the failure message , null if it did not fail . concode_field_sep ActionResponse response concode_elem_sep Failure failure concode_elem_sep String opType concode_elem_sep String index concode_elem_sep int id concode_elem_sep String type concode_elem_sep String message concode_elem_sep RestStatus status concode_field_sep long getVersion concode_elem_sep String getOpType concode_elem_sep String getIndex concode_elem_sep String getIndex concode_elem_sep boolean isFailed concode_elem_sep void readFrom concode_elem_sep BulkItemResponse readBulkItem concode_elem_sep T getResponse concode_elem_sep String getMessage concode_elem_sep String getId concode_elem_sep String getId concode_elem_sep RestStatus getStatus concode_elem_sep void writeTo concode_elem_sep int getItemId concode_elem_sep String getType concode_elem_sep String getType concode_elem_sep Failure getFailure
String function ( ) { if ( failure != null ) { return failure . getMessage ( ) ; } return null ; }