field.go 1.7 KB

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  1. /*
  2. * Licensed to the Apache Software Foundation (ASF) under one
  3. * or more contributor license agreements. See the NOTICE file
  4. * distributed with this work for additional information
  5. * regarding copyright ownership. The ASF licenses this file
  6. * to you under the Apache License, Version 2.0 (the
  7. * "License"); you may not use this file except in compliance
  8. * with the License. You may obtain a copy of the License at
  9. *
  10. * http://www.apache.org/licenses/LICENSE-2.0
  11. *
  12. * Unless required by applicable law or agreed to in writing,
  13. * software distributed under the License is distributed on an
  14. * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15. * KIND, either express or implied. See the License for the
  16. * specific language governing permissions and limitations
  17. * under the License.
  18. */
  19. package thrift
  20. // Helper class that encapsulates field metadata.
  21. type field struct {
  22. name string
  23. typeId TType
  24. id int
  25. }
  26. func newField(n string, t TType, i int) *field {
  27. return &field{name: n, typeId: t, id: i}
  28. }
  29. func (p *field) Name() string {
  30. if p == nil {
  31. return ""
  32. }
  33. return p.name
  34. }
  35. func (p *field) TypeId() TType {
  36. if p == nil {
  37. return TType(VOID)
  38. }
  39. return p.typeId
  40. }
  41. func (p *field) Id() int {
  42. if p == nil {
  43. return -1
  44. }
  45. return p.id
  46. }
  47. func (p *field) String() string {
  48. if p == nil {
  49. return "<nil>"
  50. }
  51. return "<TField name:'" + p.name + "' type:" + string(p.typeId) + " field-id:" + string(p.id) + ">"
  52. }
  53. var ANONYMOUS_FIELD *field
  54. type fieldSlice []field
  55. func (p fieldSlice) Len() int {
  56. return len(p)
  57. }
  58. func (p fieldSlice) Less(i, j int) bool {
  59. return p[i].Id() < p[j].Id()
  60. }
  61. func (p fieldSlice) Swap(i, j int) {
  62. p[i], p[j] = p[j], p[i]
  63. }
  64. func init() {
  65. ANONYMOUS_FIELD = newField("", STOP, 0)
  66. }