IoTDBSource (flink-iotdb-connector 0.13.0 API)

java.lang.Object
- org.apache.flink.api.common.functions.AbstractRichFunction
- - org.apache.flink.streaming.api.functions.source.RichSourceFunction<T>
  - - org.apache.iotdb.flink.IoTDBSource<T>

All Implemented Interfaces:

java.io.Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, org.apache.flink.streaming.api.functions.source.SourceFunction<T>
```
public abstract class IoTDBSource<T>
extends org.apache.flink.streaming.api.functions.source.RichSourceFunction<T>
```
See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.flink.streaming.api.functions.source.SourceFunction
  org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T extends java.lang.Object>

Constructor Summary

Constructors
Modifier Constructor Description

protected IoTDBSource(IoTDBSourceOptions ioTDBSourceOptions)

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`cancel()`
`void`	`close()`
`abstract T`	`convert(org.apache.iotdb.tsfile.read.common.RowRecord rowRecord)`	Convert raw data (in form of RowRecord) extracted from IoTDB to user-defined data type
`void`	`open(org.apache.flink.configuration.Configuration parameters)`
`void`	`run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T> sourceContext)`

Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction
getIterationRuntimeContext, getRuntimeContext, setRuntimeContext

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - IoTDBSource
```
protected IoTDBSource(IoTDBSourceOptions ioTDBSourceOptions)
```
- Method Detail
  - open
```
public void open(org.apache.flink.configuration.Configuration parameters)
          throws java.lang.Exception
```
    Specified by:
    
    open in interface org.apache.flink.api.common.functions.RichFunction
    
    Overrides:
    
    open in class org.apache.flink.api.common.functions.AbstractRichFunction
    
    Throws:
    
    java.lang.Exception
  - convert
```
public abstract T convert(org.apache.iotdb.tsfile.read.common.RowRecord rowRecord)
```
    Convert raw data (in form of RowRecord) extracted from IoTDB to user-defined data type
    
    Parameters:
    
    rowRecord - row record from IoTDB
    
    Returns:
    
    object in user-defined form
  - run
```
public void run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T> sourceContext)
         throws java.lang.Exception
```
    Throws:
    
    java.lang.Exception
  - cancel
```
public void cancel()
```
  - close
```
public void close()
           throws java.lang.Exception
```
    Specified by:
    
    close in interface org.apache.flink.api.common.functions.RichFunction
    
    Overrides:
    
    close in class org.apache.flink.api.common.functions.AbstractRichFunction
    
    Throws:
    
    java.lang.Exception