org.xcmis.search.query.optimize
Interface OptimizerCriteria

All Known Implementing Classes:

PushWhereCriteria

public interface OptimizerCriteria

Interface that defines an Optimizer criteria.

Method Summary

QueryExecutionPlan

execute(QueryExecutionContext context, QueryExecutionPlan plan, LinkedList<OptimizerCriteria> criteriaStack) Optimize the supplied plan using the supplied context, hints, and yet-to-be-run rules.

Method Detail

execute

QueryExecutionPlan execute(QueryExecutionContext context,
                           QueryExecutionPlan plan,
                           LinkedList<OptimizerCriteria> criteriaStack)

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

criteriaStack - the stack of rules that will be run after this rule; never null

Returns:

the optimized plan; never null