/**
* Creates a the stream manager
*
* @param dir Directory containing sequence data
* @param numbersequences Number of sequences in directory
* @param indexFile Name of file containing index
* @param dataPrefix Filename prefix for data
* @param pointerPrefix Filename prefix for pointers
* @param dataIndexVersion the version with which to interpret the data
* @param opener file opener implementation
* @throws IOException If an I/O Error occurs
*/
AbstractStreamManager(
final File dir,
final long numbersequences,
final String indexFile,
final String dataPrefix,
final String pointerPrefix,
long dataIndexVersion,
DataFileOpener opener)
throws IOException {
mDir = dir;
mNumberSequences = numbersequences;
mIndexFile = indexFile;
mDataFilePrefix = dataPrefix;
loadIndex(dataIndexVersion);
mData = new DataRollingFile(mDir, dataPrefix, mIndex.numberEntries(), mIndex, opener);
mPointers = new RollingFile(mDir, pointerPrefix, mIndex.numberEntries());
}
