AccessRegistrarIF (Ontopia)

All Known Implementing Classes:

AbstractLocalCache, ROLocalCache, RWLocalCache, SharedCache
```
public interface AccessRegistrarIF
```
INTERNAL: Interface for receiving notification when data is being read from database storage. This interface is usually implemented by the various cache implementations, which maintains a copy of the known database state.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`IdentityIF`	`createIdentity(Class<?> type, long key)`	INTERNAL: Factory method for creating new identity objects.
`IdentityIF`	`createIdentity(Class<?> type, Object key)`	INTERNAL: Factory method for creating new identity objects.
`IdentityIF`	`createIdentity(Class<?> type, Object[] keys)`	INTERNAL: Factory method for creating new identity objects.
`TicketIF`	`getTicket()`	INTERNAL: Get ticket that should be used as first argument to register methods.
`void`	`registerField(TicketIF ticket, IdentityIF identity, int field, Object value)`	INTERNAL: Called by storage accessors (FieldAccessIF) when they read the value of an object field from the database.
`void`	`registerIdentity(TicketIF ticket, IdentityIF identity)`	INTERNAL: Called by storage accessors (QueryIFs or FieldAccessIF) when they locate the identity of an object in the database.

- Method Detail
  - createIdentity
```
IdentityIF createIdentity(Class<?> type,
                          long key)
```
    INTERNAL: Factory method for creating new identity objects. Key is guaranteed to have a width of 1 and key value which a Long.
  - createIdentity
```
IdentityIF createIdentity(Class<?> type,
                          Object key)
```
    INTERNAL: Factory method for creating new identity objects. Key is guaranteed to have a width of 1.
  - createIdentity
```
IdentityIF createIdentity(Class<?> type,
                          Object[] keys)
```
    INTERNAL: Factory method for creating new identity objects. Key can have any width.
  - getTicket
```
TicketIF getTicket()
```
    INTERNAL: Get ticket that should be used as first argument to register methods. The ticket is used figure out if value should be registered or not.
  - registerIdentity
```
void registerIdentity(TicketIF ticket,
                      IdentityIF identity)
```
    INTERNAL: Called by storage accessors (QueryIFs or FieldAccessIF) when they locate the identity of an object in the database.
  - registerField
```
void registerField(TicketIF ticket,
                   IdentityIF identity,
                   int field,
                   Object value)
```
    INTERNAL: Called by storage accessors (FieldAccessIF) when they read the value of an object field from the database.