/**
* Queries binary content (works only if output stream is specified).
*
* @throws IOException I/O exception
*/
@Test
public void queryBinary() throws IOException {
if (out == null) return;
session.execute("create db " + NAME);
final byte[] tmp = {0, 1, 2, 127, 0, -1, -2, -128};
session.store("X", new ArrayInput(tmp));
final String retr = _DB_RETRIEVE.args(NAME, "X");
// check command
session.execute("xquery " + RAW + retr + ',' + retr);
assertTrue(eq(out.toArray(), concat(tmp, tmp)));
out.reset();
// check query execution
session.query(RAW + retr + ',' + retr).execute();
assertTrue(eq(out.toArray(), concat(tmp, tmp)));
out.reset();
// check iterator
final Query q = session.query(RAW + retr + ',' + retr);
q.next();
assertTrue(eq(out.toArray(), tmp));
out.reset();
q.next();
assertTrue(eq(out.toArray(), tmp));
assertNull(q.next());
}
/**
* Sends an event to the registered sessions.
*
* @param ctx query context
* @return event result
* @throws QueryException query exception
*/
private Item event(final QueryContext ctx) throws QueryException {
final byte[] name = checkStr(expr[0], ctx);
final ArrayOutput ao = new ArrayOutput();
try {
// run serialization
final Serializer ser = Serializer.get(ao, ctx.serProp(true));
final ValueIter ir = ctx.value(expr[1]).iter();
for (Item it; (it = ir.next()) != null; ) it.serialize(ser);
ser.close();
} catch (final SerializerException ex) {
throw ex.getCause(input);
} catch (final IOException ex) {
SERANY.thrw(input, ex);
}
// throw exception if event is unknown
if (!ctx.context.events.notify(ctx.context, name, ao.toArray())) {
NOEVENT.thrw(input, name);
}
return null;
}
/**
* Returns the output as byte array.
*
* @return byte array
*/
public final byte[] toArray() {
return ao.toArray();
}