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## org.modeshape.graph.query.optimize
Interface OptimizerRule

All Known Implementing Classes:
  AddAccessNodes, AddJoinConditionColumnsToSources, ChooseJoinAlgorithm, CopyCriteria, PushProjects, PushSelectCriteria, RaiseSelectCriteria, RaiseVariableName, RemoveEmptyAccessNodes, ReplaceViews, RewriteAsRangeCriteria, RewriteIdentityJoins, RewritePseudoColumns, RightOuterToLeftOuterJoins

    @Immutable
    public interface OptimizerRule

Interface that defines an `Optimizer` rule.

Method Summary
`PlanNode` | `execute(QueryContext context, PlanNode plan, LinkedList<OptimizerRule> ruleStack)` Optimize the supplied plan using the supplied context, hints, and yet-to-be-run rules.

Method Detail

### execute

    PlanNode execute(QueryContext context,
                     PlanNode plan,
                     LinkedList<OptimizerRule> ruleStack)

  Optimize the supplied plan using the supplied context, hints, and yet-to-be-run rules.

  Parameters:
    `context` - the context in which the query is being optimized; never null
    `plan` - the plan to be optimized; never null
    `ruleStack` - the stack of rules that will be run after this rule; never null
  Returns:
    the optimized plan; never null

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