InstanceVariables (JRuby Core 9.2.11.1 API)

All Known Implementing Classes:

AbstractInvoker, AbstractMemory, AbstractRubyMethod, Addrinfo, ArrayJavaProxy, ArrayJavaProxyCreator, AutoPointer, BasicObjectStub.DummyInstanceVariables, 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, RubyEnumerator.FeedValue, 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, VariadicInvoker, ZStream
```
public interface InstanceVariables
```
Interface that represents the instance variable aspect of Ruby objects.

Author:

headius

Method Summary

All Methods Instance Methods Abstract Methods Deprecated Methods
Modifier and Type	Method and Description
`void`	`copyInstanceVariablesInto(InstanceVariables other)` Copies all instance variables from the given object into the receiver
`IRubyObject`	`fastGetInstanceVariable(java.lang.String internedName)` Deprecated.
`boolean`	`fastHasInstanceVariable(java.lang.String internedName)` Deprecated.
`IRubyObject`	`fastSetInstanceVariable(java.lang.String internedName, IRubyObject value)` Deprecated.
`IRubyObject`	`getInstanceVariable(java.lang.String name)` Returns the named instance variable if present, else null.
`java.util.List<Variable<IRubyObject>>`	`getInstanceVariableList()`
`java.util.List<java.lang.String>`	`getInstanceVariableNameList()`
`boolean`	`hasInstanceVariable(java.lang.String name)` Returns true if object has the named instance variable.
`IRubyObject`	`removeInstanceVariable(java.lang.String name)` Removes the named instance variable, if present, returning its value.
`IRubyObject`	`setInstanceVariable(java.lang.String name, IRubyObject value)` Sets the named instance variable to the specified value.

- Method Detail
  - hasInstanceVariable
```
boolean hasInstanceVariable(java.lang.String name)
```
    Returns true if object has the named instance variable.
    
    Parameters:
    
    name - the name of an instance variable
    
    Returns:
    
    true if object has the named instance variable.
  - fastHasInstanceVariable
```
@Deprecated
boolean fastHasInstanceVariable(java.lang.String internedName)
```
    Deprecated.
  - getInstanceVariable
```
IRubyObject getInstanceVariable(java.lang.String name)
```
    Returns the named instance variable if present, else null.
    
    Parameters:
    
    name - the name of an instance variable
    
    Returns:
    
    the named instance variable if present, else null
  - fastGetInstanceVariable
```
@Deprecated
IRubyObject fastGetInstanceVariable(java.lang.String internedName)
```
    Deprecated.
  - setInstanceVariable
```
IRubyObject setInstanceVariable(java.lang.String name,
                                IRubyObject value)
```
    Sets the named instance variable to the specified value.
    
    Parameters:
    
    name - the name of an instance variable
    
    value - the value to be set
  - fastSetInstanceVariable
```
@Deprecated
IRubyObject fastSetInstanceVariable(java.lang.String internedName,
                                                IRubyObject value)
```
    Deprecated.
  - removeInstanceVariable
```
IRubyObject removeInstanceVariable(java.lang.String name)
```
    Removes the named instance variable, if present, returning its value.
    
    Parameters:
    
    name - the name of the variable to remove
    
    Returns:
    
    the value of the remove variable, if present; else null
  - getInstanceVariableList
```
java.util.List<Variable<IRubyObject>> getInstanceVariableList()
```
    Returns:
    
    instance variables
  - getInstanceVariableNameList
```
java.util.List<java.lang.String> getInstanceVariableNameList()
```
    Returns:
    
    instance variable names
  - copyInstanceVariablesInto
```
void copyInstanceVariablesInto(InstanceVariables other)
```
    Copies all instance variables from the given object into the receiver

Interface InstanceVariables

Method Summary

Method Detail

hasInstanceVariable

fastHasInstanceVariable

getInstanceVariable

fastGetInstanceVariable

setInstanceVariable

fastSetInstanceVariable

removeInstanceVariable

getInstanceVariableList

getInstanceVariableNameList

copyInstanceVariablesInto