/** Extracts document and cluster lists before serialization. */
@Persist
private void beforeSerialization() {
/*
* See http://issues.carrot2.org/browse/CARROT-693; this monitor does not save us
* in multi-threaded environment anyway. A better solution would be to prepare
* this eagerly in the constructor, but we try to balance overhead and full
* correctness here.
*/
synchronized (this) {
query = (String) attributes.get(AttributeNames.QUERY);
if (getDocuments() != null) {
documents = Lists.newArrayList(getDocuments());
} else {
documents = null;
}
if (getClusters() != null) {
clusters = Lists.newArrayList(getClusters());
} else {
clusters = null;
}
otherAttributesForSerialization = MapUtils.asHashMap(SimpleXmlWrappers.wrap(attributes));
otherAttributesForSerialization.remove(AttributeNames.QUERY);
otherAttributesForSerialization.remove(AttributeNames.CLUSTERS);
otherAttributesForSerialization.remove(AttributeNames.DOCUMENTS);
if (otherAttributesForSerialization.isEmpty()) {
otherAttributesForSerialization = null;
}
}
}
@Persist
@SuppressWarnings("unused")
private void beforeSerialization() {
documentIds =
Lists.transform(
documents,
new Function<Document, DocumentRefid>() {
public DocumentRefid apply(Document document) {
return new DocumentRefid(document.getId());
}
});
// Remove score from attributes for serialization
otherAttributesForSerialization = MapUtils.asHashMap(SimpleXmlWrappers.wrap(attributes));
otherAttributesForSerialization.remove(SCORE);
if (otherAttributesForSerialization.isEmpty()) {
otherAttributesForSerialization = null;
}
}