Package org.jruby

Class MetaClass

java.lang.Object

org.jruby.RubyBasicObject

org.jruby.RubyObject

org.jruby.RubyModule

org.jruby.RubyClass

org.jruby.MetaClass

All Implemented Interfaces:

Serializable, Cloneable, Comparable<IRubyObject>, InstanceVariables, InternalVariables, IRubyObject, CoreObjectType

public final class MetaClass
extends RubyClass

See Also:

• Serialized Form

Nested Class Summary

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

RubyClass.ConcreteJavaReifier, RubyClass.CS_NAMES, RubyClass.Reificator

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

RubyModule.Autoload, RubyModule.AutoloadMethod, RubyModule.CacheEntryFactory, RubyModule.ConstantEntry, RubyModule.JavaClassKindOf, RubyModule.KindOf, RubyModule.MethodClumper, RubyModule.ModuleKernelMethods, RubyModule.ProfilingCacheEntryFactory, RubyModule.RespondToMissingMethod, RubyModule.SynchronizedCacheEntryFactory, RubyModule.WrapperCacheEntryFactory

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	Description
private RubyBasicObject	attached
private static final Logger	LOG
private static final boolean	LOG_SINGLETONS
private static final boolean	LOG_SINGLETONS_VERBOSE

Fields inherited from class org.jruby.RubyClass

CLASS_ALLOCATOR, CS_IDX_INITIALIZE, DEFAULT_OBJECT_MARSHAL, marshal, runtime

Fields inherited from class org.jruby.RubyModule

baseName, cachedMethods, CACHEPROXY_F, classIndex, generation, generationObject, id, INCLUDED_INTO_REFINEMENT, includingHierarchies, index, IS_OVERLAID_F, kindOf, methodInvalidator, methodLocation, methods, MODULE_ALLOCATOR, NEEDSIMPL_F, NormalCacheEntryFactory, OMOD_SHARED, parent, REFINED_MODULE_F, refinedClass, SCOPE_CAPTURING_METHODS, superClass

Fields inherited from class org.jruby.RubyObject

IVAR_INSPECTING_OBJECT_ALLOCATOR, OBJECT_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, UNTRUST_F, USER0_F, USER1_F, USER2_F, USER3_F, USER4_F, USER5_F, USER6_F, USER7_F, USER8_F, USER9_F, USERA_F, VAR_TABLE_OFFSET, varTable, varTableStamp

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

NULL_ARRAY

Constructor Summary

Constructors

Constructor	Description
MetaClass(Ruby runtime, RubyClass superClass, RubyBasicObject attached)	rb_class_boot for meta classes (makeMetaClass(RubyClass))
MetaClass(Ruby runtime, RubyClass superClass, IRubyObject attached)	Deprecated.

Method Summary

Modifier and Type	Method	Description
final IRubyObject	allocate()
RubyBasicObject	getAttached()
private RubyClass	getSuperSingletonMetaClass()
boolean	isSingleton()
private static void	logSingleton(Ruby runtime, RubyClass superClass, RubyBasicObject attached)
RubyClass	makeMetaClass(RubyClass superClass)	rb_make_metaclass
void	setAttached(RubyBasicObject attached)
(package private) RubyClass	toSingletonClass(RubyBasicObject target)

Methods inherited from class org.jruby.RubyClass

addClassAnnotation, addFieldAnnotation, addFieldSignature, addInvalidatorsAndFlush, addMethodAnnotation, addMethodSignature, addParameterAnnotation, addSubclass, becomeSynchronized, checkFuncallCallable, checkInheritable, createBootstrapClass, createClassClass, finvoke, finvoke, finvoke, finvoke, finvoke, finvoke, finvoke, finvoke, finvoke, finvoke, finvokeChecked, finvokeChecked, finvokeChecked, finvokeChecked, finvokeWithRefinements, finvokeWithRefinements, finvokeWithRefinements, finvokeWithRefinements, finvokeWithRefinements, getAllMethodSignatures, getAllocator, getBaseCallSite, getBaseCallSites, getClassAnnotations, getClassConfig, getClassRuntime, getExtraCallSites, getFFIHandleAccessorField, getFFIHandleAccessorForRead, getFFIHandleAccessorForWrite, getFieldAnnotations, getFieldSignatures, getIsReifiedExtendedJavaClass, getMarshal, getMethodAnnotations, getMethodSignatures, getNativeClassIndex, getObjectGroupAccessorField, getObjectGroupAccessorForRead, getObjectGroupAccessorForWrite, getObjectIdAccessorField, getParameterAnnotations, getPositionOrDefault, getRealClass, getRealModule, getReifiedClass, getReifiedJavaClass, getReifiedRubyClass, getVariableAccessorForRead, getVariableAccessorForWrite, getVariableAccessorsForRead, getVariableNames, getVariableTableCopy, getVariableTableManager, getVariableTableSize, getVariableTableSizeWithExtras, hasObjectID, inherit, inherited, initialize, initialize, initialize_copy, initialize19, initialize19, invalidateCacheDescendants, invoke, invoke, invoke, invoke, invoke, invoke, invoke, invoke, invoke, invoke, invoke, invokeFrom, invokeFrom, invokeFrom, invokeFrom, invokeFrom, invokeFrom, invokeFrom, invokeFrom, invokeFrom, invokeFrom, invokeInherited, invokePublic, isClass, isModule, isReifiable, marshal, marshalTo, nearestReifiedClass, newClass, newClass, newClass, newClass, newInstance, newInstance, newInstance, newInstance, newInstance, notVisibleAndNotMethodMissing, reify, reify, reify, reify, reifyWithAncestors, reifyWithAncestors, reifyWithAncestors, reifyWithAncestors, removeSubclass, replaceSubclass, setAllocator, setClassAllocator, setClassConfig, setMarshal, setModuleSuperClass, setReifiedClass, setRubyClassAllocator, setRubyStaticAllocator, smartDump, smartLoadNewUser, smartLoadOldUser, subclasses, subclasses, superclass, toJava, unmarshal, unmarshalFrom

Methods inherited from class org.jruby.RubyModule

addClassProvider, addIncludingHierarchy, addMethod, addMethodAtBootTimeOnly, addMethodInternal, addMethodSymbols, addModuleFunction, addReadAttribute, addReadWriteAttribute, addToCache, addToCache, addWriteAttribute, alias_method, ancestors, ancestors, append_features, attr, attr_accessor, attr_accessor, attr_reader, attr_reader, attr_writer, attr19, autoload, autoload_p, autoloadingValue, checkForCyclicPrepend, checkFrozen, checkValidBindTargetFrom, class_variable_defined_p, class_variable_get, class_variable_get19, class_variable_set, class_variable_set19, class_variables, class_variables, class_variables19, cloneMethods, const_defined_p, const_defined_p, const_defined_p19, const_get, const_get, const_get_1_9, const_get_2_0, const_missing, const_set, constantEntryFetch, constants, constants, constants19, constants19, constantsCommon, constantsCommon, constantsCommon19, constantTableContains, constantTableFetch, constantTableRemove, constantTableStore, constantTableStore, constantTableStore, constDefined, constDefinedAt, constDefinedFrom, createModuleClass, define_method, define_method, define_method, defineAlias, defineAliases, defineAnnotatedConstant, defineAnnotatedConstants, defineAnnotatedMethod, defineAnnotatedMethod, defineAnnotatedMethod, defineAnnotatedMethod, defineAnnotatedMethods, defineAnnotatedMethodsIndividually, defineAutoload, defineClassUnder, defineConstant, defineMethodFromBlock, defineMethodFromCallable, defineModuleUnder, defineOrGetClassUnder, defineOrGetClassUnder, defineOrGetModuleUnder, deleteClassVariable, deleteConstant, deprecate_constant, deprecate_constant, deprecateConstant, discoverInstanceVariables, ensureClassVariablesSettable, ensureConstantsSettable, equals, exportMethod, extend_object, extended, fastFetchClassVariable, fastFetchConstant, fastGetClass, fastGetClassVar, fastGetConstant, fastGetConstant, fastGetConstantAt, fastGetConstantFrom, fastGetConstantFromConstMissing, fastGetConstantFromNoConstMissing, fastHasClassVariable, fastHasConstant, fastIsClassVarDefined, fastIsConstantDefined, fastIsConstantDefined19, fastIsConstantDefined19, fastSetClassVar, fastSetConstant, fastStoreClassVariable, fastStoreConstant, fetchClassVariable, fetchConstant, fetchConstant, findImplementer, finishAutoload, freeze, getAncestorList, getAutoloadConstant, getAutoloadConstant, getAutoloadFile, getAutoloadMap, getAutoloadMapForWrite, getBaseName, getCacheProxy, getCacheToken, getClass, getClassIndex, getClassVar, getClassVar, getClassVariableNameList, getClassVariables, getClassVariablesForRead, getClassVarQuiet, getConstant, getConstant, getConstant, getConstantAt, getConstantAt, getConstantAtSpecial, getConstantFrom, getConstantFromConstMissing, getConstantFromNoConstMissing, getConstantFromNoConstMissing, getConstantMap, getConstantMapForWrite, getConstantNames, getConstantNames, getConstantNoConstMissing, getConstantNoConstMissing, getConstantNoConstMissing, getConstantNoConstMissingSkipAutoload, getConstantNoConstMissingSKipAutoload, getConstantWithAutoload, getDelegate, getGeneration, getGenerationObject, getIdTest, getInvalidator, getJavaProxy, getMethodLocation, getMethods, getMethodsForWrite, getModule, getName, getNonIncludedClass, getOrigin, getParent, getRefinements, getRefinementsForWrite, getSimpleName, getStoredConstantList, getStoredConstantNameList, getSuperClass, hasClassVariable, hasConstant, hash, hashCode, hasInternalModuleVariable, hasModuleInHierarchy, hasModuleInPrepends, hasPrepends, include, include, include_p, included, included_modules, includeModule, initialize, instance_method, instance_methods, instance_methods19, instanceMethods, instanceMethods, invalidateCacheDescendantsInner, invalidateConstantCache, invalidateConstantCaches, invalidateCoreClasses, isClassVarDefined, isConstantDefined, isConstantDefined, isIncluded, isIncludedIntoRefinement, isInstance, isKindOfModule, isMethodBound, isMethodBound, isMethodBuiltin, isPrepended, isRefinement, isSame, isSameOrigin, isSynchronized, loadPopulatorFor, marshalTo, method_added, method_defined_p, method_defined_p, method_removed, method_undefined, mix, mix, module_eval, module_eval, module_eval, module_eval, module_eval, module_exec, module_exec, module_function, name, name, name19, needsImplementer, nesting, newActivatedRefinementsMap, newIdTest, newIncludeClass, newMethod, newMethod, newMethod, newModule, newModule, newRefinementsMap, newRefinementsMap, op_cmp, op_eqq, op_equal, op_ge, op_gt, op_le, op_lt, populateInstanceMethodNames, prepend, prepend_features, prepended, prependModule, prependModule, private_class_method, private_constant, private_constant, private_instance_methods, private_instance_methods19, private_method_defined, private_method_defined, protected_instance_methods, protected_instance_methods19, protected_method_defined, protected_method_defined, public_class_method, public_constant, public_constant, public_instance_method, public_instance_methods, public_instance_methods19, public_method_defined, public_method_defined, publicConstDefinedFrom, putAlias, putAlias, putMethod, rbPrivate, rbProtected, rbPublic, refine, remove_class_variable, remove_class_variable19, remove_const, remove_method, removeClassProvider, removeClassVariable, removeMethod, resolveRefinedMethod, resolveUndefConstant, respondsToMethod, respondsToMethod, retrieveMethod, rubyBaseName, rubyName, searchAncestor, searchInternalModuleVariable, searchMethod, searchMethodCommon, searchMethodEntryInner, searchMethodInner, searchMethodLateral, searchWithCache, searchWithCache, searchWithRefinements, setBaseName, setCacheProxy, setClassIndex, setClassVar, setConstant, setConstant, setConstantQuiet, setConstantVisibility, setInternalModuleVariable, setJavaProxy, setMethodLocation, setMethodVisibility, setParent, setRefinements, setSuperClass, singleton_class_p, storeClassVariable, storeConstant, storeConstant, syncClassVariables, syncConstants, to_s, undef, undef_method, undefinedMethodMessage, undefineMethod, updateGeneration, used_modules, using, usingModule, validateClassVariable, validateClassVariable, validateClassVariable, validateConstant, validateConstant

Methods inherited from class org.jruby.RubyObject

attachToObjectSpace, callInit, callInit, callInit, callInit, callInit, callInit, callInit, callInit, callInit, callInit, convertToType, createObjectClass, dig, dig1, dig2, eqlInternal, equalInternal, inspect, puts, specificEval, toRubyString, toString

Methods inherited from class org.jruby.RubyBasicObject

addFinalizer, anyToString, asJavaString, asString, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callSuper, checkArrayType, checkCallMethod, checkCallMethod, checkStringType, checkStringType19, compareTo, convertToArray, convertToFloat, convertToHash, convertToInteger, convertToInteger, convertToInteger, convertToString, copyInstanceVariablesInto, copySpecialInstanceVariables, createBasicObjectClass, dataGetStruct, dataGetStructChecked, dataWrapStruct, decode, defaultToJava, display, dup, ensureInstanceVariablesSettable, eql, eql_p, equal_p, equal_p19, evalUnder, extend, fastGetInstanceVariable, fastGetInternalVariable, fastHasInstanceVariable, fastHasInternalVariable, fastSetInstanceVariable, fastSetInternalVariable, frozen_p, getFFIHandle, getFlag, getInstanceEvalClass, getInstanceVariable, getInstanceVariableList, getInstanceVariableNameList, getInstanceVariables, getInternalVariable, getInternalVariables, getJavaClass, getMetaClass, getMetaClass, getNativeHandle, getNativeTypeIndex, getObjectId, getRuntime, getSingletonClass, getSingletonClassClone, getSingletonClassCloneAndAttach, getType, getVariable, getVariableCount, getVariableList, getVariableNameList, hashyInspect, hasInstanceVariable, hasInstanceVariables, hasInternalVariable, hasVariables, id, infectBy, infectBy, infectBy, initialize, 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, isFalse, isFrozen, isImmediate, isNil, isSpecialConst, isSpecialObject, isTaint, isTrue, isUntrusted, kind_of_p, method, method_missing, method_missing19, method19, methods, methods, methods19, methodsImpl, nil_p, nonFixnumHashCode, OBJ_INIT_COPY, objInitCopy, op_cmp, op_equal_19, op_match, op_match19, op_not, op_not_equal, op_not_match, private_methods, private_methods19, protected_methods, protected_methods19, public_methods, public_methods19, rbClone, rbClone, rbInspect, recacheBuiltinMethods, remove_instance_variable, removeFinalizers, removeInstanceVariable, removeInternalVariable, respond_to_p, 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, singleton_method_added, singleton_method_added19, singleton_method_removed, singleton_method_removed19, singleton_method_undefined, singleton_method_undefined19, singleton_methods, specificEval, specificEval, specificEval, specificEval, syncVariables, syncVariables, taint, taint, tainted, tainted_p, testFrozen, testFrozen, to_a, to_a, trust, type, type_deprecated, untaint, untrust, untrusted_p, validateInstanceVariable, validateInstanceVariable, 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 Details

attached

private RubyBasicObject attached

LOG

private static final Logger LOG

LOG_SINGLETONS

private static final boolean LOG_SINGLETONS

LOG_SINGLETONS_VERBOSE

private static final boolean LOG_SINGLETONS_VERBOSE

Constructor Details

MetaClass

@Deprecated
public MetaClass(Ruby runtime,
 RubyClass superClass,
 IRubyObject attached)

Deprecated.

MetaClass

MetaClass(Ruby runtime,
 RubyClass superClass,
 RubyBasicObject attached)

rb_class_boot for meta classes (makeMetaClass(RubyClass))

Method Details

logSingleton

private static void logSingleton(Ruby runtime,
 RubyClass superClass,
 RubyBasicObject attached)

allocate

public final IRubyObject allocate()

Overrides:

allocate in class RubyClass

isSingleton

public boolean isSingleton()

Overrides:

isSingleton in class RubyClass

makeMetaClass

public RubyClass makeMetaClass(RubyClass superClass)

rb_make_metaclass

Overrides:

makeMetaClass in class RubyBasicObject

Parameters:

superClass -

Returns:

singleton-class for this (singleton) class

getSuperSingletonMetaClass

private RubyClass getSuperSingletonMetaClass()

toSingletonClass

RubyClass toSingletonClass(RubyBasicObject target)

Overrides:

toSingletonClass in class RubyClass

See Also:

• RubyBasicObject.getSingletonClass()

getAttached

public RubyBasicObject getAttached()

setAttached

public void setAttached(RubyBasicObject attached)