Package org.h2.result

Examples of org.h2.result.ResultRemote

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        testReadOnly();
        testAdapter();
    }

    private static void testAdapter() {
        TraceSystem ts = new TraceSystem(null);
        ts.setLevelFile(TraceSystem.ADAPTER);
        ts.getTrace("test").info("test");
        ts.close();
    }
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        ts.getTrace("test").info("test");
        ts.close();
    }

    private void testTraceDebug() {
        TraceSystem ts = new TraceSystem(null);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ts.setSysOut(new PrintStream(out));
        ts.setLevelSystemOut(TraceSystem.DEBUG);
        ts.getTrace("test").debug(new Exception("error"), "test");
        ts.close();
        String outString = new String(out.toByteArray());
        assertContains(outString, "error");
        assertContains(outString, "Exception");
        assertContains(outString, "test");
    }
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    private void testReadOnly() throws Exception {
        String readOnlyFile = getBaseDir() + "/readOnly.log";
        IOUtils.delete(readOnlyFile);
        IOUtils.openFileOutputStream(readOnlyFile, false).close();
        FileSystem.getInstance(getBaseDir()).setReadOnly(readOnlyFile);
        TraceSystem ts = new TraceSystem(readOnlyFile);
        ts.setLevelFile(TraceSystem.INFO);
        ts.getTrace("test").info("test");
        IOUtils.delete(readOnlyFile);
        ts.close();
    }
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    private void testFutureModificationDate() throws Exception {
        File f = new File(getFile());
        f.delete();
        f.createNewFile();
        f.setLastModified(System.currentTimeMillis() + 10000);
        FileLock lock = new FileLock(new TraceSystem(null), getFile(), Constants.LOCK_SLEEP);
        lock.lock(FileLock.LOCK_FILE);
        lock.unlock();
    }
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        lock.lock(FileLock.LOCK_FILE);
        lock.unlock();
    }

    private void testSimple() {
        FileLock lock1 = new FileLock(new TraceSystem(null), getFile(), Constants.LOCK_SLEEP);
        FileLock lock2 = new FileLock(new TraceSystem(null), getFile(), Constants.LOCK_SLEEP);
        lock1.lock(FileLock.LOCK_FILE);
        createClassProxy(FileLock.class);
        assertThrows(ErrorCode.DATABASE_ALREADY_OPEN_1, lock2).
                lock(FileLock.LOCK_FILE);
        lock1.unlock();
        lock2 = new FileLock(new TraceSystem(null), getFile(), Constants.LOCK_SLEEP);
        lock2.lock(FileLock.LOCK_FILE);
        lock2.unlock();
    }
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    }

    public void run() {
        FileLock lock = null;
        while (!stop) {
            lock = new FileLock(new TraceSystem(null), getFile(), 100);
            try {
                lock.lock(allowSockets ? FileLock.LOCK_SOCKET : FileLock.LOCK_FILE);
                base.trace(lock + " locked");
                locks++;
                if (locks > 1) {
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        synchronized (session) {
            if (!isQuery) {
                return null;
            }
            int objectId = session.getNextId();
            ResultRemote result = null;
            for (int i = 0, count = 0; i < transferList.size(); i++) {
                prepareIfRequired();
                Transfer transfer = transferList.get(i);
                try {
                    session.traceOperation("COMMAND_GET_META_DATA", id);
                    transfer.writeInt(SessionRemote.COMMAND_GET_META_DATA).writeInt(id).writeInt(objectId);
                    session.done(transfer);
                    int columnCount = transfer.readInt();
                    result = new ResultRemote(session, transfer, objectId, columnCount, Integer.MAX_VALUE);
                    break;
                } catch (IOException e) {
                    session.removeServer(e, i--, ++count);
                }
            }
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    public ResultInterface executeQuery(int maxRows, boolean scrollable) {
        checkParameters();
        synchronized (session) {
            int objectId = session.getNextId();
            ResultRemote result = null;
            for (int i = 0, count = 0; i < transferList.size(); i++) {
                prepareIfRequired();
                Transfer transfer = transferList.get(i);
                try {
                    session.traceOperation("COMMAND_EXECUTE_QUERY", id);
                    transfer.writeInt(SessionRemote.COMMAND_EXECUTE_QUERY).writeInt(id).writeInt(objectId).writeInt(
                            maxRows);
                    int fetch;
                    if (session.isClustered() || scrollable) {
                        fetch = Integer.MAX_VALUE;
                    } else {
                        fetch = fetchSize;
                    }
                    transfer.writeInt(fetch);
                    sendParameters(transfer);
                    session.done(transfer);
                    int columnCount = transfer.readInt();
                    if (result != null) {
                        result.close();
                        result = null;
                    }
                    result = new ResultRemote(session, transfer, objectId, columnCount, fetch);
                    if (readonly) {
                        break;
                    }
                } catch (IOException e) {
                    session.removeServer(e, i--, ++count);
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        synchronized (session) {
            if (!isQuery) {
                return null;
            }
            int objectId = session.getNextId();
            ResultRemote result = null;
            for (int i = 0, count = 0; i < transferList.size(); i++) {
                prepareIfRequired();
                Transfer transfer = transferList.get(i);
                try {
                    session.traceOperation("COMMAND_GET_META_DATA", id);
                    transfer.writeInt(SessionRemote.COMMAND_GET_META_DATA).writeInt(id).writeInt(objectId);
                    session.done(transfer);
                    int columnCount = transfer.readInt();
                    result = new ResultRemote(session, transfer, objectId, columnCount, Integer.MAX_VALUE);
                    break;
                } catch (IOException e) {
                    session.removeServer(e, i--, ++count);
                }
            }
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    public ResultInterface executeQuery(int maxRows, boolean scrollable) {
        checkParameters();
        synchronized (session) {
            int objectId = session.getNextId();
            ResultRemote result = null;
            for (int i = 0, count = 0; i < transferList.size(); i++) {
                prepareIfRequired();
                Transfer transfer = transferList.get(i);
                try {
                    session.traceOperation("COMMAND_EXECUTE_QUERY", id);
                    transfer.writeInt(SessionRemote.COMMAND_EXECUTE_QUERY).writeInt(id).writeInt(objectId).writeInt(
                            maxRows);
                    int fetch;
                    if (session.isClustered() || scrollable) {
                        fetch = Integer.MAX_VALUE;
                    } else {
                        fetch = fetchSize;
                    }
                    transfer.writeInt(fetch);
                    sendParameters(transfer);
                    session.done(transfer);
                    int columnCount = transfer.readInt();
                    if (result != null) {
                        result.close();
                        result = null;
                    }
                    result = new ResultRemote(session, transfer, objectId, columnCount, fetch);
                    if (readonly) {
                        break;
                    }
                } catch (IOException e) {
                    session.removeServer(e, i--, ++count);
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