org.apache.flink.table.runtime.operators.bundle.trigger

类 CountBundleTrigger<T>

java.lang.Object

org.apache.flink.table.runtime.operators.bundle.trigger.CountBundleTrigger<T>

所有已实现的接口:

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.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
CountBundleTrigger(long maxCount)

方法概要

限定符和类型	方法和说明
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.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

CountBundleTrigger

public CountBundleTrigger(long maxCount)

方法详细资料

registerCallback

public void registerCallback(BundleTriggerCallback callback)

从接口复制的说明: BundleTrigger

Register a callback which will be called once this trigger decides to finish this bundle.

指定者:

registerCallback 在接口中 BundleTrigger<T>

onElement

public void onElement(T element)
               throws Exception

从接口复制的说明: 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.

指定者:

onElement 在接口中 BundleTrigger<T>

参数:

element - The element that arrived.

抛出:

Exception

reset

public void reset()

从接口复制的说明: BundleTrigger

Reset the trigger to its initiate status.

指定者:

reset 在接口中 BundleTrigger<T>

explain

public String explain()

指定者:

explain 在接口中 BundleTrigger<T>