Package de.xima.fc.common.store.versioned

Interface IResourceStoreManager.IResourceStoreWithLoader<Key,Value>

Type Parameters:

Key - The type of the key.

Value - The type of the associated value.

All Superinterfaces:

IResourceStoreManager.IResourceStoreBase<Key,Value>

Enclosing interface:

IResourceStoreManager

public static interface IResourceStoreManager.IResourceStoreWithLoader<Key,Value>
extends IResourceStoreManager.IResourceStoreBase<Key,Value>

Same as IResourceStoreManager.IResourceStore, but with a bound loader that does not need to be specified each time when requesting a value for a key.

Since:

8.3.0

Author:

XIMA MEDIA GmbH

Method Summary

Modifier and Type	Method	Description
Value	computeIfAbsent(Key key)	Gets the value for the given key.

Methods inherited from interface de.xima.fc.common.store.versioned.IResourceStoreManager.IResourceStoreBase

computeIfAbsent, getIfPresent, remove, removeAndGetIfPresent

Method Detail

computeIfAbsent

Value computeIfAbsent(Key key)
               throws IOException

Gets the value for the given key. When the value exists already, it will be returned. If the value does not exist yet, it will be loaded using the bound loader.

Parameters:

key - The key for which to get the value.

Returns:

The associated value, either from the store if still fresh, or obtained from the bound loader.

Throws:

IOException - If the loader throws an exception.