one.microstream.persistence.types

Interface PersistenceFunction

All Known Subinterfaces:

PersistenceRegisterer, PersistenceStoreHandler<D>

All Known Implementing Classes:

DebugGraphPrinter, PersistenceRegisterer.Default

public interface PersistenceFunction

Method Summary

Modifier and Type	Method and Description
<T> long	apply(T instance) Applies any action on the passed instance (e.g.: simply looking up its object ID or storing its state to a storage medium) and returns the object ID that identifies the passed instance.

Method Detail

apply

<T> long apply(T instance)

Applies any action on the passed instance (e.g.: simply looking up its object ID or storing its state to a storage medium) and returns the object ID that identifies the passed instance. The returned OID may be the existing one for the passed instance or a newly associated one.

Type Parameters:

T - the instance's type

Parameters:

instance - the instance to which the function shall be applied.

Returns:

the object ID (OID) that is associated with the passed instance.