PythonUdf (flink-cdc-parent 3.8-SNAPSHOT API)

java.lang.Object
- org.apache.flink.cdc.python.PythonUdf

All Implemented Interfaces:

UserDefinedFunction
```
@Experimental
public final class PythonUdf
extends Object
implements UserDefinedFunction
```
Generic UDF that delegates to a Python function defined inline in YAML.

Field Summary

Fields
Modifier and Type	Field	Description
`static ConfigOption<String>`	`OPTION_PYTHON_EXECUTABLE`
`static ConfigOption<String>`	`OPTION_PYTHON_FILES`
`static ConfigOption<String>`	`OPTION_SOURCE`

Constructor Summary

Constructors
Constructor Description

PythonUdf()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`	This will be invoked before a UDF got destroyed.
`Object`	`eval(Object... args)`
`DataType`	`getReturnType(UserDefinedFunctionContext context)`	Returns the return type of this UDF, given the per-UDF YAML options.
`void`	`open(UserDefinedFunctionContext context)`	This will be invoked every time when a UDF got created.

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

Methods inherited from interface org.apache.flink.cdc.common.udf.UserDefinedFunction
getReturnType, open

- Field Detail
  - OPTION_SOURCE
```
public static final ConfigOption<String> OPTION_SOURCE
```
  - OPTION_PYTHON_EXECUTABLE
```
public static final ConfigOption<String> OPTION_PYTHON_EXECUTABLE
```
  - OPTION_PYTHON_FILES
```
public static final ConfigOption<String> OPTION_PYTHON_FILES
```
- Constructor Detail
  - PythonUdf
```
public PythonUdf()
```
- Method Detail
  - open
```
public void open(UserDefinedFunctionContext context)
```
    Description copied from interface: UserDefinedFunction
    
    This will be invoked every time when a UDF got created.
    
    Specified by:
    
    open in interface UserDefinedFunction
  - close
```
public void close()
```
    Description copied from interface: UserDefinedFunction
    
    This will be invoked before a UDF got destroyed.
    
    Specified by:
    
    close in interface UserDefinedFunction
  - getReturnType
```
public DataType getReturnType(UserDefinedFunctionContext context)
```
    Description copied from interface: UserDefinedFunction
    
    Returns the return type of this UDF, given the per-UDF YAML options.
    
    Specified by:
    
    getReturnType in interface UserDefinedFunction
  - eval
```
public Object eval(Object... args)
```