org.gonn.gava

Interface Storable<T,R>

Type Parameters:

T - data type for Key

R - data type for Record (value)

All Known Implementing Classes:

Config

public interface Storable<T,R>

Minimal Database Interface for CRUD operation A user can use key for Bucket/Database as well. (eg. "employees.Gon") public class ABC implements Storable <String, String> { ... }

Version:

1.0.2

Author:

Gon Yi

Method Summary

Modifier and Type	Method and Description
<E extends Throwable> void	close() Close the storable
<E extends Throwable> boolean	delete(T key) Delete a record
<E extends Throwable> R	get(T key) Get a record for the key.
<E extends Throwable> boolean	set(T key, R rec) Add a record with the key.

Method Detail

get

<E extends Throwable> R get(T key)
                     throws E extends Throwable

Get a record for the key.

Type Parameters:

E - any exception

Parameters:

key - to the record

Returns:

record IF exists OTHERWISE returns null.

Throws:

E - any exception

E extends Throwable

set

<E extends Throwable> boolean set(T key,
                                  R rec)
                           throws E extends Throwable

Add a record with the key. IF the key already exists, overwrite the record.

Type Parameters:

E - any exception

Parameters:

key - to the record.

rec - to save.

Returns:

true if successfully added/updated.

Throws:

E - any exception

E extends Throwable

delete

<E extends Throwable> boolean delete(T key)
                              throws E extends Throwable

Delete a record

Type Parameters:

E - any exception

Parameters:

key - to the record

Returns:

true if a record exists and deleted, otherwise false.

Throws:

E - any exception

E extends Throwable

close

<E extends Throwable> void close()
                          throws E extends Throwable

Close the storable

Type Parameters:

E - any exception

Throws:

E - any exception

E extends Throwable