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#67 time as int64 with specified precision

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This commit is contained in:
Tao Wen 2017-06-20 17:46:29 +08:00
parent 486534c67c
commit cefb2972fd
2 changed files with 13 additions and 4 deletions
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7
extra/time_as_int64_codec.go
View File

@ -7,11 +7,12 @@ import (
)
// keep epoch milliseconds
func RegisterTimeAsInt64Codec() {
jsoniter.RegisterTypeEncoder("time.Time", &timeAsInt64Codec{})
func RegisterTimeAsInt64Codec(precision time.Duration) {
jsoniter.RegisterTypeEncoder("time.Time", &timeAsInt64Codec{precision})
}
type timeAsInt64Codec struct {
precision time.Duration
}
func (codec *timeAsInt64Codec) IsEmpty(ptr unsafe.Pointer) bool {
@ -20,7 +21,7 @@ func (codec *timeAsInt64Codec) IsEmpty(ptr unsafe.Pointer) bool {
}
func (codec *timeAsInt64Codec) Encode(ptr unsafe.Pointer, stream *jsoniter.Stream) {
ts := *((*time.Time)(ptr))
stream.WriteInt64(ts.UnixNano())
stream.WriteInt64(ts.UnixNano() / codec.precision.Nanoseconds())
}
func (codec *timeAsInt64Codec) EncodeInterface(val interface{}, stream *jsoniter.Stream) {
jsoniter.WriteToStream(val, stream, codec)

10
extra/time_as_int64_codec_test.go
View File

@ -9,8 +9,16 @@ import (
func Test_time_as_int64(t *testing.T) {
should := require.New(t)
RegisterTimeAsInt64Codec()
RegisterTimeAsInt64Codec(time.Nanosecond)
output, err := jsoniter.Marshal(time.Unix(1, 1002))
should.Nil(err)
should.Equal("1000001002", string(output))
}
func Test_time_as_int64_keep_microsecond(t *testing.T) {
should := require.New(t)
RegisterTimeAsInt64Codec(time.Microsecond)
output, err := jsoniter.Marshal(time.Unix(1, 1002))
should.Nil(err)
should.Equal("1000001", string(output))
}