public class UniqueByPropertyView extends ViewSupport implements CloneableView, DataWindowView
EMPTY_VIEW_ARRAY
Constructor and Description |
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UniqueByPropertyView(ExprNode[] criteriaExpressions,
AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext)
Constructor.
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Modifier and Type | Method and Description |
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View |
cloneView()
Duplicates the view.
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ExprNode[] |
getCriteriaExpressions()
Returns the name of the field supplying the unique value to keep the most recent record for.
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EventType |
getEventType()
Provides metadata information about the type of object the event collection contains.
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boolean |
isEmpty()
Returns true if the view is 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 UniqueByPropertyView(ExprNode[] criteriaExpressions, AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext)
criteriaExpressions
- is the expressions from which to pull the unique valueagentInstanceViewFactoryContext
- context for expression evaluationpublic View cloneView()
CloneableView
Expected to return a same view in initialized state for grouping.
cloneView
in interface CloneableView
public final ExprNode[] getCriteriaExpressions()
public final EventType getEventType()
EventCollection
getEventType
in interface EventCollection
public final void update(EventBean[] newData, EventBean[] oldData)
View
public boolean isEmpty()
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 void visitView(ViewDataVisitor viewDataVisitor)
visitView
in interface ViewDataVisitable