Uses of Interface
org.apache.lens.server.api.query.collect.EstimatedImmutableQueryCollection

Packages that use EstimatedImmutableQueryCollection

Package	Description
org.apache.lens.driver.jdbc
org.apache.lens.server.api.query.collect
org.apache.lens.server.api.query.constraint
org.apache.lens.server.query.collect
org.apache.lens.server.query.constraint

Uses of EstimatedImmutableQueryCollection in org.apache.lens.driver.jdbc

Methods in org.apache.lens.driver.jdbc with parameters of type EstimatedImmutableQueryCollection

Modifier and Type	Method and Description
boolean	MaxJDBCConnectionCheckConstraint.allowsLaunchOf(QueryContext candidateQuery, EstimatedImmutableQueryCollection launchedQueries)

Uses of EstimatedImmutableQueryCollection in org.apache.lens.server.api.query.collect

Methods in org.apache.lens.server.api.query.collect with parameters of type EstimatedImmutableQueryCollection

Modifier and Type	Method and Description
Set<QueryContext>	WaitingQueriesSelectionPolicy.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.
Set<QueryContext>	DriverSpecificWaitingQueriesSelectionPolicy.selectQueries(FinishedLensQuery finishedQuery, EstimatedImmutableQueryCollection waitingQueries)

Uses of EstimatedImmutableQueryCollection in org.apache.lens.server.api.query.constraint

Methods in org.apache.lens.server.api.query.constraint with parameters of type EstimatedImmutableQueryCollection

Modifier and Type	Method and Description
boolean	QueryLaunchingConstraint.allowsLaunchOf(QueryContext candidateQuery, EstimatedImmutableQueryCollection launchedQueries) Returns whether this constraint allows candidate query to be launched.
boolean	MaxConcurrentDriverQueriesConstraint.allowsLaunchOf(QueryContext candidateQuery, EstimatedImmutableQueryCollection launchedQueries)

Uses of EstimatedImmutableQueryCollection in org.apache.lens.server.query.collect

Subinterfaces of EstimatedImmutableQueryCollection in org.apache.lens.server.query.collect

Modifier and Type	Interface and Description
interface	EstimatedQueryCollection

Classes in org.apache.lens.server.query.collect that implement EstimatedImmutableQueryCollection

Modifier and Type	Class and Description
class	DefaultEstimatedQueryCollection Implementation which creates multiple in memory views of queries existing in lens system and owns responsibility of keeping all the views consistent with each other.
class	ThreadSafeEstimatedQueryCollection Makes an implementation of EstimatedQueryCollection interface thread safe by wrapping all behaviours in synchronized method.

Methods in org.apache.lens.server.query.collect with parameters of type EstimatedImmutableQueryCollection

Modifier and Type	Method and Description
Set<QueryContext>	WaitingQueriesSelector.selectQueries(FinishedLensQuery finishedQuery, EstimatedImmutableQueryCollection waitingQueries)
Set<QueryContext>	UserSpecificWaitingQueriesSelectionPolicy.selectQueries(FinishedLensQuery finishedQuery, EstimatedImmutableQueryCollection waitingQueries)
Set<QueryContext>	UnioningWaitingQueriesSelector.selectQueries(FinishedLensQuery finishedQuery, EstimatedImmutableQueryCollection waitingQueries) Selects queries eligible by all WaitingQueriesSelectionPolicy to move them out of waiting state.

Uses of EstimatedImmutableQueryCollection in org.apache.lens.server.query.constraint

Methods in org.apache.lens.server.query.constraint with parameters of type EstimatedImmutableQueryCollection

Modifier and Type	Method and Description
boolean	TotalQueryCostCeilingConstraint.allowsLaunchOf(QueryContext candidateQuery, EstimatedImmutableQueryCollection launchedQueries) This constraint allows a query to be launched by the user, if total query cost of launched queries of the user is less than or equal to the total query cost ceiling per user OR the total query cost ceiling per user is not present.
boolean	QueryLaunchingConstraintsChecker.canLaunch(QueryContext candidateQuery, EstimatedImmutableQueryCollection launchedQueries)
boolean	DefaultQueryLaunchingConstraintsChecker.canLaunch(QueryContext candidateQuery, EstimatedImmutableQueryCollection launchedQueries)