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java.lang.Objectnet.esper.eql.join.plan.QueryPlanNode
net.esper.eql.join.plan.NestedIterationNode
public class NestedIterationNode
Plan to perform a nested iteration over child nodes.
Constructor Summary | |
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NestedIterationNode(int[] nestingOrder)
Ctor. |
Method Summary | |
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void |
addChildNode(QueryPlanNode childNode)
Adds a child node. |
protected LinkedList<QueryPlanNode> |
getChildNodes()
Returns list of child nodes. |
ExecNode |
makeExec(EventTable[][] indexPerStream,
EventType[] streamTypes)
Make execution node from this specification. |
void |
print(IndentWriter indentWriter)
Print a long readable format of the query node to the supplied PrintWriter. |
Methods inherited from class net.esper.eql.join.plan.QueryPlanNode |
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print |
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 NestedIterationNode(int[] nestingOrder)
nestingOrder
- - order of streams in nested iterationMethod Detail |
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public final void addChildNode(QueryPlanNode childNode)
childNode
- is the child evaluation tree node to addprotected final LinkedList<QueryPlanNode> getChildNodes()
public ExecNode makeExec(EventTable[][] indexPerStream, EventType[] streamTypes)
QueryPlanNode
makeExec
in class QueryPlanNode
indexPerStream
- - tables build for each streamstreamTypes
- - event type of each stream
public void print(IndentWriter indentWriter)
QueryPlanNode
print
in class QueryPlanNode
indentWriter
- is the indentation writer to print to
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