Methods' Summary |
getLayer |
retrieves the layer data for a component, if newer than indicated.
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getUpdatableLayer |
retrieves a writable representation of the layer for a component.
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Methods' Details |
getLayer
- Description
- retrieves the layer data for a component, if newer than indicated.
A timestamp can be provided, which is used to indicate
a point in time. The layer should be returned only if is modified
since that time.
- Parameter aComponent
- The name of the component to access.
- Parameter aTimestamp
- a timestamp for the layer.
An empty timestamp indicates, that the layer should be
retrieved irrespective of its modification time.
The format and meaning of a timestamp depends on
the implementation. Timestamps can be obtained using
::com::sun::star::util::XTimeStamped::getTimestamp().
- Returns
- a Layer object providing access to the layer data,
NULL if the layer is newer than indicated by the timestamp.
- Throws
- com::sun::star::lang::IllegalArgumentException
if the component identifier is invalid or
if the timestamp is invalid.
- Throws
- com::sun::star::configuration::backend::BackendAccessException
if an error occurs while accessing the data.
- See also
- ::com::sun::star::util::XTimeStamped
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getUpdatableLayer
- Description
- retrieves a writable representation of the layer for a component.
- Parameter aComponent
- The name of the component to access.
- Returns
- an UpdatableLayer object providing
write access to the layer
- Throws
- com::sun::star::lang::IllegalArgumentException
if the component identifier is invalid.
- Throws
- com::sun::star::lang::NoSupportException
if the implementation does not support updates.
- Throws
- com::sun::star::configuration::backend::BackendAccessException
if an error occurs while accessing the data.
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