KeySelectorUtil.ComparableKeySelector (Flink : Runtime 2.1.0 API)

java.lang.Object
- org.apache.flink.streaming.util.keys.KeySelectorUtil.ComparableKeySelector<IN>

Type Parameters:

IN - The type from which the key is extracted.

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.java.functions.KeySelector<IN,org.apache.flink.api.java.tuple.Tuple>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.api.java.tuple.Tuple>

Enclosing class:

KeySelectorUtil
```
public static final class KeySelectorUtil.ComparableKeySelector<IN>
extends Object
implements org.apache.flink.api.java.functions.KeySelector<IN,org.apache.flink.api.java.tuple.Tuple>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.api.java.tuple.Tuple>
```
A key selector for selecting key fields via a TypeComparator.

See Also:

Serialized Form

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.apache.flink.api.java.tuple.Tuple`	`getKey(IN value)`
`org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.api.java.tuple.Tuple>`	`getProducedType()`

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

- Method Detail
  - getKey
```
public org.apache.flink.api.java.tuple.Tuple getKey(IN value)
```
    Specified by:
    
    getKey in interface org.apache.flink.api.java.functions.KeySelector<IN,org.apache.flink.api.java.tuple.Tuple>
  - getProducedType
```
public org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.api.java.tuple.Tuple> getProducedType()
```
    Specified by:
    
    getProducedType in interface org.apache.flink.api.java.typeutils.ResultTypeQueryable<IN>