode(), data.getSecondNode(), type, typeId, false);
// relCache.put( relId, relationship );
relCache.put(relationship);
return relationship;
} finally {
loadLock.unlock();
}
}
@Override
public String toString() {
return String.format("%s_LOCK(%s)", lockType.name(), lock);
}
public void release() {
lockType.release(lockManager, lock, tx);
}