org.modeshape.jcr.query.optimize
Class RewritePathAndNameCriteria
java.lang.Object
org.modeshape.jcr.query.optimize.RewritePathAndNameCriteria
- All Implemented Interfaces:
- OptimizerRule
@Immutable
public class RewritePathAndNameCriteria
- extends Object
- implements OptimizerRule
An optimizer rule
that rewrites Constraint trees, moving path-, name-, or depth-oriented criteria to the
left-most parts of the constraint tree.
INSTANCE
public static final RewritePathAndNameCriteria INSTANCE
RewritePathAndNameCriteria
public RewritePathAndNameCriteria()
execute
public PlanNode execute(QueryContext context,
PlanNode plan,
LinkedList<OptimizerRule> ruleStack)
- Description copied from interface:
OptimizerRule
- Optimize the supplied plan using the supplied context, hints, and yet-to-be-run rules.
- Specified by:
execute
in interface OptimizerRule
- Parameters:
context
- the context in which the query is being optimized; never nullplan
- the plan to be optimized; never nullruleStack
- the stack of rules that will be run after this rule; never null
- Returns:
- the optimized plan; never null
rewriteCriteria
protected Constraint rewriteCriteria(QueryContext context,
Constraint constraint)
isPathOriented
protected boolean isPathOriented(DynamicOperand op)
toString
public String toString()
- Overrides:
toString
in class Object
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