public class MetadataTransformExample extends Object implements MetadataTransform
For example the values under key "creator" could be moved to be under the key "author".
MetadataTransform.HistoricalWrapper, MetadataTransform.Keyset, MetadataTransform.TransmissionDecision
KEY_CONTENT_TYPE, KEY_CRAWL_ONCE, KEY_DISPLAY_URL, KEY_DOC_ID, KEY_FORCED_TRANSMISSION_DECISION, KEY_LAST_MODIFIED_MILLIS_UTC, KEY_LOCK, KEY_TRANSMISSION_DECISION
Modifier and Type | Method and Description |
---|---|
static MetadataTransformExample |
create(Map<String,String> cfg)
Makes transform from config with "src" and "dest" keys.
|
String |
toString() |
void |
transform(Metadata metadata,
Map<String,String> params)
Any changes to
metadata and params will be
passed on to subsequent transforms. |
public static MetadataTransformExample create(Map<String,String> cfg)
cfg
- configurationpublic void transform(Metadata metadata, Map<String,String> params)
MetadataTransform
metadata
and params
will be
passed on to subsequent transforms. This method must be thread-safe.transform
in interface MetadataTransform
metadata
- of documentparams
- are extra contextual information