code: public <T> long bulkGraphOperation(final SecurityContext securityContext, final Iterator<T> iterator, final long commitCount, String description, final BulkGraphOperation<T> operation) {
  		return bulkGraphOperation(securityContext, iterator, commitCount, description, operation, true);
  	}
docs: Executes the given operation on all nodes in the given list.
  
  @param <T>
  @param securityContext
  @param iterator the iterator that provides the nodes to operate on
  @param commitCount
  @param description
  @param operation the operation to execute
  @return the number of nodes processed