Inherited by AbstractExtractor
[virtual], and NullImplementation::NullValueExtractor
List of all members.
Important Note: all classes that implement the ValueExtractor interface must explicitly implement the Object::hashCode() and Object::equals methods in a way that is based solely on the object's serializable state.
|ValueExtractor Handle definition. |
|ValueExtractor View definition. |
|ValueExtractor Holder definition. |
Public Member Functions
|virtual Object::Holder||extract (Object::Holder ohTarget) const =0|
|Extract the value from the passed object. |
Extract the value from the passed object.
The returned value may be NULL.
|ohTarget||an Object to retrieve the value from|
|ClassCastException||if this ValueExtractor is incompatible with the passed object to extract a value from and the implementation requires the passed object to be of a certain type|
|Exception||if this ValueExtractor encounters an exception in the course of extracting the value|
|IllegalArgumentException||if this ValueExtractor cannot handle the passed object for any other reason; an implementor should include a descriptive message|
Implemented in AbstractExtractor, ChainedExtractor, ComparisonValueExtractor, IdentityExtractor, KeyExtractor, MultiExtractor, ReflectionExtractor, TypedExtractor, and TypedExtractor< RH::ValueType::BoxedType, C, M, coherence::lang::BoxHandle< RH::ValueType >, OH >.