/**
* Creates a relationship with the given id, from the nodes identified by id and of type typeId
*
* @param id The id of the relationship to create.
* @param type The id of the relationship type this relationship will have.
* @param firstNodeId The id of the start node.
* @param secondNodeId The id of the end node.
*/
public void relationshipCreate(
long id, int type, long firstNodeId, long secondNodeId, RecordAccessSet recordChangeSet) {
// TODO could be unnecessary to mark as changed here already, dense nodes may not need to change
NodeRecord firstNode =
recordChangeSet.getNodeRecords().getOrLoad(firstNodeId, null).forChangingLinkage();
if (!firstNode.inUse()) {
throw new IllegalStateException(
"First node[" + firstNodeId + "] is deleted and cannot be used to create a relationship");
}
NodeRecord secondNode =
recordChangeSet.getNodeRecords().getOrLoad(secondNodeId, null).forChangingLinkage();
if (!secondNode.inUse()) {
throw new IllegalStateException(
"Second node["
+ secondNodeId
+ "] is deleted and cannot be used to create a relationship");
}
convertNodeToDenseIfNecessary(
firstNode, recordChangeSet.getRelRecords(), recordChangeSet.getRelGroupRecords());
convertNodeToDenseIfNecessary(
secondNode, recordChangeSet.getRelRecords(), recordChangeSet.getRelGroupRecords());
RelationshipRecord record =
recordChangeSet.getRelRecords().create(id, null).forChangingLinkage();
record.setLinks(firstNodeId, secondNodeId, type);
record.setInUse(true);
record.setCreated();
connectRelationship(
firstNode,
secondNode,
record,
recordChangeSet.getRelRecords(),
recordChangeSet.getRelGroupRecords());
}
@Override
public long createRelationship(
long node1, long node2, RelationshipType type, Map<String, Object> properties) {
NodeRecord firstNode = getNodeRecord(node1);
NodeRecord secondNode = getNodeRecord(node2);
int typeId = typeHolder.getTypeId(type.name());
if (typeId == -1) {
typeId = createNewRelationshipType(type.name());
}
long id = getRelationshipStore().nextId();
RelationshipRecord record = new RelationshipRecord(id, node1, node2, typeId);
record.setInUse(true);
record.setCreated();
connectRelationship(firstNode, secondNode, record);
getNodeStore().updateRecord(firstNode);
getNodeStore().updateRecord(secondNode);
record.setNextProp(createPropertyChain(properties));
getRelationshipStore().updateRecord(record);
return id;
}