Package one.microstream.reference

Class Lazy.Default<T>

java.lang.Object

one.microstream.reference.Lazy.Default<T>

All Implemented Interfaces:

Lazy<T>, Referencing<T>

Enclosing interface:

Lazy<T>

public static final class Lazy.Default<T>
extends Object
implements Lazy<T>

Nested Class Summary

Nested classes/interfaces inherited from interface one.microstream.reference.Lazy

Lazy.Check, Lazy.Checker, Lazy.ClearingEvaluator, Lazy.Default<T>

Constructor Summary

Constructors

Constructor	Description
Default()

Method Summary

Modifier and Type	Method	Description
T	clear()	Clears the reference, leaving the option to re-load it again intact, and returns the subject that was referenced prior to clearing.
boolean	clear(Lazy.ClearingEvaluator clearingEvaluator)
static Class<Lazy.Default<?>>	genericType()
T	get()	Returns the original subject referenced by this reference instance.
boolean	isLoaded()
boolean	isStored()
long	lastTouched()	Returns the timestamp (corresponding to System.currentTimeMillis()) when this instance has last been "touched", meaning having its reference modified or queried.
long	objectId()
T	peek()	Returns the wrapped reference without loading it on demand.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Default

public Default()

Method Details

genericType

public static final Class<Lazy.Default<?>> genericType()

objectId

public final long objectId()

lastTouched

public final long lastTouched()

Description copied from interface: Lazy

Returns the timestamp (corresponding to System.currentTimeMillis()) when this instance has last been "touched", meaning having its reference modified or queried.

Specified by:

lastTouched in interface Lazy<T>

Returns:

the time this instance has last been significantly used.

isStored

public final boolean isStored()

Specified by:

isStored in interface Lazy<T>

isLoaded

public final boolean isLoaded()

Specified by:

isLoaded in interface Lazy<T>

peek

public final T peek()

Returns the wrapped reference without loading it on demand.

Specified by:

peek in interface Lazy<T>

Returns:

the current reference withouth on-demand loading.

clear

public final T clear()

Clears the reference, leaving the option to re-load it again intact, and returns the subject that was referenced prior to clearing.

Specified by:

clear in interface Lazy<T>

Returns:

the subject referenced prior to clearing the reference.

clear

public final boolean clear(Lazy.ClearingEvaluator clearingEvaluator)

Specified by:

clear in interface Lazy<T>

get

public final T get()

Returns the original subject referenced by this reference instance. If the subject has (lazily) not been loaded, an attempt to do so now is made. Any exception occuring during the loading attempt will be passed along without currupting this reference instance's internal state.

Specified by:

get in interface Lazy<T>

Specified by:

get in interface Referencing<T>

Returns:

the originally referenced subject, either already-known or lazy-loaded.

toString

public String toString()

Overrides:

toString in class Object