IRubyObject (JRuby Core 9.2.8.0 API)

All Known Subinterfaces:

JavaProxyMethod

All Known Implementing Classes:

AbstractInvoker, AbstractMemory, AbstractRubyMethod, Addrinfo, ArrayJavaProxy, ArrayJavaProxyCreator, AutoPointer, Buffer, CallbackInfo, ConcreteJavaProxy, ConditionVariable, DynamicLibrary, DynamicLibrary.Symbol, Enum, Enums, FileDescriptorIO, Function, Ifaddr, IncludedModule, IncludedModuleWrapper, InterfaceJavaProxy, JavaAccessibleObject, JavaArray, JavaCallable, JavaClass, JavaConstructor, JavaField, JavaMethod, JavaObject, JavaPackage, JavaProxy, JavaProxyClass, JavaProxyClass.ProxyMethodImpl, JavaProxyConstructor, JavaProxyReflectionObject, JFFIInvoker, JRubyExecutionContextLocal, JRubyFiberLocal, JRubyObjectInputStream, JRubyThreadLocal, JZlibDeflate, JZlibInflate, JZlibRubyGzipReader, JZlibRubyGzipWriter, MapJavaProxy, MappedType, MemoryObject, MemoryPointer, MetaClass, Mutex, NativeException, Option, Pointer, PrependedModule, Queue, RubyArgsFile, RubyArgumentError, RubyArray, RubyArrayOneObject, RubyArraySpecialized, RubyArrayTwoObject, RubyBasicObject, RubyBasicSocket, RubyBigDecimal, RubyBignum, RubyBinding, RubyBoolean, RubyBoolean.False, RubyBoolean.True, RubyClass, RubyClassPathVariable, RubyComplex, RubyConcurrencyError, RubyContinuation, RubyConverter, RubyDate, RubyDateTime, RubyDigest.DigestBase, RubyDigest.DigestClass, RubyDir, RubyDomainError, RubyEncoding, RubyEncodingError, RubyEncodingError.RubyCompatibilityError, RubyEncodingError.RubyConverterNotFoundError, RubyEncodingError.RubyInvalidByteSequenceError, RubyEncodingError.RubyUndefinedConversionError, RubyEnumerator, RubyEOFError, RubyException, RubyFatal, RubyFiberError, RubyFile, RubyFileStat, RubyFixnum, RubyFloat, RubyFloatDomainError, RubyFrozenError, RubyGenerator, RubyGlobal.CaseInsensitiveStringOnlyRubyHash, RubyGlobal.StringOnlyRubyHash, RubyGzipFile, RubyHash, RubyIndexError, RubyInteger, RubyInterrupt, RubyInterruptedRegexpError, RubyIO, RubyIOError, RubyIPSocket, RubyKeyError, RubyLoadError, RubyLocalJumpError, RubyMatchData, RubyMethod, RubyModule, RubyNameError, RubyNameError.RubyNameErrorMessage, RubyNil, RubyNoMemoryError, RubyNoMethodError, RubyNotImplementedError, RubyNumeric, RubyObject, RubyObject.Data, RubyObjectSpace.WeakMap, RubyPathname, RubyProc, RubyProcess.RubyStatus, RubyRandom, RubyRange, RubyRangeError, RubyRational, RubyRegexp, RubyRegexpError, RubyRipper, RubyRuntimeError, RubyScriptError, RubySecurityError, RubyServerSocket, RubySet, RubySet.DivideTSortHash, RubySignalException, RubySocket, RubySortedSet, RubyStandardError, RubyStopIteration, RubyString, RubyStringScanner, RubyStruct, RubySymbol, RubySyntaxError, RubySystemCallError, RubySystemExit, RubySystemStackError, RubyTCPServer, RubyTCPSocket, RubyThread, RubyThread.Location, RubyThreadError, RubyThreadGroup, RubyTime, RubyTypeError, RubyUDPSocket, RubyUnboundMethod, RubyUncaughtThrowError, RubyUNIXServer, RubyUNIXSocket, RubyYielder, RubyZeroDivisionError, SizedQueue, StringArraySet, StringIO, Struct, StructByReference, StructByValue, StructLayout, StructLayout.ArrayField, StructLayout.ArrayProxy, StructLayout.CharArrayProxy, StructLayout.EnumField, StructLayout.Field, StructLayout.FunctionField, StructLayout.InnerStructField, StructLayout.MappedField, StructLayout.NumberField, StructLayout.PointerField, Tempfile, ThreadFiber, TracePoint, Type, Type.Array, Type.Builtin, UndefinedValue, VariadicInvoker, ZStream
```
public interface IRubyObject
```
Object is the parent class of all classes in Ruby. Its methods are therefore available to all objects unless explicitly overridden.

Field Summary

Fields
Modifier and Type Field and Description

static IRubyObject[] NULL_ARRAY

Fields
Modifier and Type	Field and Description
`static IRubyObject[]`	`NULL_ARRAY`

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods Deprecated Methods
Modifier and Type	Method and Description
`void`	`addFinalizer(IRubyObject finalizer)`
`IRubyObject`	`anyToString()`
`static IRubyObject[]`	`array(int length)`
`java.lang.String`	`asJavaString()` Convert the object into a symbol name if possible.
`RubyString`	`asString()` rb_obj_as_string
`IRubyObject`	`callMethod(ThreadContext context, int methodIndex, java.lang.String name)` Deprecated.
`IRubyObject`	`callMethod(ThreadContext context, int methodIndex, java.lang.String name, IRubyObject arg)` Deprecated.
`IRubyObject`	`callMethod(ThreadContext context, java.lang.String name)`
`IRubyObject`	`callMethod(ThreadContext context, java.lang.String name, IRubyObject arg)`
`IRubyObject`	`callMethod(ThreadContext context, java.lang.String name, IRubyObject[] args)`
`IRubyObject`	`callMethod(ThreadContext context, java.lang.String name, IRubyObject[] args, Block block)`
`IRubyObject`	`callSuper(ThreadContext context, IRubyObject[] args, Block block)` Deprecated.
`IRubyObject`	`checkArrayType()`
`IRubyObject`	`checkCallMethod(ThreadContext context, JavaSites.CheckedSites sites)`
`IRubyObject`	`checkCallMethod(ThreadContext context, java.lang.String name)`
`IRubyObject`	`checkStringType()`
`default IRubyObject`	`checkStringType19()` Deprecated. Use `checkStringType()` instead.
`RubyArray`	`convertToArray()` Converts this Ruby object to an Array.
`RubyFloat`	`convertToFloat()` Converts this Ruby object to a Float (using to_f).
`RubyHash`	`convertToHash()` Converts this Ruby object to a Hash.
`RubyInteger`	`convertToInteger()` Converts this Ruby object to an Integer.
`default RubyInteger`	`convertToInteger(int convertMethodIndex, java.lang.String convertMethod)` Deprecated.
`RubyInteger`	`convertToInteger(java.lang.String convertMethod)` Converts this Ruby object to an Integer.
`RubyString`	`convertToString()` Converts this Ruby object to a String.
`void`	`copySpecialInstanceVariables(IRubyObject clone)`
`java.lang.Object`	`dataGetStruct()` Our version of Data_Get_Struct.
`java.lang.Object`	`dataGetStructChecked()` Deprecated.
`void`	`dataWrapStruct(java.lang.Object obj)` Our version of Data_Wrap_Struct.
`IRubyObject`	`dup()` RubyMethod dup.
`boolean`	`eql(IRubyObject other)`
`InstanceVariables`	`getInstanceVariables()`
`InternalVariables`	`getInternalVariables()`
`java.lang.Class`	`getJavaClass()` RubyMethod getJavaClass.
`RubyClass`	`getMetaClass()` Retrieve `self.class<`.
`Ruby`	`getRuntime()` RubyMethod getRuntime.
`RubyClass`	`getSingletonClass()` Retrieve `self.singleton_class<`.
`RubyClass`	`getType()` RubyMethod getType.
`java.lang.Object`	`getVariable(int index)`
`int`	`getVariableCount()`
`java.util.List<Variable<java.lang.Object>>`	`getVariableList()`
`java.util.List<java.lang.String>`	`getVariableNameList()`
`boolean`	`hasVariables()` Returns true if object has any variables, defined as: instance variables class variables constants internal variables, such as those used when marshalling Ranges and Exceptions
`IRubyObject`	`id()`
`IRubyObject`	`infectBy(IRubyObject obj)` Infect this object using the taint of another object.
`IRubyObject`	`inspect()` RubyMethod inspect.
`boolean`	`isClass()`
`boolean`	`isFrozen()` RubyMethod isFrozen.
`boolean`	`isImmediate()`
`boolean`	`isModule()`
`boolean`	`isNil()` Check whether this object is nil.
`boolean`	`isSpecialConst()`
`boolean`	`isTaint()` RubyMethod isTaint.
`boolean`	`isTrue()` Check whether this object is truthy.
`boolean`	`isUntrusted()` RubyMethod isUntrusted.
`IRubyObject`	`op_eqq(ThreadContext context, IRubyObject other)`
`IRubyObject`	`op_equal(ThreadContext context, IRubyObject other)`
`IRubyObject`	`rbClone()` RubyMethod clone.
`void`	`removeFinalizers()`
`boolean`	`respondsTo(java.lang.String string)` RubyMethod respondsTo.
`boolean`	`respondsToMissing(java.lang.String string)` RubyMethod respondsTo.
`boolean`	`respondsToMissing(java.lang.String string, boolean priv)` RubyMethod respondsTo.
`void`	`setFrozen(boolean b)` RubyMethod setFrozen.
`void`	`setTaint(boolean taint)` RubyMethod setTaint.
`void`	`setUntrusted(boolean b)` RubyMethod setUntrusted.
`void`	`setVariable(int index, java.lang.Object value)`
`void`	`syncVariables(IRubyObject source)` Sets object's variables to those in the supplied object, removing/replacing any previously defined variables of the same name.
`void`	`syncVariables(java.util.List<Variable<java.lang.Object>> variables)` Deprecated.
`<T> T`	`toJava(java.lang.Class<T> type)` Convert the object to the specified Java class, if possible.

- Field Detail
  - NULL_ARRAY
```
static final IRubyObject[] NULL_ARRAY
```
- Method Detail
  - array
```
static IRubyObject[] array(int length)
```
  - callSuper
```
@Deprecated
IRubyObject callSuper(ThreadContext context,
                                  IRubyObject[] args,
                                  Block block)
```
    Deprecated.
  - callMethod
```
IRubyObject callMethod(ThreadContext context,
                       java.lang.String name)
```
  - callMethod
```
IRubyObject callMethod(ThreadContext context,
                       java.lang.String name,
                       IRubyObject arg)
```
  - callMethod
```
IRubyObject callMethod(ThreadContext context,
                       java.lang.String name,
                       IRubyObject[] args)
```
  - callMethod
```
IRubyObject callMethod(ThreadContext context,
                       java.lang.String name,
                       IRubyObject[] args,
                       Block block)
```
  - callMethod
```
@Deprecated
IRubyObject callMethod(ThreadContext context,
                                   int methodIndex,
                                   java.lang.String name)
```
    Deprecated.
  - callMethod
```
@Deprecated
IRubyObject callMethod(ThreadContext context,
                                   int methodIndex,
                                   java.lang.String name,
                                   IRubyObject arg)
```
    Deprecated.
  - checkCallMethod
```
IRubyObject checkCallMethod(ThreadContext context,
                            java.lang.String name)
```
  - checkCallMethod
```
IRubyObject checkCallMethod(ThreadContext context,
                            JavaSites.CheckedSites sites)
```
  - isNil
```
boolean isNil()
```
    Check whether this object is nil.
    
    Returns:
    
    true for nil only
  - isTrue
```
boolean isTrue()
```
    Check whether this object is truthy.
    
    Returns:
    
    false for nil and false, true otherwise
  - isTaint
```
boolean isTaint()
```
    RubyMethod isTaint.
    
    Returns:
    
    boolean
  - setTaint
```
void setTaint(boolean taint)
```
    RubyMethod setTaint.
    
    Parameters:
    
    taint - the taint flag
  - infectBy
```
IRubyObject infectBy(IRubyObject obj)
```
    Infect this object using the taint of another object.
    
    Parameters:
    
    obj -
    
    Returns:
    
    infected (self)
  - isFrozen
```
boolean isFrozen()
```
    RubyMethod isFrozen.
    
    Returns:
    
    boolean
  - setFrozen
```
void setFrozen(boolean b)
```
    RubyMethod setFrozen.
    
    Parameters:
    
    b -
  - isUntrusted
```
boolean isUntrusted()
```
    RubyMethod isUntrusted.
    
    Returns:
    
    boolean
  - setUntrusted
```
void setUntrusted(boolean b)
```
    RubyMethod setUntrusted.
    
    Parameters:
    
    b -
  - isImmediate
```
boolean isImmediate()
```
    Returns:
  - isSpecialConst
```
boolean isSpecialConst()
```
    Returns:
  - getMetaClass
```
RubyClass getMetaClass()
```
    Retrieve self.class<.
    
    Returns:
    
    the Ruby (meta) class
  - getSingletonClass
```
RubyClass getSingletonClass()
```
    Retrieve self.singleton_class<.
    
    Returns:
    
    the Ruby singleton class
  - getType
```
RubyClass getType()
```
    RubyMethod getType.
    
    Returns:
    
    RubyClass
  - respondsTo
```
boolean respondsTo(java.lang.String string)
```
    RubyMethod respondsTo.
    
    Parameters:
    
    string -
    
    Returns:
    
    boolean
  - respondsToMissing
```
boolean respondsToMissing(java.lang.String string)
```
    RubyMethod respondsTo.
    
    Parameters:
    
    string -
    
    Returns:
    
    boolean
  - respondsToMissing
```
boolean respondsToMissing(java.lang.String string,
                          boolean priv)
```
    RubyMethod respondsTo.
    
    Parameters:
    
    string -
    
    Returns:
    
    boolean
  - getRuntime
```
Ruby getRuntime()
```
    RubyMethod getRuntime.
    
    Returns:
    
    the Ruby runtime this belongs to
  - getJavaClass
```
java.lang.Class getJavaClass()
```
    RubyMethod getJavaClass.
    
    Returns:
    
    Class
  - asJavaString
```
java.lang.String asJavaString()
```
    Convert the object into a symbol name if possible.
    
    Returns:
    
    String the symbol name
  - asString
```
RubyString asString()
```
    rb_obj_as_string
    
    Returns:
  - convertToArray
```
RubyArray convertToArray()
```
    Converts this Ruby object to an Array.
    
    Returns:
    
    an array value
  - convertToHash
```
RubyHash convertToHash()
```
    Converts this Ruby object to a Hash.
    
    Returns:
    
    a hash value
  - convertToFloat
```
RubyFloat convertToFloat()
```
    Converts this Ruby object to a Float (using to_f).
    
    Returns:
    
    a float value
  - convertToInteger
```
RubyInteger convertToInteger()
```
    Converts this Ruby object to an Integer. Uses the default conversion method (to_int).
    
    Returns:
    
    an integer value
  - convertToInteger
```
RubyInteger convertToInteger(java.lang.String convertMethod)
```
    Converts this Ruby object to an Integer.
    
    Parameters:
    
    convertMethod - method to use e.g. to_i
    
    Returns:
    
    an integer value
  - convertToString
```
RubyString convertToString()
```
    Converts this Ruby object to a String.
    
    Returns:
    
    a string value
  - anyToString
```
IRubyObject anyToString()
```
    Returns:
  - checkStringType
```
IRubyObject checkStringType()
```
    Returns:
    
    nil if type check failed
  - checkArrayType
```
IRubyObject checkArrayType()
```
    Returns:
    
    nil if type check failed
  - toJava
```
<T> T toJava(java.lang.Class<T> type)
```
    Convert the object to the specified Java class, if possible.
    
    Parameters:
    
    type - The target type to which the object should be converted.
  - dup
```
IRubyObject dup()
```
    RubyMethod dup.
    
    Returns:
    
    a dup-ed object
  - inspect
```
IRubyObject inspect()
```
    RubyMethod inspect.
    
    Returns:
    
    String
  - rbClone
```
IRubyObject rbClone()
```
    RubyMethod clone.
    
    Returns:
    
    a cloned object
  - isModule
```
boolean isModule()
```
    Returns:
    
    true if an object is Ruby Module instance (note that it will return false for Ruby Classes). If is_a? semantics is required, use (someObject instanceof RubyModule) instead.
  - isClass
```
boolean isClass()
```
    Returns:
    
    true if an object is Ruby Class instance (note that it will return false for Ruby singleton classes). If is_a? semantics is required, use (someObject instanceof RubyClass/MetaClass) instead.
  - dataWrapStruct
```
void dataWrapStruct(java.lang.Object obj)
```
    Our version of Data_Wrap_Struct. This method will just set a private pointer to the object provided. This pointer is transient and will not be accessible from Ruby.
    
    Parameters:
    
    obj - the object to wrap
  - dataGetStruct
```
java.lang.Object dataGetStruct()
```
    Our version of Data_Get_Struct. Returns a wrapped data value if there is one, otherwise returns null.
    
    Returns:
    
    the object wrapped.
  - dataGetStructChecked
```
@Deprecated
java.lang.Object dataGetStructChecked()
```
    Deprecated.
  - id
```
IRubyObject id()
```
    Returns:
    
    the object id
  - op_equal
```
IRubyObject op_equal(ThreadContext context,
                     IRubyObject other)
```
  - op_eqq
```
IRubyObject op_eqq(ThreadContext context,
                   IRubyObject other)
```
  - eql
```
boolean eql(IRubyObject other)
```
  - addFinalizer
```
void addFinalizer(IRubyObject finalizer)
```
  - removeFinalizers
```
void removeFinalizers()
```
  - hasVariables
```
boolean hasVariables()
```
    Returns true if object has any variables, defined as:
    - instance variables
    - class variables
    - constants
    - internal variables, such as those used when marshalling Ranges and Exceptions
    Returns:
    
    true if object has any variables, else false
  - getVariableCount
```
int getVariableCount()
```
    Returns:
    
    the count of all variables (ivar/cvar/constant/internal)
  - syncVariables
```
@Deprecated
void syncVariables(java.util.List<Variable<java.lang.Object>> variables)
```
    Deprecated.
    
    Sets object's variables to those in the supplied list, removing/replacing any previously defined variables. Applies to all variable types (ivar/cvar/constant/internal).
    
    Parameters:
    
    variables - the variables to be set for object
  - syncVariables
```
void syncVariables(IRubyObject source)
```
    Sets object's variables to those in the supplied object, removing/replacing any previously defined variables of the same name. Applies to all variable types (ivar/cvar/constant/internal).
    
    Parameters:
    
    source - the source object containing the variables to sync
  - getVariableList
```
java.util.List<Variable<java.lang.Object>> getVariableList()
```
    Returns:
    
    a list of all variables (ivar/cvar/constant/internal)
  - getInstanceVariables
```
InstanceVariables getInstanceVariables()
```
  - getInternalVariables
```
InternalVariables getInternalVariables()
```
  - getVariableNameList
```
java.util.List<java.lang.String> getVariableNameList()
```
    Returns:
    
    a list of all variable names (ivar/cvar/constant/internal)
  - copySpecialInstanceVariables
```
void copySpecialInstanceVariables(IRubyObject clone)
```
  - getVariable
```
java.lang.Object getVariable(int index)
```
  - setVariable
```
void setVariable(int index,
                 java.lang.Object value)
```
  - checkStringType19
```
default IRubyObject checkStringType19()
```
    Deprecated. Use checkStringType() instead.
  - convertToInteger
```
@Deprecated
default RubyInteger convertToInteger(int convertMethodIndex,
                                                 java.lang.String convertMethod)
```
    Deprecated.
    
    Parameters:
    
    convertMethod -
    
    convertMethodIndex -
    
    See Also:
    
    convertToInteger(String)

Interface IRubyObject

Field Summary

Method Summary

Field Detail

NULL_ARRAY

Method Detail

array

callSuper

callMethod

callMethod

callMethod

callMethod

callMethod

callMethod

checkCallMethod

checkCallMethod

isNil

isTrue

isTaint

setTaint

infectBy

isFrozen

setFrozen

isUntrusted

setUntrusted

isImmediate

isSpecialConst

getMetaClass

getSingletonClass

getType

respondsTo

respondsToMissing

respondsToMissing

getRuntime

getJavaClass

asJavaString

asString

convertToArray

convertToHash

convertToFloat

convertToInteger

convertToInteger

convertToString

anyToString

checkStringType

checkArrayType

toJava

dup

inspect

rbClone

isModule

isClass

dataWrapStruct

dataGetStruct

dataGetStructChecked

id

op_equal

op_eqq

eql

addFinalizer

removeFinalizers

hasVariables

getVariableCount

syncVariables

syncVariables

getVariableList

getInstanceVariables

getInternalVariables

getVariableNameList

copySpecialInstanceVariables

getVariable

setVariable

checkStringType19

convertToInteger