com.bigdata.rdf.sparql.ast.optimizers

Class ASTRangeOptimizer

java.lang.Object

com.bigdata.rdf.sparql.ast.optimizers.AbstractJoinGroupOptimizer

com.bigdata.rdf.sparql.ast.optimizers.ASTRangeOptimizer

All Implemented Interfaces:

IASTOptimizer

public class ASTRangeOptimizer
extends AbstractJoinGroupOptimizer
implements IASTOptimizer

Attach range bops.

Constructor Summary

Constructors

Constructor and Description
ASTRangeOptimizer()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	optimizeJoinGroup(AST2BOpContext ctx, StaticAnalysis sa, IBindingSet[] bSets, JoinGroupNode group) Optimize the join group, attach range nodes.
static RangeBOp	toRangeBOp(BOpContextBase context, RangeNode range, GlobalAnnotations globals) Public static facilitates the test cases.

Methods inherited from class com.bigdata.rdf.sparql.ast.optimizers.AbstractJoinGroupOptimizer

optimize

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.bigdata.rdf.sparql.ast.optimizers.IASTOptimizer

optimize

Constructor Detail

ASTRangeOptimizer

public ASTRangeOptimizer()

Method Detail

optimizeJoinGroup

protected void optimizeJoinGroup(AST2BOpContext ctx,
                     StaticAnalysis sa,
                     IBindingSet[] bSets,
                     JoinGroupNode group)

Optimize the join group, attach range nodes.

Specified by:

optimizeJoinGroup in class AbstractJoinGroupOptimizer

toRangeBOp

public static RangeBOp toRangeBOp(BOpContextBase context,
                  RangeNode range,
                  GlobalAnnotations globals)

Public static facilitates the test cases.