Class IndexedFidReader

    • Method Detail

      • getCount

        public long getCount()
        Returns the number of Fid Entries in the file.
        Returns:
        Returns the number of Fid Entries in the file.
      • getRemoves

        public int getRemoves()
        Returns the number of features that have been removed since the fid index was regenerated.
        Returns:
        Returns the number of features that have been removed since the fid index was regenerated.
      • findFid

        public long findFid​(String fid)
                     throws IOException
        Returns the offset to the location in the SHX file that the fid identifies. This search take logN time.
        Parameters:
        fid - the fid to find.
        Returns:
        Returns the record number of the record in the SHX file that the fid identifies. Will return -1 if the fid was not found.
        Throws:
        IOException
      • hasNext

        public boolean hasNext()
                        throws IOException
        Description copied from interface: FIDReader
        Returns whether another fid exists for this reader.
        Specified by:
        hasNext in interface FIDReader
        Returns:
        true if more content exists
        Throws:
        IOException
      • currentSHXIndex

        public int currentSHXIndex()
        Returns the record number of the feature in the shx or shp that is identified by the the last fid returned by next().
        Returns:
        Returns the record number of the feature in the shx or shp that is identified by the the last fid returned by next().
      • getCurrentFIDIndex

        public long getCurrentFIDIndex()
        Returns the index that is appended to the typename to construct the fid.
        Returns:
        the index that is appended to the typename to construct the fid.
      • id

        public String id()
        Description copied from interface: FileReader
        An id for the reader. This is only used for debugging.
        Specified by:
        id in interface FileReader
        Returns:
        id for the reader.