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java.lang.Objectnet.esper.core.SubSelectStreamCollection
public class SubSelectStreamCollection
Holds stream information for subqueries.
Nested Class Summary | |
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class |
SubSelectStreamCollection.SubSelectHolder
Entry holding subquery resource references. |
Constructor Summary | |
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SubSelectStreamCollection()
Ctor. |
Method Summary | |
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void |
add(ExprSubselectNode subselectNode,
int streamNumber,
Viewable viewable,
ViewFactoryChain viewFactoryChain)
Add subquery. |
Viewable |
getRootViewable(ExprSubselectNode subqueryNode)
Returns the subquery viewable, child-most view. |
int |
getStreamNumber(ExprSubselectNode subqueryNode)
Returns stream number. |
ViewFactoryChain |
getViewFactoryChain(ExprSubselectNode subqueryNode)
Returns the subquery's view factory chain. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public SubSelectStreamCollection()
Method Detail |
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public void add(ExprSubselectNode subselectNode, int streamNumber, Viewable viewable, ViewFactoryChain viewFactoryChain)
subselectNode
- is the subselect expression nodestreamNumber
- is the subquery stream numberviewable
- is the subquery viewableviewFactoryChain
- is the chain of view factoriespublic int getStreamNumber(ExprSubselectNode subqueryNode)
subqueryNode
- is the subquery node's stream number
public Viewable getRootViewable(ExprSubselectNode subqueryNode)
subqueryNode
- is the expression node to get this for
public ViewFactoryChain getViewFactoryChain(ExprSubselectNode subqueryNode)
subqueryNode
- is the node to look for
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