CountBundleTrigger (Flink : Table : Runtime 2.0.1-cp2 API)

java.lang.Object
- org.apache.flink.table.runtime.operators.bundle.trigger.CountBundleTrigger<T>

All Implemented Interfaces:

Serializable, BundleTrigger<T>
```
public class CountBundleTrigger<T>
extends Object
implements BundleTrigger<T>
```
A BundleTrigger that fires once the count of elements in a bundle reaches the given count.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

CountBundleTrigger(long maxCount)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`explain()`
`void`	`onElement(T element)`	Called for every element that gets added to the bundle.
`void`	`registerCallback(BundleTriggerCallback callback)`	Register a callback which will be called once this trigger decides to finish this bundle.
`void`	`reset()`	Reset the trigger to its initiate status.

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

- Constructor Detail
  - CountBundleTrigger
```
public CountBundleTrigger(long maxCount)
```
- Method Detail
  - registerCallback
```
public void registerCallback(BundleTriggerCallback callback)
```
    Description copied from interface: BundleTrigger
    
    Register a callback which will be called once this trigger decides to finish this bundle.
    
    Specified by:
    
    registerCallback in interface BundleTrigger<T>
  - onElement
```
public void onElement(T element)
               throws Exception
```
    Description copied from interface: BundleTrigger
    
    Called for every element that gets added to the bundle. If the trigger decides to start evaluate the input, BundleTriggerCallback.finishBundle() should be invoked.
    
    Specified by:
    
    onElement in interface BundleTrigger<T>
    
    Parameters:
    
    element - The element that arrived.
    
    Throws:
    
    Exception
  - reset
```
public void reset()
```
    Description copied from interface: BundleTrigger
    
    Reset the trigger to its initiate status.
    
    Specified by:
    
    reset in interface BundleTrigger<T>
  - explain
```
public String explain()
```
    Specified by:
    
    explain in interface BundleTrigger<T>