@Override
protected void loadArrayFileData() throws IOException {
long maxScn = _arrayFile.getLwmScn();
try {
_internalArray = new MemoryLongArray(_subArrayBits);
_arrayFile.load(_internalArray);
expandCapacity(_internalArray.length() - 1);
_internalArray.setArrayExpandListener(this);
} catch (Exception e) {
throw (e instanceof IOException)
? (IOException) e
: new IOException("Failed to load array file", e);
}
_entryManager.setWaterMarks(maxScn, maxScn);
}
@Override
public void expandCapacity(int index) throws Exception {
if (index < _length) return;
long capacity = ((index >> _subArrayBits) + 1L) * _subArraySize;
int newLength = (capacity < Integer.MAX_VALUE) ? (int) capacity : Integer.MAX_VALUE;
// Reset _length
_length = newLength;
// Expand internal array in memory
if (_internalArray.length() < newLength) {
_internalArray.expandCapacity(index);
}
// Expand array file on disk
_arrayFile.setArrayLength(newLength, null /* do not rename */);
// Add to logging
_log.info("Expanded: _length=" + _length);
}