Provides utility methods for working with the Groovy MetaClass API.
Type Params | Return Type | Name and description |
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static void |
copyExpandoMetaClass(java.lang.Class<?> fromClass, java.lang.Class<?> toClass, boolean removeSource) Copies the ExpandoMetaClass dynamic methods and properties from one Class to another. |
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static groovy.lang.ExpandoMetaClass |
getExpandoMetaClass(java.lang.Class<?> aClass) |
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static groovy.lang.MetaClass |
getMetaClass(java.lang.Object instance) |
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static java.lang.Object |
getPropertyIfExists(java.lang.Object instance, java.lang.String property) Obtains a property of an instance if it exists |
<T> |
static T |
getPropertyIfExists(java.lang.Object instance, java.lang.String property, java.lang.Class<T> requiredType) Obtains a property of an instance if it exists |
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static groovy.lang.MetaClassRegistry |
getRegistry() Retrieves the MetaClassRegistry instance. |
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static java.lang.Object |
invokeMethodIfExists(java.lang.Object instance, java.lang.String methodName) Invokes a method if it exists otherwise returns null |
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static java.lang.Object |
invokeMethodIfExists(java.lang.Object instance, java.lang.String methodName, java.lang.Object[] args) Invokes a method if it exists otherwise returns null |
Methods inherited from class | Name |
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class java.lang.Object |
java.lang.Object#wait(long, int), java.lang.Object#wait(long), java.lang.Object#wait(), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll() |
Copies the ExpandoMetaClass dynamic methods and properties from one Class to another.
fromClass
- The source classtoClass
- The destination classremoveSource
- Whether to remove the source class after completion. True if yesObtains a property of an instance if it exists
instance
- The instanceproperty
- The propertyObtains a property of an instance if it exists
instance
- The instanceproperty
- The propertyrequiredType
- The required type of the propertyRetrieves the MetaClassRegistry instance.
Invokes a method if it exists otherwise returns null
instance
- The instancemethodName
- The method nameInvokes a method if it exists otherwise returns null
instance
- The instancemethodName
- The method nameargs
- The arguments