Example usage for java.lang ProcessBuilder hashCode

Introduction

In this page you can find the example usage for java.lang ProcessBuilder hashCode.

Prototype

@HotSpotIntrinsicCandidate
public native int hashCode();

Source Link

Document

Returns a hash code value for the object.

Usage

From source file:org.apache.accumulo.miniclusterImpl.MiniAccumuloClusterImpl.java

@SuppressFBWarnings(value = "COMMAND_INJECTION", justification = "mini runs in the same security context as user providing the args")
private ProcessInfo _exec(Class<?> clazz, List<String> extraJvmOpts, String... args) throws IOException {
    String javaHome = System.getProperty("java.home");
    String javaBin = javaHome + File.separator + "bin" + File.separator + "java";
    String classpath = getClasspath();

    String className = clazz.getName();

    ArrayList<String> argList = new ArrayList<>();
    argList.addAll(Arrays.asList(javaBin, "-Dproc=" + clazz.getSimpleName(), "-cp", classpath));
    argList.addAll(extraJvmOpts);//from   www  . j  a v  a2s . c  om
    for (Entry<String, String> sysProp : config.getSystemProperties().entrySet()) {
        argList.add(String.format("-D%s=%s", sysProp.getKey(), sysProp.getValue()));
    }
    // @formatter:off
    argList.addAll(Arrays.asList("-XX:+UseConcMarkSweepGC", "-XX:CMSInitiatingOccupancyFraction=75",
            "-Dapple.awt.UIElement=true", "-Djava.net.preferIPv4Stack=true", "-XX:+PerfDisableSharedMem",
            "-XX:+AlwaysPreTouch", Main.class.getName(), className));
    // @formatter:on
    argList.addAll(Arrays.asList(args));

    ProcessBuilder builder = new ProcessBuilder(argList);

    builder.environment().put("ACCUMULO_HOME", config.getDir().getAbsolutePath());
    builder.environment().put("ACCUMULO_LOG_DIR", config.getLogDir().getAbsolutePath());
    builder.environment().put("ACCUMULO_CLIENT_CONF_PATH", config.getClientConfFile().getAbsolutePath());
    String ldLibraryPath = Joiner.on(File.pathSeparator).join(config.getNativeLibPaths());
    builder.environment().put("LD_LIBRARY_PATH", ldLibraryPath);
    builder.environment().put("DYLD_LIBRARY_PATH", ldLibraryPath);

    // if we're running under accumulo.start, we forward these env vars
    String env = System.getenv("HADOOP_HOME");
    if (env != null)
        builder.environment().put("HADOOP_HOME", env);
    env = System.getenv("ZOOKEEPER_HOME");
    if (env != null)
        builder.environment().put("ZOOKEEPER_HOME", env);
    builder.environment().put("ACCUMULO_CONF_DIR", config.getConfDir().getAbsolutePath());
    if (config.getHadoopConfDir() != null)
        builder.environment().put("HADOOP_CONF_DIR", config.getHadoopConfDir().getAbsolutePath());

    log.debug("Starting MiniAccumuloCluster process with class: " + clazz.getSimpleName() + "\n, jvmOpts: "
            + extraJvmOpts + "\n, classpath: " + classpath + "\n, args: " + argList + "\n, environment: "
            + builder.environment());

    int hashcode = builder.hashCode();

    File stdOut = new File(config.getLogDir(), clazz.getSimpleName() + "_" + hashcode + ".out");
    File stdErr = new File(config.getLogDir(), clazz.getSimpleName() + "_" + hashcode + ".err");

    Process process = builder.redirectError(stdErr).redirectOutput(stdOut).start();

    cleanup.add(process);

    return new ProcessInfo(process, stdOut);
}

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