org.apache.lens.server.api.query.collect

Class DriverSpecificWaitingQueriesSelectionPolicy

java.lang.Object

org.apache.lens.server.api.query.collect.DriverSpecificWaitingQueriesSelectionPolicy

All Implemented Interfaces:

WaitingQueriesSelectionPolicy

public class DriverSpecificWaitingQueriesSelectionPolicy
extends Object
implements WaitingQueriesSelectionPolicy

Constructor Summary

Constructors

Constructor and Description
DriverSpecificWaitingQueriesSelectionPolicy()

Method Summary

Modifier and Type	Method and Description
Set<QueryContext>	selectQueries(FinishedLensQuery finishedQuery, EstimatedImmutableQueryCollection waitingQueries) Selects a subset of waiting queries eligible to move out of waiting state, based on logic of this selection policy.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DriverSpecificWaitingQueriesSelectionPolicy

public DriverSpecificWaitingQueriesSelectionPolicy()

Method Detail

selectQueries

public Set<QueryContext> selectQueries(FinishedLensQuery finishedQuery,
                                       EstimatedImmutableQueryCollection waitingQueries)

Description copied from interface: WaitingQueriesSelectionPolicy

Selects a subset of waiting queries eligible to move out of waiting state, based on logic of this selection policy.

Specified by:

selectQueries in interface WaitingQueriesSelectionPolicy

Parameters:

finishedQuery -

waitingQueries - current waiting queries

Returns: