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Package org.apache.pig.impl.plan.optimizer

Removed Classes
CommonNodeFinder  
PlanOptimizer A class to optimize plans.
Rule A rule for optimizing a plan.
Rule.WalkerAlgo  
RuleMatcher RuleMatcher contains the logic to determine whether a given rule matches.
RuleOperator Parent for all Logical operators.
RuleOperator.NodeType  
RulePlan  
RulePlanPrinter A visitor mechanism printing out the logical plan.
RulePlanVisitor  
Transformer Transformer represents one tranform that the optimizer can apply to a graph.