WrappingFunction (Flink : Java 1.20.1-cp2 API)

java.lang.Object
- org.apache.flink.api.common.functions.AbstractRichFunction
- - org.apache.flink.api.java.operators.translation.WrappingFunction<T>

Type Parameters:

T -

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction

Direct Known Subclasses:

JoinOperator.DefaultJoin.WrappingFlatJoinFunction, PlanFilterOperator.FlatMapFilter, TupleLeftUnwrappingJoiner, TupleRightUnwrappingJoiner, TupleUnwrappingJoiner
```
@Internal
public abstract class WrappingFunction<T extends org.apache.flink.api.common.functions.Function>
extends org.apache.flink.api.common.functions.AbstractRichFunction
```
Wrapper around Function.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

protected T wrappedFunction

Constructor Summary

Constructors
Modifier Constructor Description

protected WrappingFunction(T wrappedFunction)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`T`	`getWrappedFunction()`
`void`	`open(org.apache.flink.api.common.functions.OpenContext openContext)`
`void`	`setRuntimeContext(org.apache.flink.api.common.functions.RuntimeContext t)`

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

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

- Field Detail
  - wrappedFunction
```
protected T extends org.apache.flink.api.common.functions.Function wrappedFunction
```
- Constructor Detail
  - WrappingFunction
```
protected WrappingFunction(T wrappedFunction)
```
- Method Detail
  - open
```
public void open(org.apache.flink.api.common.functions.OpenContext openContext)
          throws Exception
```
    Throws:
    
    Exception
  - close
```
public void close()
           throws 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:
    
    Exception
  - setRuntimeContext
```
public void setRuntimeContext(org.apache.flink.api.common.functions.RuntimeContext t)
```
    Specified by:
    
    setRuntimeContext in interface org.apache.flink.api.common.functions.RichFunction
    
    Overrides:
    
    setRuntimeContext in class org.apache.flink.api.common.functions.AbstractRichFunction
  - getWrappedFunction
```
public T getWrappedFunction()
```