|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectcom.espertech.esper.epl.join.plan.QueryPlanNode
com.espertech.esper.epl.join.plan.LookupInstructionQueryPlanNode
public class LookupInstructionQueryPlanNode
Query plan for executing a set of lookup instructions and assembling an end result via a set of assembly instructions.
Constructor Summary | |
---|---|
LookupInstructionQueryPlanNode(int rootStream,
String rootStreamName,
int numStreams,
boolean[] requiredPerStream,
List<LookupInstructionPlan> lookupInstructions,
List<BaseAssemblyNode> assemblyInstructions)
Ctor. |
Method Summary | |
---|---|
ExecNode |
makeExec(EventTable[][] indexesPerStream,
EventType[] streamTypes)
Make execution node from this specification. |
protected void |
print(IndentWriter writer)
Print a long readable format of the query node to the supplied PrintWriter. |
Methods inherited from class com.espertech.esper.epl.join.plan.QueryPlanNode |
---|
print |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public LookupInstructionQueryPlanNode(int rootStream, String rootStreamName, int numStreams, boolean[] requiredPerStream, List<LookupInstructionPlan> lookupInstructions, List<BaseAssemblyNode> assemblyInstructions)
rootStream
- is the stream supplying the lookup eventrootStreamName
- is the name of the stream supplying the lookup eventnumStreams
- is the number of streamslookupInstructions
- is a list of lookups to performrequiredPerStream
- indicates which streams are required and which are optional in the lookupassemblyInstructions
- is the bottom-up assembly nodes to assemble a lookup result nodesMethod Detail |
---|
public ExecNode makeExec(EventTable[][] indexesPerStream, EventType[] streamTypes)
QueryPlanNode
makeExec
in class QueryPlanNode
indexesPerStream
- - tables build for each streamstreamTypes
- - event type of each stream
protected void print(IndentWriter writer)
QueryPlanNode
print
in class QueryPlanNode
writer
- is the indentation writer to print to
|
© 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 |