OperatorAttributes (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.streaming.api.operators.OperatorAttributes

All Implemented Interfaces:

Serializable
```
@Experimental
public class OperatorAttributes
extends Object
implements Serializable
```
OperatorAttributes element provides Job Manager with information that can be used to optimize job performance.

See Also:

Serialized Form

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`isInternalSorterSupported()`	Returns true iff the operator uses an internal sorter to sort inputs by key.
`boolean`	`isOutputOnlyAfterEndOfStream()`	Returns true if and only if the operator only emits records after all its inputs have ended.

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

- Method Detail
  - isOutputOnlyAfterEndOfStream
```
public boolean isOutputOnlyAfterEndOfStream()
```
    Returns true if and only if the operator only emits records after all its inputs have ended.
    Here are the implications when it is true:
    
    The results of this operator as well as its chained operators have blocking partition type.
    This operator as well as its chained operators will be executed in batch mode.
  - isInternalSorterSupported
```
public boolean isInternalSorterSupported()
```
    Returns true iff the operator uses an internal sorter to sort inputs by key. When it is true, the input records will not to be sorted externally before being fed into this operator.