Package com.espertech.esper.common.internal.epl.join.queryplan

Class TableOuterLookupNode

java.lang.Object

com.espertech.esper.common.internal.epl.join.queryplan.QueryPlanNode

com.espertech.esper.common.internal.epl.join.queryplan.TableOuterLookupNode

public class TableOuterLookupNode
extends QueryPlanNode

Specifies exection of a table lookup with outer join using the a specified lookup plan.

Field Summary

Fields

Modifier and Type	Field	Description
static final EPTypeClass	EPTYPE

Constructor Summary

Constructors

Constructor	Description
TableOuterLookupNode(TableLookupPlan tableLookupPlan)	Ctor.

Method Summary

Modifier and Type	Method	Description
void	addIndexes(HashSet<TableLookupIndexReqKey> usedIndexes)
TableLookupPlan	getLookupStrategySpec()	Returns lookup plan.
ExecNode	makeExec(AgentInstanceContext agentInstanceContext, Map<TableLookupIndexReqKey,EventTable>[] indexesPerStream, EventType[] streamTypes, Viewable[] streamViews, VirtualDWView[] viewExternal, Lock[] tableSecondaryIndexLocks)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

EPTYPE

public static final EPTypeClass EPTYPE

Constructor Details

TableOuterLookupNode

public TableOuterLookupNode(TableLookupPlan tableLookupPlan)

Ctor.

Parameters:

tableLookupPlan - - plan for performing lookup

Method Details

getLookupStrategySpec

public TableLookupPlan getLookupStrategySpec()

Returns lookup plan.

Returns:

lookup plan

makeExec

public ExecNode makeExec(AgentInstanceContext agentInstanceContext,
 Map<TableLookupIndexReqKey,EventTable>[] indexesPerStream,
 EventType[] streamTypes,
 Viewable[] streamViews,
 VirtualDWView[] viewExternal,
 Lock[] tableSecondaryIndexLocks)

Specified by:

makeExec in class QueryPlanNode

addIndexes

public void addIndexes(HashSet<TableLookupIndexReqKey> usedIndexes)