Examples of org.lealone.message.TraceSystem

org.lealone.message.TraceSystem
The trace mechanism is the logging facility of this database. There is usually one trace system per database. It is called 'trace' because the term 'log' is already used in the database domain and means 'transaction log'. It is possible to write after close was called, but that means for each write the file will be opened and closed again (which is slower).

        if (trace != null && !closed) {
            return trace;
        }
        String traceModuleName = Trace.JDBC + "[" + id + "]";
        if (closed) {
            return new TraceSystem(null).getTrace(traceModuleName);
        }
        trace = database.getTrace(traceModuleName);
        return trace;
    }

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            preOpen(traceLevelFile, traceLevelSystemOut);
        } else {
            if (autoServerMode) {
                throw DbException.getUnsupportedException("autoServerMode && inMemory");
            }
            traceSystem = new TraceSystem(null);
            trace = traceSystem.getTrace(Trace.DATABASE);
        }
        systemUser = new User(this, 0, SYSTEM_USER_NAME, true);
        mainSchema = new Schema(this, 0, Constants.SCHEMA_MAIN, systemUser, true);
        infoSchema = new Schema(this, -1, "INFORMATION_SCHEMA", systemUser, true);

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     * INTERNAL
     */
    public static TraceSystem getTraceSystem() {
        synchronized (JdbcDataSourceFactory.class) {
            if (cachedTraceSystem == null) {
                cachedTraceSystem = new TraceSystem(SysProperties.CLIENT_TRACE_DIRECTORY + "h2datasource"
                        + Constants.SUFFIX_TRACE_FILE);
                cachedTraceSystem.setLevelFile(SysProperties.DATASOURCE_TRACE_LEVEL);
            }
            return cachedTraceSystem;
        }

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        if (idx < 0) {
            throw ci.getFormatException();
        }
        databaseName = name.substring(idx + 1);
        String server = name.substring(0, idx);
        traceSystem = new TraceSystem(null);
        String traceLevelFile = ci.getProperty(SetTypes.TRACE_LEVEL_FILE, null);
        if (traceLevelFile != null) {
            int level = Integer.parseInt(traceLevelFile);
            String prefix = getFilePrefix(SysProperties.CLIENT_TRACE_DIRECTORY);
            try {

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