pl.setblack.airomem.core.builders

Class PersistenceFactory

java.lang.Object

pl.setblack.airomem.core.builders.PersistenceFactory

public class PersistenceFactory
extends Object

Simple factory for PersistenceControllerImpl. (Better builder based solution will be created later).

Author:

jarekr

Field Summary

Fields

Modifier and Type	Field and Description
static String	STORAGE_FOLDER

Constructor Summary

Constructors

Constructor and Description
PersistenceFactory()

Method Summary

Modifier and Type	Method and Description
boolean	exists(String name)
<T extends Storable<R>,R> PersistenceController<T,R>	init(String name, T initial) Init new persistent system.
<T extends Storable<R>,R> PersistenceController<T,R>	initOptional(String name, java.util.function.Supplier<T> supplier) Init new system or load from disk if already exists save.
<T extends Storable<R>,R> PersistenceController<T,R>	load(String name) Init previously stored system.

Methods inherited from class java.lang.Object

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

Field Detail

STORAGE_FOLDER

public static final String STORAGE_FOLDER

See Also:

Constant Field Values

Constructor Detail

PersistenceFactory

public PersistenceFactory()

Method Detail

load

public <T extends Storable<R>,R> PersistenceController<T,R> load(String name)

Init previously stored system.

Type Parameters:

T - Mutable interface of system

R - Immutable view of system

Parameters:

name - name of automatically created folder (to store jounal and snapshots)

Returns:

PersistenceControllerImpl for later use

init

public <T extends Storable<R>,R> PersistenceController<T,R> init(String name,
                                                                 T initial)

Init new persistent system.

Type Parameters:

T - Mutable interface of system

R - Immutable view of system

Parameters:

name - name of automatically created folder (to store jounal and snapshots)

Returns:

PersistenceControllerImpl for further use

initOptional

public <T extends Storable<R>,R> PersistenceController<T,R> initOptional(String name,
                                                                         java.util.function.Supplier<T> supplier)

Init new system or load from disk if already exists save.

Type Parameters:

T - Mutable interface of system

R - Immutable view of system

Parameters:

name - name of automatically created folder (to store jounal and snapshots)

supplier - factory creating initial state of system (if nothing was saved)

Returns:

PersistenceControllerImpl for further use

exists

public boolean exists(String name)