com.espertech.esper.epl.join.plan
Class TableLookupNode

java.lang.Object
  com.espertech.esper.epl.join.plan.QueryPlanNode
      com.espertech.esper.epl.join.plan.TableLookupNode

public class TableLookupNode
extends QueryPlanNode

Specifies exection of a table lookup using the supplied plan for performing the lookup.

Constructor Summary

TableLookupNode(TableLookupPlan tableLookupPlan)
Ctor.

Method Summary

void	addIndexes(java.util.HashSet<TableLookupIndexReqKey> usedIndexes)
protected TableLookupPlan	getLookupStrategySpec() Returns lookup plan.
TableLookupPlan	getTableLookupPlan()
ExecNode	makeExec(java.lang.String statementName, java.lang.String statementId, java.lang.annotation.Annotation[] annotations, java.util.Map<TableLookupIndexReqKey,EventTable>[] indexesPerStream, EventType[] streamTypes, Viewable[] streamViews, HistoricalStreamIndexList[] historicalStreamIndexLists, VirtualDWView[] viewExternal, java.util.concurrent.locks.Lock[] tableSecondaryIndexLocks) Make execution node from this specification.
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

TableLookupNode

public TableLookupNode(TableLookupPlan tableLookupPlan)

Ctor.

Parameters:

tableLookupPlan - - plan for performing lookup

Method Detail

getTableLookupPlan

public TableLookupPlan getTableLookupPlan()

getLookupStrategySpec

protected TableLookupPlan getLookupStrategySpec()

Returns lookup plan.

Returns:

lookup plan

print

public void print(IndentWriter writer)

Description copied from class: QueryPlanNode

Print a long readable format of the query node to the supplied PrintWriter.

Specified by:

print in class QueryPlanNode

Parameters:

writer - is the indentation writer to print to

makeExec

public ExecNode makeExec(java.lang.String statementName,
                         java.lang.String statementId,
                         java.lang.annotation.Annotation[] annotations,
                         java.util.Map<TableLookupIndexReqKey,EventTable>[] indexesPerStream,
                         EventType[] streamTypes,
                         Viewable[] streamViews,
                         HistoricalStreamIndexList[] historicalStreamIndexLists,
                         VirtualDWView[] viewExternal,
                         java.util.concurrent.locks.Lock[] tableSecondaryIndexLocks)

Description copied from class: QueryPlanNode

Make execution node from this specification.

Specified by:

makeExec in class QueryPlanNode

Parameters:

statementName - statement name

statementId - statement id

annotations - annotations

indexesPerStream - - tables build for each stream

streamTypes - - event type of each stream

streamViews - - viewable per stream for access to historical data

historicalStreamIndexLists - index management for historical streams

viewExternal - @return execution node matching spec

addIndexes

public void addIndexes(java.util.HashSet<TableLookupIndexReqKey> usedIndexes)

Specified by:

addIndexes in class QueryPlanNode