com.bigdata.rdf.sparql.ast.optimizers

Class ASTStaticBindingsOptimizer.InlineTasks

java.lang.Object

com.bigdata.rdf.sparql.ast.optimizers.ASTStaticBindingsOptimizer.InlineTasks

Enclosing class:

ASTStaticBindingsOptimizer

public static class ASTStaticBindingsOptimizer.InlineTasks
extends Object

Task specifying the inlining opportunities for a given variable in the form of a list of query nodes in which a statically derived value for the given variable can be inlined. Can be applied by calling the apply() method.

Constructor Summary

Constructors

Constructor and Description
ASTStaticBindingsOptimizer.InlineTasks(IVariable var, IConstant<IV> val, List<IQueryNode> nodes) Construct an inline task

Method Summary

Methods

Modifier and Type	Method and Description
void	apply() Applies the ASTStaticBindingsOptimizer.InlineTasks for the variable through the given constant to the patterns specified in the task.
IVariable	getVar()

Methods inherited from class java.lang.Object

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

Constructor Detail

ASTStaticBindingsOptimizer.InlineTasks

public ASTStaticBindingsOptimizer.InlineTasks(IVariable var,
                                      IConstant<IV> val,
                                      List<IQueryNode> nodes)

Construct an inline task

Parameters:

var - the variable to inline

val - the known value for the variable

nodes - the nodes in which inlining is valid

Method Detail

getVar

public IVariable getVar()

apply

public void apply()

Applies the ASTStaticBindingsOptimizer.InlineTasks for the variable through the given constant to the patterns specified in the task.