|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectcom.espertech.esper.view.ViewSupport
com.espertech.esper.view.window.LengthBatchViewRStream
public final class LengthBatchViewRStream
Same as the LengthBatchView
, this view also supports fast-remove from the batch for remove stream events.
Field Summary |
---|
Fields inherited from class com.espertech.esper.view.ViewSupport |
---|
parent |
Constructor Summary | |
---|---|
LengthBatchViewRStream(LengthBatchViewFactory lengthBatchViewFactory,
int size)
Constructor. |
Method Summary | |
---|---|
View |
cloneView(StatementContext statementContext)
Duplicates the view. |
EventType |
getEventType()
Provides metadata information about the type of object the event collection contains. |
int |
getSize()
Returns the number of events to batch (data window size). |
boolean |
isEmpty()
Returns true if the window is empty, or false if not empty. |
Iterator<EventBean> |
iterator()
Allows iteration through all elements in this event collection. |
protected void |
sendBatch()
This method updates child views and clears the batch of events. |
String |
toString()
|
void |
update(EventBean[] newData,
EventBean[] oldData)
Notify that data has been added or removed from the Viewable parent. |
Methods inherited from class com.espertech.esper.view.ViewSupport |
---|
addView, dumpChildViews, dumpUpdateParams, dumpUpdateParams, findDescendent, getParent, getViews, hasViews, removeView, setParent, updateChildren, updateChildren |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface com.espertech.esper.view.View |
---|
getParent, setParent |
Methods inherited from interface com.espertech.esper.view.Viewable |
---|
addView, getViews, hasViews, removeView |
Constructor Detail |
---|
public LengthBatchViewRStream(LengthBatchViewFactory lengthBatchViewFactory, int size)
size
- is the number of events to batchlengthBatchViewFactory
- for copying this view in a group-byMethod Detail |
---|
public View cloneView(StatementContext statementContext)
CloneableView
Expected to return a same view in initialized state for grouping.
cloneView
in interface CloneableView
statementContext
- is services for the view
public final int getSize()
public final EventType getEventType()
EventCollection
getEventType
in interface EventCollection
public final void update(EventBean[] newData, EventBean[] oldData)
View
update
in interface View
newData
- is the new data that has been added to the parent viewoldData
- is the old data that has been removed from the parent viewprotected final void sendBatch()
public boolean isEmpty()
public final Iterator<EventBean> iterator()
EventCollection
iterator
in interface EventCollection
iterator
in interface Iterable<EventBean>
public final String toString()
toString
in class Object
|
© 2007 EsperTech Inc. All rights reserved. Visit us at espertech.com |
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |