public class RankWindowView extends ViewSupport implements DataWindowView, CloneableView
EMPTY_VIEW_ARRAY
Constructor and Description |
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RankWindowView(RankWindowViewFactory rankWindowViewFactory,
ExprNode[] uniqueCriteriaExpressions,
ExprEvaluator[] uniqueCriteriaEvaluators,
ExprNode[] sortCriteriaExpressions,
ExprEvaluator[] sortCriteriaEvaluators,
boolean[] descendingValues,
int sortWindowSize,
IStreamSortRankRandomAccess optionalRankedRandomAccess,
boolean isSortUsingCollator,
AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext)
Ctor.
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Modifier and Type | Method and Description |
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View |
cloneView()
Duplicates the view.
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static java.lang.Object |
getCriteriaKey(EventBean[] eventsPerStream,
ExprEvaluator[] evaluators,
EventBean theEvent,
ExprEvaluatorContext evalContext) |
static MultiKeyUntyped |
getCriteriaMultiKey(EventBean[] eventsPerStream,
ExprEvaluator[] evaluators,
ExprEvaluatorContext evalContext) |
EventType |
getEventType()
Provides metadata information about the type of object the event collection contains.
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java.lang.Object |
getSortValues(EventBean theEvent) |
java.lang.Object |
getUniqueValues(EventBean theEvent) |
void |
internalHandleAddedKey(java.lang.Object sortKey,
EventBean eventBean) |
void |
internalHandleRemovedKey(java.lang.Object sortKey,
EventBean eventBean) |
void |
internalHandleReplacedKey(java.lang.Object newSortKey,
EventBean newEvent,
EventBean oldEvent) |
boolean |
isEmpty()
True to indicate the sort window is empty, or false if not empty.
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java.util.Iterator<EventBean> |
iterator()
Allows iteration through all elements in this event collection.
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java.lang.String |
toString() |
void |
update(EventBean[] newData,
EventBean[] oldData)
Notify that data has been added or removed from the Viewable parent.
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void |
visitView(ViewDataVisitor viewDataVisitor) |
addView, addView, dumpChildViews, dumpUpdateParams, dumpUpdateParams, findDescendent, findViewIndex, getParent, getViews, hasViews, removeAllViews, removeView, removeView, setParent, updateChildren
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
addView, getViews, hasViews, removeAllViews, removeView
public RankWindowView(RankWindowViewFactory rankWindowViewFactory, ExprNode[] uniqueCriteriaExpressions, ExprEvaluator[] uniqueCriteriaEvaluators, ExprNode[] sortCriteriaExpressions, ExprEvaluator[] sortCriteriaEvaluators, boolean[] descendingValues, int sortWindowSize, IStreamSortRankRandomAccess optionalRankedRandomAccess, boolean isSortUsingCollator, AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext)
sortCriteriaExpressions
- is the event property names to sortdescendingValues
- indicates whether to sort ascending or descending for each fieldsortWindowSize
- is the window sizeoptionalRankedRandomAccess
- is the friend class handling the random access, if required by
expressionsrankWindowViewFactory
- for copying this view in a group-byisSortUsingCollator
- for string value sorting using compare or Collatorpublic View cloneView()
CloneableView
Expected to return a same view in initialized state for grouping.
cloneView
in interface CloneableView
public final EventType getEventType()
EventCollection
getEventType
in interface EventCollection
public final void update(EventBean[] newData, EventBean[] oldData)
View
public void internalHandleReplacedKey(java.lang.Object newSortKey, EventBean newEvent, EventBean oldEvent)
public void internalHandleRemovedKey(java.lang.Object sortKey, EventBean eventBean)
public void internalHandleAddedKey(java.lang.Object sortKey, EventBean eventBean)
public final java.util.Iterator<EventBean> iterator()
EventCollection
iterator
in interface EventCollection
iterator
in interface java.lang.Iterable<EventBean>
public final java.lang.String toString()
toString
in class java.lang.Object
public java.lang.Object getUniqueValues(EventBean theEvent)
public java.lang.Object getSortValues(EventBean theEvent)
public static java.lang.Object getCriteriaKey(EventBean[] eventsPerStream, ExprEvaluator[] evaluators, EventBean theEvent, ExprEvaluatorContext evalContext)
public static MultiKeyUntyped getCriteriaMultiKey(EventBean[] eventsPerStream, ExprEvaluator[] evaluators, ExprEvaluatorContext evalContext)
public boolean isEmpty()
public void visitView(ViewDataVisitor viewDataVisitor)
visitView
in interface ViewDataVisitable