private void putAssociationOperation(
Association association,
AssociationKey associationKey,
AssociationOperation action,
AssociatedEntityKeyMetadata associatedEntityKeyMetadata) {
Relationship relationship =
associationQueries
.get(associationKey.getMetadata())
.findRelationship(dataBase, associationKey, action.getKey());
if (relationship != null) {
for (String relationshipProperty : associationKey.getMetadata().getRowKeyIndexColumnNames()) {
relationship.setProperty(relationshipProperty, action.getValue().get(relationshipProperty));
}
for (String column :
associationKey
.getMetadata()
.getColumnsWithoutKeyColumns(action.getValue().getColumnNames())) {
if (!isRowKeyColumn(associationKey.getMetadata(), column)) {
relationship.getEndNode().setProperty(column, action.getValue().get(column));
}
}
GraphLogger.log("Updated relationship: %1$s", relationship);
} else {
relationship =
createRelationship(associationKey, action.getValue(), associatedEntityKeyMetadata);
GraphLogger.log("Created relationship: %1$s", relationship);
}
}
@Override
public void insertOrUpdateTuple(EntityKey key, Tuple tuple, TupleContext tupleContext) {
Neo4jTupleSnapshot snapshot = (Neo4jTupleSnapshot) tuple.getSnapshot();
// insert
if (snapshot.isNew()) {
Node node = insertTuple(key, tuple);
snapshot.setNode(node);
applyTupleOperations(key, tuple, node, tuple.getOperations(), tupleContext);
GraphLogger.log("Inserted node: %1$s", node);
}
// update
else {
Node node = snapshot.getNode();
applyTupleOperations(key, tuple, node, tuple.getOperations(), tupleContext);
GraphLogger.log("Updated node: %1$s", node);
}
}
@Override
public Association getAssociation(
AssociationKey associationKey, AssociationContext associationContext) {
EntityKey entityKey = associationKey.getEntityKey();
Node entityNode =
entityQueries
.get(entityKey.getMetadata())
.findEntity(dataBase, entityKey.getColumnValues());
GraphLogger.log("Found owner node: %1$s", entityNode);
if (entityNode == null) {
return null;
}
Map<RowKey, Tuple> tuples = createAssociationMap(associationKey, associationContext, entityKey);
return new Association(new EmbeddedNeo4jAssociationSnapshot(tuples));
}