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delay.go
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delay.go
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// Copyright 2018 StreamSets Inc.
// 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 delay
import (
"github.com/streamsets/datacollector-edge/api"
"github.com/streamsets/datacollector-edge/api/validation"
"github.com/streamsets/datacollector-edge/container/common"
"github.com/streamsets/datacollector-edge/stages/stagelibrary"
"time"
)
const (
LIBRARY = "streamsets-datacollector-basic-lib"
STAGE_NAME = "com_streamsets_pipeline_stage_processor_delay_DelayProcessor"
VERSION = 1
)
type DelayProcessor struct {
*common.BaseStage
Delay float64 `ConfigDef:"type=NUMBER,required=true"`
}
func init() {
stagelibrary.SetCreator(LIBRARY, STAGE_NAME, func() api.Stage {
return &DelayProcessor{BaseStage: &common.BaseStage{}}
})
}
func (d *DelayProcessor) Init(stageContext api.StageContext) []validation.Issue {
return d.BaseStage.Init(stageContext)
}
func (d *DelayProcessor) Process(batch api.Batch, batchMaker api.BatchMaker) error {
time.Sleep(time.Duration(d.Delay) * time.Millisecond)
for _, record := range batch.GetRecords() {
batchMaker.AddRecord(record)
}
return nil
}