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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,269 @@ | ||
| // Copyright 2024 openGemini Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package opengemini | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/openGemini/opengemini-client-go/lib/record" | ||
| "github.com/openGemini/opengemini-client-go/proto" | ||
| ) | ||
|
|
||
| var ( | ||
| _ RecordBuilder = (*RecordBuilderImpl)(nil) | ||
| recordLinePool = &sync.Pool{New: func() any { | ||
| return &RecordLineBuilderImpl{} | ||
| }} | ||
| ) | ||
|
|
||
| type RecordLine interface{} | ||
|
|
||
| type RecordLineBuilder interface { | ||
| // AddTag add a tag to the record. | ||
| // If the key exists, it will be overwritten. | ||
| // If the key is `time`, it will cause an error. | ||
| // If the key is empty or the value is empty, it will be ignored. | ||
| AddTag(key string, value string) RecordLineBuilder | ||
| // AddTags add multiple tags to the record. | ||
| // Each entry in the map represents a tag where the key is the tag name and the value is the tag value. | ||
| AddTags(tags map[string]string) RecordLineBuilder | ||
| // AddField add a field to the record. | ||
| // If the key is empty, it will be ignored. | ||
| // If the key is `time`, it will cause an error. | ||
| // If the key already exists, its value will be overwritten. | ||
| AddField(key string, value interface{}) RecordLineBuilder | ||
| // AddFields add multiple fields to the record. | ||
| // Each entry in the map represents a field where the key is the field name and the value is the field value. | ||
| AddFields(fields map[string]interface{}) RecordLineBuilder | ||
| CompressMethod(method CompressMethod) RecordLineBuilder | ||
| Error() error | ||
| // Build specifies the time of the record. | ||
| // If the time is not specified or zero value, the current time will be used. | ||
| Build(tt time.Time) RecordLine | ||
| } | ||
|
|
||
| type RecordBuilder interface { | ||
| Authenticate(username, password string) RecordBuilder | ||
| AddRecord(rlb ...RecordLine) RecordBuilder | ||
| Build() (*proto.WriteRequest, error) | ||
| } | ||
|
|
||
| type FieldTuple struct { | ||
| record.Field | ||
| Value interface{} | ||
| } | ||
|
|
||
| type RecordBuilderImpl struct { | ||
| database string | ||
| retentionPolicy string | ||
| username string | ||
| password string | ||
| transform transform | ||
| err error | ||
| } | ||
|
|
||
| func (r *RecordBuilderImpl) reset() { | ||
| r.transform.reset() | ||
| } | ||
|
|
||
| func (r *RecordBuilderImpl) Authenticate(username, password string) RecordBuilder { | ||
| r.username = username | ||
| r.password = password | ||
| return r | ||
| } | ||
|
|
||
| func NewRecordBuilder(database, retentionPolicy string) RecordBuilder { | ||
| return &RecordBuilderImpl{database: database, retentionPolicy: retentionPolicy, transform: make(transform)} | ||
| } | ||
|
|
||
| func (r *RecordBuilderImpl) AddRecord(rlb ...RecordLine) RecordBuilder { | ||
| for _, lineBuilder := range rlb { | ||
| lb, ok := lineBuilder.(*RecordLineBuilderImpl) | ||
| if !ok { | ||
| continue | ||
| } | ||
| err := r.transform.AppendRecord(lb) | ||
| recordLinePool.Put(lb) | ||
| if err != nil { | ||
| r.err = errors.Join(r.err, err) | ||
| continue | ||
| } | ||
| } | ||
| return r | ||
| } | ||
|
|
||
| func (r *RecordBuilderImpl) Build() (*proto.WriteRequest, error) { | ||
| defer r.reset() | ||
|
|
||
| if r.err != nil { | ||
| return nil, r.err | ||
| } | ||
|
|
||
| var req = &proto.WriteRequest{ | ||
| Database: r.database, | ||
| RetentionPolicy: r.retentionPolicy, | ||
| Username: r.username, | ||
| Password: r.password, | ||
| } | ||
|
|
||
| for mst, rawRecord := range r.transform { | ||
| rec, err := rawRecord.ToSrvRecords() | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to convert records: %v", err) | ||
| } | ||
| var buff []byte | ||
| buff, err = rec.Marshal(buff) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to marshal record: %v", err) | ||
| } | ||
|
|
||
| req.Records = append(req.Records, &proto.Record{ | ||
| Measurement: mst, | ||
| MinTime: rawRecord.MinTime, | ||
| MaxTime: rawRecord.MaxTime, | ||
| Block: buff, | ||
| }) | ||
| } | ||
|
|
||
| return req, nil | ||
| } | ||
|
|
||
| type RecordLineBuilderImpl struct { | ||
| measurement string | ||
| tags []*FieldTuple | ||
| fields []*FieldTuple | ||
| tt time.Time | ||
| compressMethod CompressMethod | ||
| built bool | ||
|
|
||
| err error | ||
| } | ||
|
|
||
| func (r *RecordLineBuilderImpl) CompressMethod(method CompressMethod) RecordLineBuilder { | ||
| r.compressMethod = method | ||
| return r | ||
| } | ||
|
|
||
| func newRecordLineBuilder(measurement string) *RecordLineBuilderImpl { | ||
| r := recordLinePool.Get().(*RecordLineBuilderImpl) | ||
| r.measurement = measurement | ||
| if len(r.tags) != 0 { | ||
| r.tags = r.tags[:0] | ||
| } | ||
| if len(r.fields) != 0 { | ||
| r.fields = r.fields[:0] | ||
| } | ||
| if !r.tt.IsZero() { | ||
| r.tt = time.Time{} | ||
| } | ||
| r.built = false | ||
| r.err = nil | ||
| return r | ||
| } | ||
|
|
||
| func NewRecordLineBuilder(measurement string) RecordLineBuilder { | ||
| return newRecordLineBuilder(measurement) | ||
| } | ||
|
|
||
| func (r *RecordLineBuilderImpl) Error() error { | ||
| return r.err | ||
| } | ||
|
|
||
| func (r *RecordLineBuilderImpl) AddTag(key string, value string) RecordLineBuilder { | ||
| if r.built { | ||
| r = newRecordLineBuilder(r.measurement) | ||
| } | ||
| if key == "" { | ||
| r.err = errors.Join(r.err, fmt.Errorf("miss tag name: %w", ErrEmptyName)) | ||
| return r | ||
| } | ||
| if key == record.TimeField { | ||
| r.err = errors.Join(r.err, fmt.Errorf("tag name %s invalid: %w", key, ErrInvalidTimeColumn)) | ||
| return r | ||
| } | ||
| r.tags = append(r.tags, &FieldTuple{ | ||
| Field: record.Field{ | ||
| Name: key, | ||
| Type: record.FieldTypeTag, | ||
| }, | ||
| Value: value, | ||
| }) | ||
| return r | ||
| } | ||
|
|
||
| func (r *RecordLineBuilderImpl) AddTags(tags map[string]string) RecordLineBuilder { | ||
| if r.built { | ||
| r = newRecordLineBuilder(r.measurement) | ||
| } | ||
| for key, value := range tags { | ||
| r.AddTag(key, value) | ||
| } | ||
| return r | ||
| } | ||
|
|
||
| func (r *RecordLineBuilderImpl) AddField(key string, value interface{}) RecordLineBuilder { | ||
| if r.built { | ||
| r = newRecordLineBuilder(r.measurement) | ||
| } | ||
| if key == "" { | ||
| r.err = errors.Join(r.err, fmt.Errorf("miss field name: %w", ErrEmptyName)) | ||
| return r | ||
| } | ||
| if key == record.TimeField { | ||
| r.err = errors.Join(r.err, fmt.Errorf("field name %s invalid: %w", key, ErrInvalidTimeColumn)) | ||
| return r | ||
| } | ||
| typ := record.FieldTypeUnknown | ||
| switch value.(type) { | ||
| case string: | ||
| typ = record.FieldTypeString | ||
| case float32, float64: | ||
| typ = record.FieldTypeFloat | ||
| case bool: | ||
| typ = record.FieldTypeBoolean | ||
| case int8, int16, int32, int64, uint8, uint16, uint32, uint64, int: | ||
| typ = record.FieldTypeInt | ||
| } | ||
| r.fields = append(r.fields, &FieldTuple{ | ||
| Field: record.Field{ | ||
| Name: key, | ||
| Type: typ, | ||
| }, | ||
| Value: value, | ||
| }) | ||
| return r | ||
| } | ||
|
|
||
| func (r *RecordLineBuilderImpl) AddFields(fields map[string]interface{}) RecordLineBuilder { | ||
| if r.built { | ||
| r = newRecordLineBuilder(r.measurement) | ||
| } | ||
| for key, value := range fields { | ||
| r.AddField(key, value) | ||
| } | ||
| return r | ||
| } | ||
|
|
||
| func (r *RecordLineBuilderImpl) Build(tt time.Time) RecordLine { | ||
| r.built = true | ||
| if err := checkMeasurementName(r.measurement); err != nil { | ||
| r.err = errors.Join(err, r.err) | ||
| } | ||
| r.tt = tt | ||
| return r | ||
| } |
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