protected void destroy(Throwable error) {
if (error != null) {
Debug.out(error);
}
synchronized (lock) {
if (context_destroyed) {
return;
}
context_destroyed = true;
if (channels != null) {
List<channel> channels_copy = new ArrayList<channel>(channels);
for (channel c : channels_copy) {
c.destroy();
}
}
if (raf != null) {
try {
raf.close();
} catch (Throwable e) {
}
raf = null;
}
if (stream_details != null) {
try {
stream_details.getStream().close();
} catch (Throwable e) {
}
stream_details = null;
}
if (error != null) {
save_to.delete();
}
}
DiskManagerFileInfoStream.this.destroyed(this);
}
protected context() throws Exception {
if (save_to.exists()) {
raf = new RandomAccessFile(save_to, "r");
stream_got_eof = true;
} else {
final File temp_file = new File(save_to.getAbsolutePath() + "._tmp_");
raf = new RandomAccessFile(temp_file, "rw");
stream_details = stream_factory.getStream(this);
final InputStream stream = stream_details.getStream();
new AEThread2("DMS:reader", true) {
public void run() {
final int BUFF_SIZE = 128 * 1024;
byte[] buffer = new byte[BUFF_SIZE];
try {
while (true) {
int len = stream.read(buffer);
if (len <= 0) {
if (stream_details.hasFailed()) {
throw (new IOException("Stream failed"));
}
synchronized (lock) {
stream_got_eof = true;
}
break;
}
synchronized (lock) {
raf.seek(raf.length());
raf.write(buffer, 0, len);
for (AESemaphore waiter : waiters) {
waiter.release();
}
}
}
} catch (Throwable e) {
context.this.destroy(e);
} finally {
try {
stream.close();
} catch (Throwable e) {
}
Throwable failed = null;
synchronized (lock) {
stream_details = null;
if (stream_got_eof) {
try {
raf.close();
save_to.delete();
temp_file.renameTo(save_to);
raf = new RandomAccessFile(save_to, "r");
} catch (Throwable e) {
failed = e;
}
}
}
if (failed != null) {
context.this.destroy(failed);
}
}
}
}.start();
}
}