function buildOperationResult()

in jones-ndb/impl/ndb/NdbOperation.js [803:851]

• 42 lines of code
• 13 McCabe index (conditional complexity)

function buildOperationResult(transactionHandler, op, op_ndb_error, execMode) {
  udebug.log("buildOperationResult");

  /* Summarize Operation Error */
  if(op.encoderError) {
    udebug.log("Operation has encoder error");
    op.result.success = false;
    op.result.error = op.encoderError;
  } else if(op_ndb_error === null) {
    op.result.success = true;
  } else {
    op.result.success = false;
    if(op_ndb_error !== true) {  // TRUE here means NdbOperation is null
      op.result.error = new DBOperationError().fromNdbError(op_ndb_error);
    }
  }

  /* Handle Transaction Error */
  if(execMode !== ROLLBACK) {
    if(op.result.success) {
      if(transactionHandler.error) {
        /* This operation has no error, but the transaction failed. */
        udebug.log("Case txErr + opOK", transactionHandler.moniker);
        op.result.success = false;
        op.result.error = new DBOperationError().cascading(transactionHandler.error);
      }
    }
    else {
      /* This operation has an error. */
      if(transactionHandler.error) {
        udebug.log("Case txErr + OpErr", transactionHandler.moniker);
      }
      else {
        if(op.opcode === opcodes.OP_READ || execMode === NOCOMMIT) {
          udebug.log("Case txOK + OpErr [READ | NOCOMMIT]", transactionHandler.moniker);
        }
        else {
          udebug.log("Case txOK + OpErr", transactionHandler.moniker);
          transactionHandler.error = new DBOperationError().cascading(op.result.error);
        }
      }
    }

    if(op.result.success && op.opcode === opcodes.OP_READ) {
      op.result.value = getResultValue(op, op.tableHandler, op.buffers.row, op.blobs);
    } 
  }
  if(udebug.is_detail()) { udebug.log("buildOperationResult finished:", op.result); }
}