public bool RecordsExist(AbstractConnection connection, Entity entity)
{
var checker = new LuceneConnectionChecker(entity.ProcessName, connection.Logger);
if (!checker.Check(connection))
{
return(false);
}
var directoryInfo = new DirectoryInfo(LuceneDirectoryFactory.Path(connection, entity));
if (!directoryInfo.Exists)
{
return(false);
}
if (directoryInfo.GetFiles().Length == 0)
{
return(false);
}
using (var indexDirectory = LuceneDirectoryFactory.Create(connection, entity)) {
using (var reader = IndexReader.Open(indexDirectory, true)) {
var count = reader.NumDocs();
return(count > 0);
}
}
}
public void Drop(AbstractConnection connection, Entity entity)
{
if (!EntityExists.Exists(connection, entity))
{
return;
}
new DirectoryInfo(LuceneDirectoryFactory.Path(connection, entity)).Delete(true);
}
public bool Exists(AbstractConnection connection, Entity entity)
{
if (!new DirectoryInfo(LuceneDirectoryFactory.Path(connection, entity)).Exists)
{
return(false);
}
using (var dir = LuceneDirectoryFactory.Create(connection, entity)) {
return(dir.ListAll().Length > 0);
}
}