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

Packages that use ImmutableQueryCollection

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

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

Subinterfaces of ImmutableQueryCollection in org.apache.lens.server.api.query.collect

Modifier and Type	Interface and Description
interface	EstimatedImmutableQueryCollection The implementations of this interface should make sure that add behaviours only accepts queries for which selected driver is not null and a valid selected driver query cost is present.

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

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

Modifier and Type	Interface and Description
interface	EstimatedQueryCollection
interface	QueryCollection QueryCollection interface defines all (immutable + mutable) behaviours on queries existing in lens system.

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

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	DefaultQueryCollection 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.
class	ThreadSafeQueryCollection Makes a QueryCollection implementation thread safe by synchronizing all behaviours.