public static class MetadataDeleteOperator.MetadataDeleteOperatorFactory extends Object implements OperatorFactory
Constructor and Description |
---|
MetadataDeleteOperatorFactory(int operatorId,
PlanNodeId planNodeId,
Metadata metadata,
Session session,
TableHandle tableHandle) |
Modifier and Type | Method and Description |
---|---|
Operator |
createOperator(DriverContext driverContext) |
OperatorFactory |
duplicate() |
void |
noMoreOperators()
Declare that createOperator will not be called any more and release
any resources associated with this factory.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
noMoreOperators
public MetadataDeleteOperatorFactory(int operatorId, PlanNodeId planNodeId, Metadata metadata, Session session, TableHandle tableHandle)
public Operator createOperator(DriverContext driverContext)
createOperator
in interface OperatorFactory
public void noMoreOperators()
OperatorFactory
This method will be called only once. Implementation doesn't need to worry about duplicate invocations.
It is guaranteed that this will only be invoked after OperatorFactory.noMoreOperators(Lifespan)
has been invoked for all applicable driver groups.
noMoreOperators
in interface OperatorFactory
public OperatorFactory duplicate()
duplicate
in interface OperatorFactory
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