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

Class QueryPlanNodeForge

java.lang.Object

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

All Implemented Interfaces:

CodegenMakeable<SAIFFInitializeSymbol>

Direct Known Subclasses:

HistoricalDataPlanNodeForge, LookupInstructionQueryPlanNodeForge, NestedIterationNodeForge, QueryPlanNodeForgeAllUnidirectionalOuter, QueryPlanNodeNoOpForge, TableLookupNodeForge, TableOuterLookupNodeForge

public abstract class QueryPlanNodeForge
extends Object
implements CodegenMakeable<SAIFFInitializeSymbol>

Specification node for a query execution plan to be extended by specific execution specification nodes.

Constructor Summary

Constructors

Constructor	Description
QueryPlanNodeForge()

Method Summary

Modifier and Type	Method	Description
abstract void	accept(QueryPlanNodeForgeVisitor visitor)
abstract void	addIndexes(HashSet<TableLookupIndexReqKey> usedIndexes)
static String	print(QueryPlanNodeForge[] planNodeSpecs)	Print in readable format the execution plan spec.
protected abstract void	print(IndentWriter writer)	Print a long readable format of the query node to the supplied PrintWriter.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.espertech.esper.common.internal.bytecodemodel.util.CodegenMakeable

make

Constructor Details

QueryPlanNodeForge

public QueryPlanNodeForge()

Method Details

addIndexes

public abstract void addIndexes(HashSet<TableLookupIndexReqKey> usedIndexes)

accept

public abstract void accept(QueryPlanNodeForgeVisitor visitor)

print

protected abstract void print(IndentWriter writer)

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

Parameters:

writer - is the indentation writer to print to

print

public static String print(QueryPlanNodeForge[] planNodeSpecs)

Print in readable format the execution plan spec.

Parameters:

planNodeSpecs - - plans to print

Returns:

readable text with plans