com.facebook.buck.query

Interface QueryEvaluator<ENV_NODE_TYPE>

All Known Implementing Classes:

CachingQueryEvaluator, NoopQueryEvaluator

public interface QueryEvaluator<ENV_NODE_TYPE>

Method Summary

Modifier and Type	Method and Description
<OUTPUT_TYPE extends QueryTarget> Set<OUTPUT_TYPE>	eval(QueryExpression<ENV_NODE_TYPE> exp, QueryEnvironment<ENV_NODE_TYPE> env) Evaluates the result of a query expression in the given environment.

Method Detail

eval

<OUTPUT_TYPE extends QueryTarget> Set<OUTPUT_TYPE> eval(QueryExpression<ENV_NODE_TYPE> exp,
                                                        QueryEnvironment<ENV_NODE_TYPE> env)
                                                 throws QueryException

Evaluates the result of a query expression in the given environment.

Parameters:

exp - the query expression to be evaluated.

env - the environment used for evaluation of the given query.

Returns:

the evaluated target set.

Throws:

QueryException - if evaluation fails.