felix.optimizer
Class OperatorSelector
java.lang.Object
felix.optimizer.OperatorSelector
public class OperatorSelector
- extends java.lang.Object
An object of OperatorSelector will partition the FelixQuery into
different StatOperators. Current version does not rely on the
cost model, however, we may need to do that in the future.
- Author:
- Ce
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
OperatorSelector
public OperatorSelector(FelixQuery _fq,
CostModel _cm,
FelixCommandOptions _options)
- The constructor.
- Parameters:
_fq
- _cm
- _options
-
getOperators
public java.util.HashSet<StatOperator> getOperators()
- Get partitioned operators.
- Returns: