private void VerifyHeader(PersistentIndexName name)
{
var types = Header.Type.Split(' ');
if (types[0] != nameof(PersistentIndex))
{
throw new InvalidOperationException("Index type and name mismatch");
}
if (name.DictionaryType != PersistentIndexName.DefaultValue && types[1] != name.DictionaryType)
{
throw new InvalidOperationException("Index type and name mismatch");
}
if (name.FieldsType != PersistentIndexName.DefaultValue && types[2] != name.FieldsType)
{
throw new InvalidOperationException("Index type and name mismatch");
}
if (name.PostingType != PersistentIndexName.DefaultValue && types[3] != name.PostingType)
{
throw new InvalidOperationException("Index type and name mismatch");
}
if (name.TextEncoding != PersistentIndexName.DefaultValue && types[4] != name.TextEncoding)
{
throw new InvalidOperationException("Index type and name mismatch");
}
}
public PersistentIndex(PersistentIndexName name)
{
var folder = name.Folder;
if (!PersistentIndexInfo.Exists(folder, FileNameInfo))
{
throw new InvalidOperationException("No index");
}
HeaderReader = new PersistentIndexInfo(folder, FileNameInfo);
Header = HeaderReader.Read();
if (Header == null)
{
throw new InvalidOperationException("No index");
}
VerifyHeader(name);
var indexType = Header.Type.Split(' ');
Dictionary = PersistentDictionaryFactory.Create(indexType[1], folder, FileNameDictionary, Header.MaxTokenSize, indexType[4]);
PostingLists = PostingListIOFactory.CreateReader(indexType[3], folder, FileNamePostingLists);
PosIndex = PersistentDictionaryFactory.Create(indexType[1], folder, FileNamePosIndex, PosIndexKeySize, indexType[4]);
PositionsReader = new DeltaVarIntListReader(folder, FileNamePositions);
Fields = PersistentMetadataFactory.CreateStorage(indexType[2], folder, FileNameFields);
this.name = name;
}
public PersistentIndex(PersistentIndexName name)
{
var folder = name.Folder;
if (!PersistentIndexInfo.Exists(folder, FileNameInfo))
{
throw new InvalidOperationException("No index");
}
HeaderReader = new PersistentIndexInfo(folder, FileNameInfo);
Header = HeaderReader.Read();
if (Header == null)
{
throw new InvalidOperationException("No index");
}
Dictionary = new PersistentDictionary(folder, FileNameDictionary, FileNamePostingLists);
PostingLists = new PostingListReader(folder, FileNamePostingLists);
Fields = PersistentMetadataFactory.CreateStorage(Header.Type.Split(' ')[1], folder, FileNameFields);
this.name = name;
}
public PersistentBuilder(PersistentIndexName name)
{
this.name = name;
}
