UDTFConfigurations (udf-api 1.1.0 API)

java.lang.Object
- org.apache.iotdb.udf.api.customizer.config.UDFConfigurations
- - org.apache.iotdb.udf.api.customizer.config.UDTFConfigurations

```
public class UDTFConfigurations
extends UDFConfigurations
```
Used in UDTF.beforeStart(UDFParameters, UDTFConfigurations).
Supports calling methods in a chain.
Sample code:
```
{@code
```

Field Summary

Fields
Modifier and Type Field Description

protected AccessStrategy accessStrategy

protected java.time.ZoneId zoneId
- Fields inherited from class org.apache.iotdb.udf.api.customizer.config.UDFConfigurations
  outputDataType

Constructor Summary

Constructors
Constructor Description

UDTFConfigurations(java.time.ZoneId zoneId)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`check()`
`AccessStrategy`	`getAccessStrategy()`
`UDTFConfigurations`	`setAccessStrategy(AccessStrategy accessStrategy)`	Used to specify the strategy for accessing raw query data in UDTF.
`UDTFConfigurations`	`setOutputDataType(Type outputDataType)`	Used to specify the output data type of the UDTF.

Methods inherited from class org.apache.iotdb.udf.api.customizer.config.UDFConfigurations
getOutputDataType

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

- Field Detail
  - zoneId
```
protected final java.time.ZoneId zoneId
```
  - accessStrategy
```
protected AccessStrategy accessStrategy
```
- Constructor Detail
  - UDTFConfigurations
```
public UDTFConfigurations(java.time.ZoneId zoneId)
```
- Method Detail
  - setOutputDataType
```
public UDTFConfigurations setOutputDataType(Type outputDataType)
```
    Used to specify the output data type of the UDTF. In other words, the data type you set here determines the type of data that the PointCollector in UDTF.transform(Row, PointCollector), UDTF.transform(RowWindow, PointCollector) or UDTF.terminate(PointCollector) can receive.
    
    Parameters:
    
    outputDataType - the output data type of the UDTF
    
    Returns:
    
    this
    
    See Also:
    
    PointCollector
  - getAccessStrategy
```
public AccessStrategy getAccessStrategy()
```
  - setAccessStrategy
```
public UDTFConfigurations setAccessStrategy(AccessStrategy accessStrategy)
```
    Used to specify the strategy for accessing raw query data in UDTF.
    
    Parameters:
    
    accessStrategy - the specified access strategy. it should be an instance of AccessStrategy.
    
    Returns:
    
    this
    
    See Also:
    
    RowByRowAccessStrategy, SlidingTimeWindowAccessStrategy, SlidingSizeWindowAccessStrategy
  - check
```
public void check()
```
    Overrides:
    
    check in class UDFConfigurations