Package org.h2.bnf

Examples of org.h2.bnf.Bnf


                    sql = sql.substring(1);
                }
                if (sql.trim().length() > 0 && Character.isLowerCase(sql.trim().charAt(0))) {
                    lowercase = true;
                }
                Bnf bnf = session.getBnf();
                if (bnf == null) {
                    return "autoCompleteList.jsp";
                }
                HashMap<String, String> map = bnf.getNextTokenList(sql);
                String space = "";
                if (sql.length() > 0) {
                    char last = sql.charAt(sql.length() - 1);
                    if (!Character.isSpaceChar(last) && (last != '.' && last >= ' ' && last != '\'' && last != '"')) {
                        space = " ";
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                    sql = sql.substring(1);
                }
                if (sql.trim().length() > 0 && Character.isLowerCase(sql.trim().charAt(0))) {
                    lowercase = true;
                }
                Bnf bnf = session.getBnf();
                if (bnf == null) {
                    return "autoCompleteList.jsp";
                }
                HashMap<String, String> map = bnf.getNextTokenList(sql);
                String space = "";
                if (sql.length() > 0) {
                    char last = sql.charAt(sql.length() - 1);
                    if (!Character.isSpaceChar(last) && (last != '.' && last >= ' ' && last != '\'' && last != '"')) {
                        space = " ";
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    /**
     * Load the SQL grammar BNF.
     */
    void loadBnf() {
        try {
            Bnf newBnf = Bnf.getInstance(null);
            columnRule = new DbContextRule(contents, DbContextRule.COLUMN);
            newAliasRule = new DbContextRule(contents, DbContextRule.NEW_TABLE_ALIAS);
            aliasRule = new DbContextRule(contents, DbContextRule.TABLE_ALIAS);
            tableRule = new DbContextRule(contents, DbContextRule.TABLE);
            schemaRule = new DbContextRule(contents, DbContextRule.SCHEMA);
            columnAliasRule = new DbContextRule(contents, DbContextRule.COLUMN_ALIAS);
            newBnf.updateTopic("column_name", columnRule);
            newBnf.updateTopic("new_table_alias", newAliasRule);
            newBnf.updateTopic("table_alias", aliasRule);
            newBnf.updateTopic("column_alias", columnAliasRule);
            newBnf.updateTopic("table_name", tableRule);
            newBnf.updateTopic("schema_name", schemaRule);
            newBnf.linkStatements();
            bnf = newBnf;
        } catch (Exception e) {
            // ok we don't have the bnf
            server.traceError(e);
        }
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                    sql = sql.substring(1);
                }
                if (sql.trim().length() > 0 && Character.isLowerCase(sql.trim().charAt(0))) {
                    lowercase = true;
                }
                Bnf bnf = session.getBnf();
                if (bnf == null) {
                    return "autoCompleteList.jsp";
                }
                HashMap<String, String> map = bnf.getNextTokenList(sql);
                String space = "";
                if (sql.length() > 0) {
                    char last = sql.charAt(sql.length() - 1);
                    if (!Character.isWhitespace(last) && (last != '.' && last >= ' ' && last != '\'' && last != '"')) {
                        space = " ";
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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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