Package one.microstream.collections.lazy

Class LazySegmentUnloader.Never

java.lang.Object

one.microstream.collections.lazy.LazySegmentUnloader.Never

All Implemented Interfaces:

LazySegmentUnloader

Enclosing interface:

LazySegmentUnloader

public static final class LazySegmentUnloader.Never
extends Object
implements LazySegmentUnloader

LazyUnloader implementation that does no unloading.

Nested Class Summary

Nested classes/interfaces inherited from interface one.microstream.collections.lazy.LazySegmentUnloader

LazySegmentUnloader.Default, LazySegmentUnloader.Never, LazySegmentUnloader.Timed

Constructor Summary

Constructors

Constructor	Description
Never()

Method Summary

Modifier and Type	Method	Description
LazySegmentUnloader	copy()	Create a new copy of this LazySegmentUnloader.
void	remove(LazySegment<?> segment)	Unregister the provided segment from the Unloader.
void	unload(boolean unloadAll)	Tries to unload as much as possible elements from the collection.
void	unload(LazySegment<?> lazySegment)	Tries to unload segments.

Methods inherited from class java.lang.Object

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

Constructor Details

Never

public Never()

Method Details

unload

public void unload(LazySegment<?> lazySegment)

Description copied from interface: LazySegmentUnloader

Tries to unload segments. Most implementation should not unload the currently used segment.

Specified by:

unload in interface LazySegmentUnloader

Parameters:

lazySegment - LazySegment that is currently in use.

unload

public void unload(boolean unloadAll)

Description copied from interface: LazySegmentUnloader

Tries to unload as much as possible elements from the collection. The amount of unloaded data depends on the unloader implementation details. E.g if the unloader is configured to keep a minimum of data in memory that minimum will not be unloaded as long as the parameter unloadAll is not specified. If unloadAll is try it will try to to fall below that limit.

Specified by:

unload in interface LazySegmentUnloader

Parameters:

unloadAll - if true try to unload everything, try to fall below limit if possible.

copy

public LazySegmentUnloader copy()

Description copied from interface: LazySegmentUnloader

Create a new copy of this LazySegmentUnloader.

Specified by:

copy in interface LazySegmentUnloader

Returns:

a new copy of this LazySegmentUnloader

remove

public void remove(LazySegment<?> segment)

Description copied from interface: LazySegmentUnloader

Unregister the provided segment from the Unloader.

Specified by:

remove in interface LazySegmentUnloader

Parameters:

segment - Segment to be unregistered.