/**
* Deletes the specified entity vertices. Deletes any traits, composite entities, and structs
* owned by each entity. Also deletes all the references from/to the entity.
*
* @param instanceVertices
* @throws AtlasException
*/
public void deleteEntities(List<AtlasVertex> instanceVertices) throws AtlasException {
RequestContext requestContext = RequestContext.get();
Set<AtlasVertex> deletionCandidateVertices = new HashSet<>();
for (AtlasVertex instanceVertex : instanceVertices) {
String guid = GraphHelper.getIdFromVertex(instanceVertex);
Id.EntityState state = GraphHelper.getState(instanceVertex);
if (requestContext.getDeletedEntityIds().contains(guid) || state == Id.EntityState.DELETED) {
LOG.debug("Skipping deletion of {} as it is already deleted", guid);
continue;
}
// Get GUIDs and vertices for all deletion candidates.
Set<VertexInfo> compositeVertices = graphHelper.getCompositeVertices(instanceVertex);
// Record all deletion candidate GUIDs in RequestContext
// and gather deletion candidate vertices.
for (VertexInfo vertexInfo : compositeVertices) {
requestContext.recordEntityDelete(vertexInfo.getGuid(), vertexInfo.getTypeName());
deletionCandidateVertices.add(vertexInfo.getVertex());
}
}
// Delete traits and vertices.
for (AtlasVertex deletionCandidateVertex : deletionCandidateVertices) {
deleteAllTraits(deletionCandidateVertex);
deleteTypeVertex(deletionCandidateVertex, false);
}
}
