org.jruby.Ruby.getRandomClass()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.jruby.Ruby.getRandomClass方法的一些代码示例，展示了Ruby.getRandomClass的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Ruby.getRandomClass方法的具体详情如下：
包路径：org.jruby.Ruby
类名称：Ruby
方法名：getRandomClass

Ruby.getRandomClass介绍

暂无

代码示例

代码示例来源：origin: org.jruby/jruby-core

private static RandomType tryGetRandomType(ThreadContext context, IRubyObject obj) {
  if (obj.equals(context.runtime.getRandomClass())) return getDefaultRand(context);
  if (obj instanceof RubyRandom) return ((RubyRandom) obj).random;
  return null;
}

代码示例来源：origin: org.jruby/jruby-complete

private static RandomType tryGetRandomType(ThreadContext context, IRubyObject obj) {
  if (obj.equals(context.runtime.getRandomClass())) return getDefaultRand(context);
  if (obj instanceof RubyRandom) return ((RubyRandom) obj).random;
  return null;
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

public static double randomReal(ThreadContext context, IRubyObject obj) {
  RandomType random = null;
  if (obj.equals(context.runtime.getRandomClass())) {
    random = getDefaultRand(context);
  }
  if (obj instanceof RubyRandom) {
    random = ((RubyRandom) obj).random;
  }
  if (random != null) {
    return random.genrandReal();
  }
  double d = RubyNumeric.num2dbl(Helpers.invoke(context, obj, "rand"));
  if (d < 0.0 || d >= 1.0) {
    throw context.runtime.newRangeError("random number too big: " + d);
  }
  return d;
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

public static double randomReal(ThreadContext context, IRubyObject obj) {
  RandomType random = null;
  if (obj.equals(context.runtime.getRandomClass())) {
    random = getDefaultRand(context);
  }
  if (obj instanceof RubyRandom) {
    random = ((RubyRandom) obj).random;
  }
  if (random != null) {
    return random.genrandReal();
  }
  double d = RubyNumeric.num2dbl(Helpers.invoke(context, obj, "rand"));
  if (d < 0.0 || d >= 1.0) {
    throw context.runtime.newRangeError("random number too big: " + d);
  }
  return d;
}

代码示例来源：origin: org.jruby/jruby-complete

@SuppressWarnings("deprecation")
public static IRubyObject srandCommon(ThreadContext context, IRubyObject recv, IRubyObject newSeed) {
  RandomType defaultRand = getDefaultRand(context);
  IRubyObject previousSeed = defaultRand.getSeed();
  defaultRand = new RandomType(newSeed);
  context.runtime.setDefaultRand(defaultRand);
  ((RubyRandom) (context.runtime.getRandomClass()).getConstant("DEFAULT")).setRandomType(defaultRand);
  return previousSeed;
}

代码示例来源：origin: org.jruby/jruby-core

@SuppressWarnings("deprecation")
public static IRubyObject srandCommon(ThreadContext context, IRubyObject recv, IRubyObject newSeed) {
  RandomType defaultRand = getDefaultRand(context);
  IRubyObject previousSeed = defaultRand.getSeed();
  defaultRand = new RandomType(newSeed);
  context.runtime.setDefaultRand(defaultRand);
  ((RubyRandom) (context.runtime.getRandomClass()).getConstant("DEFAULT")).setRandomType(defaultRand);
  return previousSeed;
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

public static IRubyObject srandCommon(ThreadContext context, IRubyObject recv,
    IRubyObject newSeed) {
  RandomType defaultRand = getDefaultRand(context);
  IRubyObject previousSeed = defaultRand.getSeed();
  defaultRand = new RandomType(newSeed);
  context.runtime.setDefaultRand(defaultRand);
  if (context.runtime.is1_9()) {
    ((RubyRandom) (context.runtime.getRandomClass())
        .getConstant("DEFAULT")).setRandomType(defaultRand);
  }
  return previousSeed;
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

public static IRubyObject srandCommon(ThreadContext context, IRubyObject recv,
    IRubyObject newSeed) {
  RandomType defaultRand = getDefaultRand(context);
  IRubyObject previousSeed = defaultRand.getSeed();
  defaultRand = new RandomType(newSeed);
  context.runtime.setDefaultRand(defaultRand);
  if (context.runtime.is1_9()) {
    ((RubyRandom) (context.runtime.getRandomClass())
        .getConstant("DEFAULT")).setRandomType(defaultRand);
  }
  return previousSeed;
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

@JRubyMethod(name = "shuffle!", optional = 1, compat = RUBY1_9)
public IRubyObject shuffle_bang(ThreadContext context, IRubyObject[] args) {
  modify();
  IRubyObject randgen = context.runtime.getRandomClass();
  if (args.length > 0) {
    IRubyObject hash = TypeConverter.checkHashType(context.runtime, args[args.length - 1]);
    if (!hash.isNil()) {
      IRubyObject argRandgen = ((RubyHash) hash).fastARef(context.runtime.newSymbol("random"));
      if (argRandgen != null) {
        randgen = argRandgen;
      }
    }
  }
  int i = realLength;
  try {
    while (i > 0) {
      int r = (int) (RubyRandom.randomReal(context, randgen) * i);
      IRubyObject tmp = eltOk(--i);
      values[begin + i] = eltOk(r);
      values[begin + r] = tmp;
    }
  } catch (ArrayIndexOutOfBoundsException e) {
    concurrentModification();
  }
  return this;
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

@JRubyMethod(name = "shuffle!", optional = 1, compat = RUBY1_9)
public IRubyObject shuffle_bang(ThreadContext context, IRubyObject[] args) {
  modify();
  IRubyObject randgen = context.runtime.getRandomClass();
  if (args.length > 0) {
    IRubyObject hash = TypeConverter.checkHashType(context.runtime, args[args.length - 1]);
    if (!hash.isNil()) {
      IRubyObject argRandgen = ((RubyHash) hash).fastARef(context.runtime.newSymbol("random"));
      if (argRandgen != null) {
        randgen = argRandgen;
      }
    }
  }
  int i = realLength;
  try {
    while (i > 0) {
      int r = (int) (RubyRandom.randomReal(context, randgen) * i);
      IRubyObject tmp = eltOk(--i);
      values[begin + i] = eltOk(r);
      values[begin + r] = tmp;
    }
  } catch (ArrayIndexOutOfBoundsException e) {
    concurrentModification();
  }
  return this;
}

代码示例来源：origin: org.jruby/jruby-core

@JRubyMethod(name = "shuffle!", optional = 1)
public IRubyObject shuffle_bang(ThreadContext context, IRubyObject[] args) {
  modify();
  IRubyObject randgen = context.runtime.getRandomClass();
  if (args.length > 0) {
    IRubyObject hash = TypeConverter.checkHashType(context.runtime, args[args.length - 1]);
    if (!hash.isNil()) {
      IRubyObject[] rets = ArgsUtil.extractKeywordArgs(context, (RubyHash) hash, "random");
      if (rets[0] != UNDEF) randgen = rets[0];
    }
  }
  int i = realLength;
  int len = i;
  try {
    while (i > 0) {
      int r = (int) RubyRandom.randomLongLimited(context, randgen, i - 1);
      if (len != realLength) { // || ptr != RARRAY_CONST_PTR(ary)
        throw context.runtime.newRuntimeError("modified during shuffle");
      }
      T tmp = eltOk(--i);
      eltSetOk(i, eltOk(r));
      eltSetOk(r, tmp);
    }
  } catch (ArrayIndexOutOfBoundsException ex) {
    throw concurrentModification(context.runtime, ex);
  }
  return this;
}

代码示例来源：origin: org.jruby/jruby-complete

@JRubyMethod(name = "shuffle!", optional = 1)
public IRubyObject shuffle_bang(ThreadContext context, IRubyObject[] args) {
  modify();
  IRubyObject randgen = context.runtime.getRandomClass();
  if (args.length > 0) {
    IRubyObject hash = TypeConverter.checkHashType(context.runtime, args[args.length - 1]);
    if (!hash.isNil()) {
      IRubyObject[] rets = ArgsUtil.extractKeywordArgs(context, (RubyHash) hash, "random");
      if (rets[0] != UNDEF) randgen = rets[0];
    }
  }
  int i = realLength;
  int len = i;
  try {
    while (i > 0) {
      int r = (int) RubyRandom.randomLongLimited(context, randgen, i - 1);
      if (len != realLength) { // || ptr != RARRAY_CONST_PTR(ary)
        throw context.runtime.newRuntimeError("modified during shuffle");
      }
      T tmp = eltOk(--i);
      eltSetOk(i, eltOk(r));
      eltSetOk(r, tmp);
    }
  } catch (ArrayIndexOutOfBoundsException ex) {
    throw concurrentModification(context.runtime, ex);
  }
  return this;
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

@JRubyMethod(name = "sample", optional = 2, compat = RUBY1_9)
public IRubyObject sample(ThreadContext context, IRubyObject[] args) {
  try {
    IRubyObject randgen = context.runtime.getRandomClass();
    if (args.length == 0) {
      if (realLength == 0)

代码示例来源：origin: org.jruby/jruby-complete

unpack();
try {
  IRubyObject randgen = context.runtime.getRandomClass();

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

@JRubyMethod(name = "sample", optional = 2, compat = RUBY1_9)
public IRubyObject sample(ThreadContext context, IRubyObject[] args) {
  try {
    IRubyObject randgen = context.runtime.getRandomClass();
    if (args.length == 0) {
      if (realLength == 0)

代码示例来源：origin: org.jruby/jruby-core

unpack();
try {
  IRubyObject randgen = context.runtime.getRandomClass();

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