@Override
public void close() throws IOException {
if (_refcount.decrementAndGet() == 0) {
super.close();
PrivilegedAccessor.unsafeSetField(this, PagedStringChunk.class, "_cache", null);
_paged.close();
this._paged = null;
}
}
@Override
protected void enlarge(final int pages) {
++enlarged;
if (enlarged >= paging_threshold) {
try {
pagedOut();
} catch (IOException e) {
throw new IllegalStateException("page out failed", e);
}
paging_threshold = Math.max(2, (int) (paging_threshold * 0.8));
enlarged = 0;
}
super.enlarge(pages);
}