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## groovy.lang
[Java] Class ExpandoMetaClassCreationHandle

    java.lang.Object
      groovy.lang.MetaClassRegistry.MetaClassCreationHandle
          groovy.lang.ExpandoMetaClassCreationHandle

    public class ExpandoMetaClassCreationHandle
    extends MetaClassCreationHandle

A handle for the MetaClassRegistry that changes all classes loaded into the Grails VM to use ExpandoMetaClass instances

The handle should be registered with the Groovy runtime before Groovy loads, for example in your main method. `GroovySystem.metaClassRegistry.metaClassCreationHandle = new ExpandoMetaClassCreationHandle()`

Authors:
  Graeme Rocher

See Also:
  MetaClassRegistry
  groovy.lang.MetaClassRegistry.MetaClassCreationHandle
  MetaClassRegistryImpl.setMetaClassCreationHandle

Since:
  1.5

Field Summary
`static ExpandoMetaClassCreationHandle` | `instance`

Method Summary
`protected MetaClass` | `createNormalMetaClass(java.lang.Class theClass, MetaClassRegistry registry)`
`static void` | `disable()`
`static void` | `enable()`
`boolean` | `hasModifiedMetaClass(ExpandoMetaClass emc)`
`void` | `registerModifiedMetaClass(ExpandoMetaClass emc)` Registers a modified ExpandoMetaClass with the creation handle

Field Detail

### instance

    public static final ExpandoMetaClassCreationHandle instance

Method Detail

### createNormalMetaClass

    protected MetaClass createNormalMetaClass(java.lang.Class theClass, MetaClassRegistry registry)

### disable

    public static void disable()

### enable

    public static void enable()

  Enables the ExpandoMetaClassCreationHandle with the registry `ExpandoMetaClassCreationHandle.enable();`

### hasModifiedMetaClass

    public boolean hasModifiedMetaClass(ExpandoMetaClass emc)

### registerModifiedMetaClass

    public void registerModifiedMetaClass(ExpandoMetaClass emc)

  Registers a modified ExpandoMetaClass with the creation handle
  Parameters:
    `emc` - The EMC

Groovy Documentation