/**
* Runs the command without permission, data and concurrency checks.
*
* @param ctx database context
* @param os output stream
* @return result of check
*/
public boolean run(final Context ctx, final OutputStream os) {
perf = new Performance();
context = ctx;
prop = ctx.prop;
mprop = ctx.mprop;
out = PrintOutput.get(os);
try {
return run();
} catch (final ProgressException ex) {
// process was interrupted by the user or server
abort();
return error(INTERRUPTED);
} catch (final Throwable ex) {
// unexpected error
Performance.gc(2);
abort();
if (ex instanceof OutOfMemoryError) {
Util.debug(ex);
return error(OUT_OF_MEM + (createWrite() ? H_OUT_OF_MEM : ""));
}
return error(Util.bug(ex) + NL + info.toString());
} finally {
// flushes the output
try {
if (out != null) out.flush();
} catch (final IOException ignored) {
}
}
}
/**
* Compares results.
*
* @param expected expected result
* @param returned returned result
* @throws Exception exception
*/
private static void compare(final ItemList expected, final ItemList returned) throws Exception {
// Compare response with expected result
assertEquals("Different number of results", expected.size(), returned.size());
final long es = expected.size();
for (int e = 0; e < es; e++) {
final Item exp = expected.get(e), ret = returned.get(e);
if (!new DeepEqual().equal(exp, ret)) {
final TokenBuilder tb = new TokenBuilder("Result ").addLong(e).add(" differs:\nReturned: ");
tb.addExt(ret.serialize()).add("\nExpected: ").addExt(exp.serialize());
fail(tb.toString());
}
}
}
/**
* Returns command information.
*
* @return info string
*/
public final String info() {
return info.toString();
}