(バージョン情報なし。おそらく SVN 版にしか存在しないでしょう)
Represents a Solr document retrieved from a query response.
SolrDocument::SORT_DEFAULT
Default mode for sorting fields within the document.
SolrDocument::SORT_ASC
Sorts the fields in ascending order
SolrDocument::SORT_DESC
Sorts the fields in descending order
SolrDocument::SORT_FIELD_NAME
Sorts the fields by field name.
SolrDocument::SORT_FIELD_VALUE_COUNT
Sorts the fields by number of values in each field.
SolrDocument::SORT_FIELD_BOOST_VALUE
Sorts the fields by thier boost values.