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## org.modeshape.graph.query.optimize
Class RightOuterToLeftOuterJoins

    java.lang.Object
      org.modeshape.graph.query.optimize.RightOuterToLeftOuterJoins

All Implemented Interfaces:
  OptimizerRule

    @Immutable
    public class RightOuterToLeftOuterJoins

extends Object
implements OptimizerRule

An `optimizer rule` that converts `right outer joins` into `left outer joins`.

Field Summary
`static RightOuterToLeftOuterJoins` | `INSTANCE`

Constructor Summary
`RightOuterToLeftOuterJoins()`

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.
`String` | `toString()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### INSTANCE

    public static final RightOuterToLeftOuterJoins INSTANCE

Constructor Detail

### RightOuterToLeftOuterJoins

    public RightOuterToLeftOuterJoins()

Method Detail

### execute

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

  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 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
  See Also:
    `OptimizerRule.execute(org.modeshape.graph.query.QueryContext, org.modeshape.graph.query.plan.PlanNode, java.util.LinkedList)`

### toString

    public String toString()

  Overrides:
    `toString` in class `Object`
  See Also:
    `Object.toString()`

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