public void Test()
{
var indexer = new EntityIndexer();
var group = new MetadataDefinitionGroupProjection{Identity = Guid.NewGuid(), Name="xxx"};
indexer.SaveIndex(new EntityProjection(Guid.NewGuid(), Guid.Empty, "sheep"),
group,
new EntityValueProjection[0]);
indexer.SaveIndex(new EntityProjection(Guid.NewGuid(), Guid.Empty, "shop"),
group,
new EntityValueProjection[0]);
var result = indexer.SearchKeywords("shop", 10, 1);
Assert.Greater(result.TotalHits, 0);
}
public SchemaTransferObject(MetadataDefinitionGroupProjection entity, IEnumerable<MetadataDefinitionGroupMetadataProjection> attributes)
{
Entity = entity;
Attributes = attributes;
}
private Document ToDocument(EntityProjection entity, MetadataDefinitionGroupProjection group, IEnumerable<EntityValueProjection> values)
{
var doc = new Document();
foreach (var field in ToFields(entity, group, values))
doc.Add(field);
return doc;
}
public IEnumerable<Field> ToFields(EntityProjection entity, MetadataDefinitionGroupProjection group, IEnumerable<EntityValueProjection> values)
{
yield return new Field(FIELD_ID, entity.Identity.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED);
yield return new Field(FIELD_NAME, entity.Name, Field.Store.YES, Field.Index.ANALYZED);
yield return new Field(FIELD_NAME_RAW, entity.Name, Field.Store.NO, Field.Index.NOT_ANALYZED);
if (group!= null)
{
yield return new Field(FIELD_GROUP_ID, group.Identity.ToString(), Field.Store.YES, Field.Index.ANALYZED);
yield return new Field(FIELD_GROUP_NAME, group.Name, Field.Store.YES, Field.Index.ANALYZED);
}
foreach (var value in values)
{
foreach (var keyword in MetadataDefinition.KeywordDefinitions.Where(x => x.Equals(value.Name, StringComparison.InvariantCultureIgnoreCase)))
{
yield return new Field(keyword, value.Value, Field.Store.YES, Field.Index.ANALYZED);
}
yield return new Field(FIELD_METADATA, value.Value, Field.Store.YES, Field.Index.ANALYZED);
}
}
public void SaveIndex(EntityProjection entity, MetadataDefinitionGroupProjection group, IEnumerable<EntityValueProjection> values)
{
var doc = ToDocument(entity, group, values);
var term = new Term(FIELD_ID, entity.Identity.ToString());
using (var writer = OpenWriter())
{
writer.UpdateDocument(term, doc);
writer.Commit();
writer.Optimize();
}
}
public void RenameGroup(MetadataDefinitionGroupProjection @group)
{
var term = new Term(FIELD_GROUP_ID, @group.Identity.ToString());
using (var writer = OpenWriter())
using (var searcher = new IndexSearcher(IndexDir, true))
{
while(true)
{
const int BATCH = 100;
var result = searcher.Search(new TermQuery(term), BATCH);
foreach (var scoreDoc in result.ScoreDocs)
{
var doc = searcher.Doc(scoreDoc.Doc);
doc.GetField(FIELD_GROUP_NAME).SetValue(group.Name);
writer.UpdateDocument(new Term(FIELD_ID, doc.Get(FIELD_ID)), doc);
}
if (result.TotalHits <= BATCH)
break;
}
writer.Commit();
writer.Optimize();
}
}
