org.jruby

Class RubyRandom

java.lang.Object

org.jruby.RubyBasicObject

org.jruby.RubyObject

org.jruby.RubyRandom

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Comparable<IRubyObject>, InstanceVariables, InternalVariables, IRubyObject, CoreObjectType

public class RubyRandom
extends RubyObject

Implementation of the Random class.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RubyRandom.RandomType
(package private) static class	RubyRandom.RangeLike

Nested classes/interfaces inherited from class org.jruby.RubyObject

RubyObject.Data

Nested classes/interfaces inherited from class org.jruby.RubyBasicObject

RubyBasicObject.Finalizer

Field Summary

Fields

Modifier and Type	Field and Description
private static int	DEFAULT_SEED_CNT
private RubyRandom.RandomType	random
private static ObjectAllocator	RANDOM_ALLOCATOR

Fields inherited from class org.jruby.RubyObject

FIELD_ALLOCATED_CLASSES, FIELD_ALLOCATORS, IVAR_INSPECTING_OBJECT_ALLOCATOR, OBJECT_ALLOCATOR, OBJECT_VAR0_ALLOCATOR, OBJECT_VAR1_ALLOCATOR, OBJECT_VAR2_ALLOCATOR, OBJECT_VAR3_ALLOCATOR, OBJECT_VAR4_ALLOCATOR, OBJECT_VAR5_ALLOCATOR, OBJECT_VAR6_ALLOCATOR, OBJECT_VAR7_ALLOCATOR, OBJECT_VAR8_ALLOCATOR, OBJECT_VAR9_ALLOCATOR, REIFYING_OBJECT_ALLOCATOR

Fields inherited from class org.jruby.RubyBasicObject

ALL_F, BASICOBJECT_ALLOCATOR, COMPARE_BY_IDENTITY_F, ERR_INSECURE_SET_INST_VAR, FALSE_F, FL_USHIFT, flags, FROZEN_F, metaClass, NEVER, NIL_F, STAMP_OFFSET, TAINTED_F, UNDEF, UNTRUSTED_F, USER0_F, USER1_F, USER2_F, USER3_F, USER4_F, USER5_F, USER6_F, USER7_F, USER8_F, VAR_TABLE_OFFSET, varTable, varTableStamp

Fields inherited from interface org.jruby.runtime.builtin.IRubyObject

NULL_ARRAY

Constructor Summary

Constructors

Constructor and Description
RubyRandom(Ruby runtime, RubyClass rubyClass)

Method Summary

Modifier and Type	Method and Description
IRubyObject	bytes(ThreadContext context, IRubyObject arg)
private static IRubyObject	checkMaxInt(ThreadContext context, IRubyObject vmax)
static RubyClass	createRandomClass(Ruby runtime)
private static double	floatValue(IRubyObject v)
private static RubyRandom.RandomType	getDefaultRand(ThreadContext context)
(package private) static int	getIntBigIntegerBuffer(byte[] src, int loc)
IRubyObject	initialize_copy(IRubyObject orig) rb_obj_init_copy Initializes this object as a copy of the original, that is the parameter to this object.
IRubyObject	initialize(ThreadContext context, IRubyObject[] args)
static IRubyObject	left(ThreadContext context, IRubyObject recv)
IRubyObject	leftObj(ThreadContext context)
private static long	makeMask(long x)
IRubyObject	marshal_dump(ThreadContext context)
IRubyObject	marshal_load(ThreadContext context, IRubyObject arg)
static IRubyObject	newSeed(ThreadContext context, IRubyObject recv)
IRubyObject	op_equal_19(ThreadContext context, IRubyObject obj) rb_obj_equal Will by default use identity equality to compare objects.
static IRubyObject	rand(ThreadContext context, IRubyObject recv, IRubyObject[] args)
private static IRubyObject	randCommon(ThreadContext context, RubyRandom.RandomType random, RubyInteger max)
static IRubyObject	randCommon18(ThreadContext context, IRubyObject recv, IRubyObject[] args)
static IRubyObject	randCommon19(ThreadContext context, IRubyObject recv, IRubyObject[] args)
static RubyFloat	randFloat(ThreadContext context, RubyRandom.RandomType random)
private static IRubyObject	randInt(ThreadContext context, RubyRandom.RandomType random, RubyInteger vmax, boolean restrictive)
private static IRubyObject	randLimitedBignum(ThreadContext context, RubyRandom.RandomType random, RubyBignum limit)
private static IRubyObject	randLimitedFixnum(ThreadContext context, RubyRandom.RandomType random, long limit)
IRubyObject	randObj(ThreadContext context, IRubyObject[] args)
private static IRubyObject	randomRand(ThreadContext context, IRubyObject vmax, RubyRandom.RandomType random)
static double	randomReal(ThreadContext context, IRubyObject obj)
static RubyBignum	randomSeed(Ruby runtime)
private static RubyRandom.RangeLike	rangeValues(ThreadContext context, IRubyObject range)
IRubyObject	seed(ThreadContext context)
(package private) static void	setIntBigIntegerBuffer(byte[] dest, int loc, int value)
private void	setRandomType(RubyRandom.RandomType random)
static IRubyObject	srand(ThreadContext context, IRubyObject recv)
static IRubyObject	srand(ThreadContext context, IRubyObject recv, IRubyObject seed)
static IRubyObject	srandCommon(ThreadContext context, IRubyObject recv)
static IRubyObject	srandCommon(ThreadContext context, IRubyObject recv, IRubyObject newSeed)
static IRubyObject	state(ThreadContext context, IRubyObject recv)
IRubyObject	stateObj(ThreadContext context)

Methods inherited from class org.jruby.RubyObject

attachToObjectSpace, callInit, callInit, callInit, callInit, callInit, callInit, callInit, callInit, callInit, callInit, convertToType, createObjectClass, eqlInternal, equalInternal, equals, getNativeTypeIndex, hashCode, initialize, initialize, inspect, op_eqq, puts, specificEval, toString

Methods inherited from class org.jruby.RubyBasicObject

addFinalizer, anyToString, asJavaString, asString, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callSuper, checkArrayType, checkCallMethod, checkFrozen, checkStringType, checkStringType19, compareTo, convertToArray, convertToFloat, convertToHash, convertToInteger, convertToInteger, convertToInteger, convertToString, copyInstanceVariablesInto, copySpecialInstanceVariables, createBasicObjectClass, dataGetStruct, dataGetStructChecked, dataWrapStruct, display, dup, ensureInstanceVariablesSettable, eql_p, eql, equal_p, equal_p19, evalUnder, extend, fastGetInstanceVariable, fastGetInternalVariable, fastHasInstanceVariable, fastHasInternalVariable, fastSetInstanceVariable, fastSetInternalVariable, freeze, frozen_p, getFFIHandle, getFlag, getInstanceEvalClass, getInstanceVariable, getInstanceVariableList, getInstanceVariableNameList, getInstanceVariables, getInternalVariable, getInternalVariables, getJavaClass, getMetaClass, getNativeHandle, getObjectId, getRuntime, getSingletonClass, getSingletonClassClone, getType, getVariable, getVariableCount, getVariableList, getVariableNameList, hash, hashyInspect, hasInstanceVariable, hasInternalVariable, hasVariables, id_deprecated, id, infectBy, infectBy, infectBy, initialize19, inspect, inspectHashCode, instance_eval, instance_eval, instance_eval, instance_eval, instance_eval19, instance_eval19, instance_eval19, instance_eval19, instance_exec, instance_exec19, instance_of_p, instance_variable_defined_p, instance_variable_get, instance_variable_set, instance_variables, instance_variables19, isBuiltin, isClass, isFalse, isFrozen, isImmediate, isModule, isNil, isTaint, isTrue, isUntrusted, kind_of_p, makeMetaClass, method_missing19, method, method19, methods, methods, methods19, nil_p, op_cmp, op_equal, op_match, op_match19, op_not_equal, op_not_match, op_not, private_methods, private_methods19, protected_methods, protected_methods19, public_methods, public_methods19, rbClone, recacheBuiltinMethods, remove_instance_variable, removeFinalizers, removeInstanceVariable, removeInternalVariable, respond_to_p, respond_to_p, respond_to_p19, respond_to_p19, respondsTo, respondsToMissing, respondsToMissing, send, send, send, send, send, send19, send19, send19, send19, setFFIHandle, setFlag, setFrozen, setInstanceVariable, setInternalVariable, setMetaClass, setNativeHandle, setTaint, setUntrusted, setVariable, singleton_method_added19, singleton_method_removed19, singleton_method_undefined19, singleton_methods, singleton_methods19, specificEval, specificEval, specificEval, specificEval, syncVariables, syncVariables, taint, taint, tainted_p, testFrozen, testFrozen, to_a, to_s, toJava, trust, type_deprecated, type, untaint, untrust, untrusted_p, validateInstanceVariable, variableTableContains, variableTableFastContains, variableTableFastFetch, variableTableFastStore, variableTableFetch, variableTableRemove, variableTableStore, variableTableSync, yieldUnder, yieldUnder

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_SEED_CNT

private static final int DEFAULT_SEED_CNT

See Also:

Constant Field Values

RANDOM_ALLOCATOR

private static ObjectAllocator RANDOM_ALLOCATOR

random

private RubyRandom.RandomType random

Constructor Detail

RubyRandom

RubyRandom(Ruby runtime,
           RubyClass rubyClass)

Method Detail

getIntBigIntegerBuffer

static int getIntBigIntegerBuffer(byte[] src,
                                  int loc)

setIntBigIntegerBuffer

static void setIntBigIntegerBuffer(byte[] dest,
                                   int loc,
                                   int value)

randomSeed

public static RubyBignum randomSeed(Ruby runtime)

createRandomClass

public static RubyClass createRandomClass(Ruby runtime)

initialize

public IRubyObject initialize(ThreadContext context,
                              IRubyObject[] args)

seed

public IRubyObject seed(ThreadContext context)

initialize_copy

public IRubyObject initialize_copy(IRubyObject orig)

Description copied from class: RubyBasicObject

rb_obj_init_copy Initializes this object as a copy of the original, that is the parameter to this object. Will make sure that the argument actually has the same real class as this object. It shouldn't be possible to initialize an object with something totally different.

Overrides:

initialize_copy in class RubyBasicObject

rand

public static IRubyObject rand(ThreadContext context,
                               IRubyObject recv,
                               IRubyObject[] args)

randCommon19

public static IRubyObject randCommon19(ThreadContext context,
                                       IRubyObject recv,
                                       IRubyObject[] args)

randCommon18

public static IRubyObject randCommon18(ThreadContext context,
                                       IRubyObject recv,
                                       IRubyObject[] args)

randCommon

private static IRubyObject randCommon(ThreadContext context,
                                      RubyRandom.RandomType random,
                                      RubyInteger max)

randObj

public IRubyObject randObj(ThreadContext context,
                           IRubyObject[] args)

randInt

private static IRubyObject randInt(ThreadContext context,
                                   RubyRandom.RandomType random,
                                   RubyInteger vmax,
                                   boolean restrictive)

randFloat

public static RubyFloat randFloat(ThreadContext context,
                                  RubyRandom.RandomType random)

randLimitedFixnum

private static IRubyObject randLimitedFixnum(ThreadContext context,
                                             RubyRandom.RandomType random,
                                             long limit)

randLimitedBignum

private static IRubyObject randLimitedBignum(ThreadContext context,
                                             RubyRandom.RandomType random,
                                             RubyBignum limit)

makeMask

private static long makeMask(long x)

getDefaultRand

private static RubyRandom.RandomType getDefaultRand(ThreadContext context)

randomRand

private static IRubyObject randomRand(ThreadContext context,
                                      IRubyObject vmax,
                                      RubyRandom.RandomType random)

floatValue

private static double floatValue(IRubyObject v)

checkMaxInt

private static IRubyObject checkMaxInt(ThreadContext context,
                                       IRubyObject vmax)

rangeValues

private static RubyRandom.RangeLike rangeValues(ThreadContext context,
                                                IRubyObject range)

srand

public static IRubyObject srand(ThreadContext context,
                                IRubyObject recv)

srand

public static IRubyObject srand(ThreadContext context,
                                IRubyObject recv,
                                IRubyObject seed)

srandCommon

public static IRubyObject srandCommon(ThreadContext context,
                                      IRubyObject recv)

srandCommon

public static IRubyObject srandCommon(ThreadContext context,
                                      IRubyObject recv,
                                      IRubyObject newSeed)

op_equal_19

public IRubyObject op_equal_19(ThreadContext context,
                               IRubyObject obj)

Description copied from class: RubyBasicObject

rb_obj_equal Will by default use identity equality to compare objects. This follows the Ruby semantics. The name of this method doesn't follow the convention because hierarchy problems

Overrides:

op_equal_19 in class RubyBasicObject

stateObj

public IRubyObject stateObj(ThreadContext context)

leftObj

public IRubyObject leftObj(ThreadContext context)

state

public static IRubyObject state(ThreadContext context,
                                IRubyObject recv)

left

public static IRubyObject left(ThreadContext context,
                               IRubyObject recv)

marshal_dump

public IRubyObject marshal_dump(ThreadContext context)

marshal_load

public IRubyObject marshal_load(ThreadContext context,
                                IRubyObject arg)

bytes

public IRubyObject bytes(ThreadContext context,
                         IRubyObject arg)

randomReal

public static double randomReal(ThreadContext context,
                                IRubyObject obj)

newSeed

public static IRubyObject newSeed(ThreadContext context,
                                  IRubyObject recv)

setRandomType

private void setRandomType(RubyRandom.RandomType random)