com.inductiveautomation.ignition.common.util

Class ThrottlingAggregator<T>

java.lang.Object

com.inductiveautomation.ignition.common.util.ThrottlingAggregator<T>

public class ThrottlingAggregator<T>
extends java.lang.Object

Aggregates items, grouping them if they are submitted consecutively within a specified delay or if a specified maximum delivery frequency dictates that no more deliveries can be made at the time.

Delivery happens when either of the following occur:

• The time since the last item submitted is longer than the specified delay and a delivery wasn't sent out too recently.
• There are items waiting to be delivered and a period of time longer than the specified frequency elapses.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ThrottlingAggregator.Callback<T>

Constructor Summary

Constructors

Constructor and Description
ThrottlingAggregator(long delay, long maxFrequency, ThrottlingAggregator.Callback<T> callback) Create a ThrottlingAggregator with the given parameters.

Method Summary

Modifier and Type	Method and Description
void	processItem(T item)

Methods inherited from class java.lang.Object

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

Constructor Detail

ThrottlingAggregator

public ThrottlingAggregator(long delay,
                            long maxFrequency,
                            ThrottlingAggregator.Callback<T> callback)

Create a ThrottlingAggregator with the given parameters.

Parameters:

delay - How long to wait for another call to processItem before attempting delivery. During this delay is where aggregation happens.

maxFrequency - The maximum frequency at which aggregated items should be delivered.

callback - A callback that aggregated items will be delivered to.

Method Detail

processItem

public void processItem(T item)