## groovy.lang
Class ExpandoMetaClass

    java.lang.Object
      groovy.lang.MetaClassImpl
          groovy.lang.ExpandoMetaClass

All Implemented Interfaces:
  GroovyObject, MetaClass, MetaObjectProtocol, MutableMetaClass

    public class ExpandoMetaClass

extends MetaClassImpl
implements GroovyObject

A MetaClass that implements GroovyObject and behaves like an Expando, allowing the addition of new methods on the fly. Some examples of usage: ``

     // defines or replaces instance method:
     metaClass.myMethod = { args -> }

     // defines a new instance method
     metaClass.myMethod << { args -> }

     // creates multiple overloaded methods of the same name
     metaClass.myMethod << { String s -> } << { Integer i -> }

     // defines or replaces a static method with the 'static' qualifier
     metaClass.'static'.myMethod = { args ->  }

     // defines a new static method with the 'static' qualifier
     metaClass.'static'.myMethod << { args ->  }

     // defines a new constructor
     metaClass.constructor << { String arg -> }

     // defines or replaces a constructor
     metaClass.constructor = { String arg -> }

     // defines a new property with an initial value of "blah"
     metaClass.myProperty = "blah"

By default methods are only allowed to be added before initialize() is called. In other words you create a new ExpandoMetaClass, add some methods and then call initialize(). If you attempt to add new methods after initialize() has been called an error will be thrown.This is to ensure that the MetaClass can operate appropriately in multi threaded environments as it forces you to do all method additions at the beginning, before using the MetaClass. ExpandoMetaClass differs here from the default in that it allows you adding methods after initialize has been called. This is done by setting the initialize flag internally to false and then add the methods. Since this is not thread safe it has to be done in a synchronized block. The methods to check for modification and initialization are therefore synchronized as well. Any method call done through this meta class will first check if the it is synchronized. Should this happen during a modification, then the method cannot be selected or called unless the modification is completed. WARNING: This MetaClass uses a thread-bound ThreadLocal instance to store and retrieve properties. In addition properties stored use soft references so they are both bound by the life of the Thread and by the soft references. The implication here is you should NEVER use dynamic properties if you want their values to stick around for long periods because as soon as the JVM is running low on memory or the thread dies they will be garbage collected.

Since:
  1.5
Author:
  Graeme Rocher

Nested Class Summary
`protected class` `ExpandoMetaClass.ExpandoMetaConstructor` Handles the ability to use the left shift operator to append new constructors
`protected class` `ExpandoMetaClass.ExpandoMetaProperty` Instances of this class are returned when using the << left shift operator.

Nested classes/interfaces inherited from class groovy.lang.MetaClassImpl
`MetaClassImpl.Index`

Field Summary
`static String` `CONSTRUCTOR`
`boolean` `inRegistry`
`static String` `STATIC_QUALIFIER`

Fields inherited from class groovy.lang.MetaClassImpl
`getPropertyMethod, INVOKE_METHOD_METHOD, invokeMethodMethod, isGroovyObject, isMap, metaMethodIndex, METHOD_MISSING, PROPERTY_MISSING, registry, setPropertyMethod, STATIC_METHOD_MISSING, STATIC_PROPERTY_MISSING, theCachedClass, theClass`

Constructor Summary
`ExpandoMetaClass(Class theClass)` Constructs a new ExpandoMetaClass instance for the given class
`ExpandoMetaClass(Class theClass, boolean register)` Constructs a new ExpandoMetaClass instance for the given class optionally placing the MetaClass in the MetaClassRegistry automatically
`ExpandoMetaClass(Class theClass, boolean register, boolean allowChangesAfterInit)` Constructs a new ExpandoMetaClass instance for the given class optionally placing the MetaClass in the MetaClassRegistry automatically
`ExpandoMetaClass(Class theClass, boolean register, MetaMethod[] add)`
`ExpandoMetaClass(Class theClass, MetaMethod[] add)`

Method Summary
`void` `addMixinClass(MixinInMetaClass mixin)`
`Object` `castToMixedType(Object obj, Class type)`
`CallSite` `createConstructorSite(CallSite site, Object[] args)`
`CallSite` `createPogoCallCurrentSite(CallSite site, Class sender, String name, Object[] args)`
`CallSite` `createPogoCallSite(CallSite site, Object[] args)`
`CallSite` `createPojoCallSite(CallSite site, Object receiver, Object[] args)`
`CallSite` `createStaticSite(CallSite site, Object[] args)`
`ExpandoMetaClass` `define(Closure closure)`
`static void` `disableGlobally()` Call to disable the global use of ExpandoMetaClass
`static void` `enableGlobally()` Call to enable global use of global use of ExpandoMetaClass within the registry.
`MetaMethod` `findMixinMethod(String methodName, Class[] arguments)`
`List<MetaMethod>` `getExpandoMethods()` Returns a list of expando MetaMethod instances added to this ExpandoMetaClass
`Collection<MetaProperty>` `getExpandoProperties()` Returns a list of MetaBeanProperty instances added to this ExpandoMetaClass
`Collection` `getExpandoSubclassMethods()`
`Class` `getJavaClass()`
`MetaClass` `getMetaClass()` Returns the metaclass for a given class.
`MetaProperty` `getMetaProperty(String name)` Looks up an existing MetaProperty by name
`List<MetaMethod>` `getMethods()` Overrides the behavior of parent getMethods() method to make MetaClass aware of added Expando methods
`List<MetaProperty>` `getProperties()` Get all the properties defined for this type
`Object` `getProperty(Class sender, Object object, String name, boolean useSuper, boolean fromInsideClass)` Overrides default implementation just in case getProperty method has been overridden by ExpandoMetaClass
`Object` `getProperty(Object object, String name)` Overrides default implementation just in case getProperty method has been overriden by ExpandoMetaClass
`Object` `getProperty(String property)` Retrieves a property value.
`String` `getPropertyForSetter(String setterName)` Returns a property name equivalent for the given setter name or null if it is not a getter
`protected Object` `getSubclassMetaMethods(String methodName)`
`boolean` `hasMetaMethod(String name, Class[] args)` Checks whether a MetaMethod for the given name and arguments exists
`boolean` `hasMetaProperty(String name)` Returns true if the MetaClass has the given property
`void` `initialize()` complete the initlialisation process.
`Object` `invokeConstructor(Object[] arguments)` Invokes a constructor for the given arguments.
`Object` `invokeMethod(Class sender, Object object, String methodName, Object[] originalArguments, boolean isCallToSuper, boolean fromInsideClass)` Overrides default implementation just in case invokeMethod has been overriden by ExpandoMetaClass
`Object` `invokeMethod(String name, Object args)` Invokes the given method.
`Object` `invokeStaticMethod(Object object, String methodName, Object[] arguments)` Overrides default implementation just in case a static invoke method has been set on ExpandoMetaClass
`protected boolean` `isInitialized()` Checks if the meta class is initialized.
`boolean` `isModified()` Return whether the MetaClass has been modified or not
`boolean` `isSetter(String name, CachedClass[] args)`
`static boolean` `isValidExpandoProperty(String property)`
`protected void` `onGetPropertyFoundInHierarchy(MetaMethod method)`
`protected void` `onInvokeMethodFoundInHierarchy(MetaMethod method)`
`protected void` `onSetPropertyFoundInHierarchy(MetaMethod method)`
`protected void` `onSuperMethodFoundInHierarchy(MetaMethod method)`
`protected void` `onSuperPropertyFoundInHierarchy(MetaBeanProperty property)`
`protected void` `performOperationOnMetaClass(groovy.lang.ExpandoMetaClass.Callable c)`
`void` `refreshInheritedMethods(Set modifiedSuperExpandos)` Called from ExpandoMetaClassCreationHandle in the registry if it exists to set up inheritance handling
`void` `registerBeanProperty(String property, Object newValue)` Registers a new bean property
`void` `registerInstanceMethod(MetaMethod metaMethod)` Registers a new instance method for the given method name and closure on this MetaClass
`void` `registerInstanceMethod(String name, Closure closure)`
`protected void` `registerStaticMethod(String name, Closure callable)`
`protected void` `registerStaticMethod(String name, Closure callable, Class[] paramTypes)` Registers a new static method for the given method name and closure on this MetaClass
`void` `registerSubclassInstanceMethod(MetaMethod metaMethod)`
`void` `registerSubclassInstanceMethod(String name, Class klazz, Closure closure)`
`protected void` `setInitialized(boolean b)`
`void` `setMetaClass(MetaClass metaClass)` Allows the MetaClass to be replaced with a derived implementation.
`void` `setProperty(Class sender, Object object, String name, Object newValue, boolean useSuper, boolean fromInsideClass)` Overrides default implementation just in case setProperty method has been overriden by ExpandoMetaClass
`void` `setProperty(String property, Object newValue)` Sets the given property to the new value.

Methods inherited from class groovy.lang.MetaClassImpl

`addMetaBeanProperty, addMetaMethod, addMetaMethodToIndex, addNewInstanceMethod, addNewStaticMethod, checkIfGroovyObjectMethod, checkInitalised, chooseMethod, clearInvocationCaches, createPogoCallCurrentSite, dropMethodCache, dropStaticMethodCache, findMethodInClassHierarchy, findOwnMethod, findPropertyInClassHierarchy, getAdditionalMetaMethods, getAttribute, getAttribute, getAttribute, getClassInfo, getClassNode, getEffectiveGetMetaProperty, getMetaMethod, getMetaMethods, getMethodWithCaching, getMethodWithoutCaching, getStaticMetaMethod, getSuperClasses, getTheCachedClass, getTheClass, getVersion, hasProperty, incVersion, invokeConstructorAt, invokeMethod, invokeMethod, invokeMissingMethod, invokeMissingProperty, invokeStaticMissingProperty, isGroovyObject, onMixinMethodFound, pickMethod, respondsTo, respondsTo, retrieveConstructor, retrieveMethod, retrieveStaticMethod, selectConstructorAndTransformArguments, setAttribute, setAttribute, setProperties, setProperty, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### STATIC_QUALIFIER

    public static final String STATIC_QUALIFIER

See Also:
  Constant Field Values

### CONSTRUCTOR

    public static final String CONSTRUCTOR

See Also:
  Constant Field Values

### inRegistry

    public boolean inRegistry

Constructor Detail

### ExpandoMetaClass

    public ExpandoMetaClass(Class theClass)

  Constructs a new ExpandoMetaClass instance for the given class

  Parameters:
    `theClass` - The class that the MetaClass applies to

### ExpandoMetaClass

    public ExpandoMetaClass(Class theClass,
                            MetaMethod[] add)

### ExpandoMetaClass

    public ExpandoMetaClass(Class theClass,
                            boolean register)

  Constructs a new ExpandoMetaClass instance for the given class optionally placing the MetaClass in the MetaClassRegistry automatically

  Parameters:
    `theClass` - The class that the MetaClass applies to
    `register` - True if the MetaClass should be registered inside the MetaClassRegistry. This defaults to true and ExpandoMetaClass will effect all instances if changed

### ExpandoMetaClass

    public ExpandoMetaClass(Class theClass,
                            boolean register,
                            MetaMethod[] add)

### ExpandoMetaClass

    public ExpandoMetaClass(Class theClass,
                            boolean register,
                            boolean allowChangesAfterInit)

  Constructs a new ExpandoMetaClass instance for the given class optionally placing the MetaClass in the MetaClassRegistry automatically

  Parameters:
    `theClass` - The class that the MetaClass applies to
    `register` - True if the MetaClass should be registered inside the MetaClassRegistry. This defaults to true and ExpandoMetaClass will effect all instances if changed
    `allowChangesAfterInit` - Should the meta class be modifiable after initialization. Default is false.

Method Detail

### getExpandoSubclassMethods

    public Collection getExpandoSubclassMethods()

### findMixinMethod

    public MetaMethod findMixinMethod(String methodName,
                                      Class[] arguments)

  Overrides:
    `findMixinMethod` in class `MetaClassImpl`

### onInvokeMethodFoundInHierarchy

    protected void onInvokeMethodFoundInHierarchy(MetaMethod method)

  Overrides:
    `onInvokeMethodFoundInHierarchy` in class `MetaClassImpl`

### onSuperMethodFoundInHierarchy

    protected void onSuperMethodFoundInHierarchy(MetaMethod method)

  Overrides:
    `onSuperMethodFoundInHierarchy` in class `MetaClassImpl`

### onSuperPropertyFoundInHierarchy

    protected void onSuperPropertyFoundInHierarchy(MetaBeanProperty property)

  Overrides:
    `onSuperPropertyFoundInHierarchy` in class `MetaClassImpl`

### onSetPropertyFoundInHierarchy

    protected void onSetPropertyFoundInHierarchy(MetaMethod method)

  Overrides:
    `onSetPropertyFoundInHierarchy` in class `MetaClassImpl`

### onGetPropertyFoundInHierarchy

    protected void onGetPropertyFoundInHierarchy(MetaMethod method)

  Overrides:
    `onGetPropertyFoundInHierarchy` in class `MetaClassImpl`

### isModified

    public boolean isModified()

  Description copied from interface: `MutableMetaClass`
  Return whether the MetaClass has been modified or not

  Specified by:
    `isModified` in interface `MutableMetaClass`
  Overrides:
    `isModified` in class `MetaClassImpl`
  Returns:
    True if it has

### registerSubclassInstanceMethod

    public void registerSubclassInstanceMethod(String name,
                                               Class klazz,
                                               Closure closure)

### registerSubclassInstanceMethod

    public void registerSubclassInstanceMethod(MetaMethod metaMethod)

### addMixinClass

    public void addMixinClass(MixinInMetaClass mixin)

### castToMixedType

    public Object castToMixedType(Object obj,
                                  Class type)

### enableGlobally

    public static void enableGlobally()

  Call to enable global use of global use of ExpandoMetaClass within the registry. This has the advantage that inheritance will function correctly, but has a higher memory usage on the JVM than normal Groovy

### disableGlobally

    public static void disableGlobally()

  Call to disable the global use of ExpandoMetaClass

### initialize

    public void initialize()

  Description copied from interface: `MetaClass`
  complete the initlialisation process. After this method is called no methods should be added to the meta class. Invocation of methods or access to fields/proeprties is forbidden unless this method is called. This method should contain any initialisation code, taking a longer time to complete. An example is the creation of the Reflector. It is suggested to synchronize this method.

  Specified by:
    `initialize` in interface `MetaClass`
  Overrides:
    `initialize` in class `MetaClassImpl`

### isInitialized

    protected boolean isInitialized()

  Checks if the meta class is initialized.

  Overrides:
    `isInitialized` in class `MetaClassImpl`
  See Also:
    `MetaClassImpl.isInitialized()`

### setInitialized

    protected void setInitialized(boolean b)

### invokeConstructor

    public Object invokeConstructor(Object[] arguments)

  Description copied from interface: `MetaObjectProtocol`
  Invokes a constructor for the given arguments. The MetaClass will attempt to pick the best argument which matches the types of the objects passed within the arguments array

  Specified by:
    `invokeConstructor` in interface `MetaObjectProtocol`
  Overrides:
    `invokeConstructor` in class `MetaClassImpl`
  Parameters:
    `arguments` - The arguments to the constructor
  Returns:
    An instance of the java.lang.Class that this MetaObjectProtocol object applies to

### getMetaClass

    public MetaClass getMetaClass()

  Description copied from interface: `GroovyObject`
  Returns the metaclass for a given class.

  Specified by:
    `getMetaClass` in interface `GroovyObject`
  Returns:
    the metaClass of this instance

### getProperty

    public Object getProperty(String property)

  Description copied from interface: `GroovyObject`
  Retrieves a property value.

  Specified by:
    `getProperty` in interface `GroovyObject`
  Parameters:
    `property` - the name of the property of interest
  Returns:
    the given property

### isValidExpandoProperty

    public static boolean isValidExpandoProperty(String property)

### invokeMethod

    public Object invokeMethod(String name,
                               Object args)

  Description copied from interface: `GroovyObject`
  Invokes the given method.

  Specified by:
    `invokeMethod` in interface `GroovyObject`
  Parameters:
    `name` - the name of the method to call
    `args` - the arguments to use for the method call
  Returns:
    the result of invoking the method

### setMetaClass

    public void setMetaClass(MetaClass metaClass)

  Description copied from interface: `GroovyObject`
  Allows the MetaClass to be replaced with a derived implementation.

  Specified by:
    `setMetaClass` in interface `GroovyObject`
  Parameters:
    `metaClass` - the new metaclass

### setProperty

    public void setProperty(String property,
                            Object newValue)

  Description copied from interface: `GroovyObject`
  Sets the given property to the new value.

  Specified by:
    `setProperty` in interface `GroovyObject`
  Parameters:
    `property` - the name of the property of interest
    `newValue` - the new value for the property

### define

    public ExpandoMetaClass define(Closure closure)

### performOperationOnMetaClass

    protected void performOperationOnMetaClass(groovy.lang.ExpandoMetaClass.Callable c)

### registerBeanProperty

    public void registerBeanProperty(String property,
                                     Object newValue)

  Registers a new bean property

  Parameters:
    `property` - The property name
    `newValue` - The properties initial value

### registerInstanceMethod

    public void registerInstanceMethod(MetaMethod metaMethod)

  Registers a new instance method for the given method name and closure on this MetaClass

  Parameters:
    `metaMethod` -

### registerInstanceMethod

    public void registerInstanceMethod(String name,
                                       Closure closure)

### getMethods

    public List<MetaMethod> getMethods()

  Overrides the behavior of parent getMethods() method to make MetaClass aware of added Expando methods

  Specified by:
    `getMethods` in interface `MetaClass`
  Specified by:
    `getMethods` in interface `MetaObjectProtocol`
  Overrides:
    `getMethods` in class `MetaClassImpl`
  Returns:
    A list of MetaMethods
  See Also:
    `MetaObjectProtocol.getMethods()`

### getProperties

    public List<MetaProperty> getProperties()

  Description copied from class: `MetaClassImpl`
  Get all the properties defined for this type

  Specified by:
    `getProperties` in interface `MetaClass`
  Specified by:
    `getProperties` in interface `MetaObjectProtocol`
  Overrides:
    `getProperties` in class `MetaClassImpl`
  Returns:
    a list of MetaProperty objects
  See Also:
    `MetaProperty`

### registerStaticMethod

    protected void registerStaticMethod(String name,
                                        Closure callable)

### registerStaticMethod

    protected void registerStaticMethod(String name,
                                        Closure callable,
                                        Class[] paramTypes)

  Registers a new static method for the given method name and closure on this MetaClass

  Parameters:
    `name` - The method name
    `callable` - The callable Closure

### getSubclassMetaMethods

    protected Object getSubclassMetaMethods(String methodName)

  Overrides:
    `getSubclassMetaMethods` in class `MetaClassImpl`

### getJavaClass

    public Class getJavaClass()

  Returns:
    The Java class enhanced by this MetaClass

### refreshInheritedMethods

    public void refreshInheritedMethods(Set modifiedSuperExpandos)

  Called from ExpandoMetaClassCreationHandle in the registry if it exists to set up inheritance handling

  Parameters:
    `modifiedSuperExpandos` - A list of modified super ExpandoMetaClass

### getExpandoMethods

    public List<MetaMethod> getExpandoMethods()

  Returns a list of expando MetaMethod instances added to this ExpandoMetaClass

  Returns:
    the expandoMethods

### getExpandoProperties

    public Collection<MetaProperty> getExpandoProperties()

  Returns a list of MetaBeanProperty instances added to this ExpandoMetaClass

  Returns:
    the expandoProperties

### invokeMethod

    public Object invokeMethod(Class sender,
                               Object object,
                               String methodName,
                               Object[] originalArguments,
                               boolean isCallToSuper,
                               boolean fromInsideClass)

  Overrides default implementation just in case invokeMethod has been overriden by ExpandoMetaClass

  Specified by:
    `invokeMethod` in interface `MetaClass`
  Overrides:
    `invokeMethod` in class `MetaClassImpl`
  Parameters:
    `sender` - The java.lang.Class instance that invoked the method
    `object` - The object which the method was invoked on
    `methodName` - The name of the method
    `originalArguments` - The arguments to the method
    `isCallToSuper` - Whether the method is a call to a super class method
    `fromInsideClass` - Whether the call was invoked from the inside or the outside of the class
  Returns:
    The return value of the method
  See Also:
    `MetaClassImpl.invokeMethod(Class, Object, String, Object[], boolean, boolean)`

### invokeStaticMethod

    public Object invokeStaticMethod(Object object,
                                     String methodName,
                                     Object[] arguments)

  Overrides default implementation just in case a static invoke method has been set on ExpandoMetaClass

  Specified by:
    `invokeStaticMethod` in interface `MetaObjectProtocol`
  Overrides:
    `invokeStaticMethod` in class `MetaClassImpl`
  Parameters:
    `object` - An instance of the class returned by the getTheClass() method or the class itself
    `methodName` - The name of the method
    `arguments` - The arguments to the method
  Returns:
    The return value of the method which is null if the return type is void
  See Also:
    `MetaClassImpl.invokeStaticMethod(Object, String, Object[])`

### getProperty

    public Object getProperty(Class sender,
                              Object object,
                              String name,
                              boolean useSuper,
                              boolean fromInsideClass)

  Overrides default implementation just in case getProperty method has been overridden by ExpandoMetaClass

  Specified by:
    `getProperty` in interface `MetaClass`
  Overrides:
    `getProperty` in class `MetaClassImpl`
  Parameters:
    `sender` - The java.lang.Class instance that requested the property
    `object` - The Object which the property is being retrieved from
    `name` - The name of the property
    `useSuper` - Whether the call is to a super class property
    `fromInsideClass` - ??
  Returns:
    the given property's value on the object
  See Also:
    `MetaClassImpl.getProperty(Class, Object, String, boolean, boolean)`

### getProperty

    public Object getProperty(Object object,
                              String name)

  Overrides default implementation just in case getProperty method has been overriden by ExpandoMetaClass

  Specified by:
    `getProperty` in interface `MetaObjectProtocol`
  Overrides:
    `getProperty` in class `MetaClassImpl`
  Parameters:
    `object` - An instance of the class returned by the getTheClass() method
    `name` - The name of the property to retrieve the value for
  Returns:
    The properties value
  See Also:
    `MetaClassImpl.getProperty(Object, String)`

### setProperty

    public void setProperty(Class sender,
                            Object object,
                            String name,
                            Object newValue,
                            boolean useSuper,
                            boolean fromInsideClass)

  Overrides default implementation just in case setProperty method has been overriden by ExpandoMetaClass

  Specified by:
    `setProperty` in interface `MetaClass`
  Overrides:
    `setProperty` in class `MetaClassImpl`
  Parameters:
    `sender` - The java.lang.Class instance that is mutating the property
    `object` - The Object which the property is being set on
    `name` - The name of the property
    `newValue` - The new value of the property to set
    `useSuper` - Whether the call is to a super class property
    `fromInsideClass` - ??
  See Also:
    `MetaClassImpl.setProperty(Class, Object, String, Object, boolean, boolean)`

### getMetaProperty

    public MetaProperty getMetaProperty(String name)

  Looks up an existing MetaProperty by name

  Specified by:
    `getMetaProperty` in interface `MetaObjectProtocol`
  Overrides:
    `getMetaProperty` in class `MetaClassImpl`
  Parameters:
    `name` - The name of the MetaProperty
  Returns:
    The MetaProperty or null if it doesn't exist
  See Also:
    `MetaObjectProtocol.getMetaProperty(String)`

### hasMetaProperty

    public boolean hasMetaProperty(String name)

  Returns true if the MetaClass has the given property

  Parameters:
    `name` - The name of the MetaProperty
  Returns:
    True it exists as a MetaProperty

### hasMetaMethod

    public boolean hasMetaMethod(String name,
                                 Class[] args)

  Checks whether a MetaMethod for the given name and arguments exists

  Parameters:
    `name` - The name of the MetaMethod
    `args` - The arguments to the meta method
  Returns:
    True if the method exists otherwise null

### getPropertyForSetter

    public String getPropertyForSetter(String setterName)

  Returns a property name equivalent for the given setter name or null if it is not a getter

  Parameters:
    `setterName` - The setter name
  Returns:
    The property name equivalent

### isSetter

    public boolean isSetter(String name,
                            CachedClass[] args)

### createPojoCallSite

    public CallSite createPojoCallSite(CallSite site,
                                       Object receiver,
                                       Object[] args)

  Overrides:
    `createPojoCallSite` in class `MetaClassImpl`

### createStaticSite

    public CallSite createStaticSite(CallSite site,
                                     Object[] args)

  Overrides:
    `createStaticSite` in class `MetaClassImpl`

### createPogoCallSite

    public CallSite createPogoCallSite(CallSite site,
                                       Object[] args)

  Overrides:
    `createPogoCallSite` in class `MetaClassImpl`

### createPogoCallCurrentSite

    public CallSite createPogoCallCurrentSite(CallSite site,
                                              Class sender,
                                              String name,
                                              Object[] args)

### createConstructorSite

    public CallSite createConstructorSite(CallSite site,
                                          Object[] args)

  Overrides:
    `createConstructorSite` in class `MetaClassImpl`

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