Examples with Streamlet suite.streamlet.Streamlet used on opensource projects

Example 16 with Streamlet

use of suite.streamlet.Streamlet in project suite by stupidsing.

the class Pipe method shell.

public static Streamlet<String> shell(String sh) {
    String[] command0 = null;
    for (String s : List.of("/bin/sh", "C:\\cygwin\\bin\\sh.exe", "C:\\cygwin64\\bin\\sh.exe")) if (Files.exists(Paths.get(s)))
        command0 = new String[] { s };
    if (command0 != null)
        LogUtil.info("START " + sh);
    else
        Fail.t("cannot find shell executable");
    String[] command1 = command0;
    return new Streamlet<>(() -> Rethrow.ex(() -> {
        InputStream bis = new ByteArrayInputStream(sh.getBytes(Constants.charset));
        Process process = Rethrow.ex(() -> Runtime.getRuntime().exec(command1));
        InputStream pis = process.getInputStream();
        InputStream pes = process.getErrorStream();
        OutputStream pos = process.getOutputStream();
        Thread[] threads = new Thread[] { // 
        Copy.streamByThread(pes, System.err), Copy.streamByThread(bis, pos) };
        for (Thread thread : threads) thread.start();
        return Read.lines(pis).closeAtEnd(() -> {
            try {
                int code = process.waitFor();
                if (code == 0)
                    for (Thread thread : threads) thread.join();
                else
                    Fail.t("code = " + code);
            } catch (InterruptedException ex) {
                Fail.t(ex);
            }
            process.destroy();
            LogUtil.info("END__ " + sh);
        });
    }));
}

Example 17 with Streamlet

use of suite.streamlet.Streamlet in project suite by stupidsing.

the class DailyMain method sellForEarn.

// some orders caused by stupid bugs. need to sell those at suitable times.
private Result sellForEarn(String tag) {
    Streamlet<Trade> history = cfg.queryHistory().filter(r -> String_.equals(r.strategy, tag));
    Account account = Account.ofPortfolio(history);
    Map<String, Float> faceValueBySymbol = // 
    history.groupBy(record -> record.symbol, // 
    rs -> (float) Read.from(rs).toDouble(Obj_Dbl.sum(Trade::amount))).toMap();
    List<Trade> trades = // 
    account.portfolio().map((symbol, sell) -> {
        double targetPrice = (1d + 3 * Trade_.riskFreeInterestRate) * faceValueBySymbol.get(symbol) / sell;
        return Trade.of(-sell, symbol, (float) targetPrice);
    }).toList();
    return new Result(tag, trades);
}