Interface IPreferenceMetadataStore
- All Known Implementing Classes:
OsgiPreferenceMetadataStore
public interface IPreferenceMetadataStore
Provides metadata-based access to a preference store.
- Since:
- 3.8
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Method Summary
Modifier and TypeMethodDescription<V> booleanChecks if this value type can be handled by this preference store.<V> Vload(PreferenceMetadata<V> preference) Loads the value of specified preference from an enclosed storage.<V> voidsave(V value, PreferenceMetadata<V> preference) Saves the value of specified preference to the enclosed storage.
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Method Details
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handles
Checks if this value type can be handled by this preference store.- Type Parameters:
V- the value type for the preference- Parameters:
valueType- the value type to be checked- Returns:
- true if this value type can be handled by this preference store and false otherwise
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load
Loads the value of specified preference from an enclosed storage. If the value is not found returns the preference default value.- Type Parameters:
V- the value type for the preference- Parameters:
preference- the preference metadata, must not benull.- Returns:
- the preference value or default value if preference is unknown
- Throws:
UnsupportedOperationException- for unsupported preference value types- See Also:
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save
Saves the value of specified preference to the enclosed storage.- Type Parameters:
V- the value type for the preference- Parameters:
value- to be saved, must not benull.preference- the preference metadata, must not benull.- Throws:
UnsupportedOperationException- for unsupported preference value types- See Also:
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