Package org.eclipse.epsilon.eol.execute.introspection

Interface IPropertyGetter

All Known Implementing Classes:

AbstractPropertyGetter, ExtendedPropertyGetter, JavaPropertyGetter, ModelGroup.DelegatingModelElementPropertyGetter, TuplePropertyGetter

public interface IPropertyGetter

Method Summary

Modifier and Type	Method	Description
default Object	hasProperty(Object object, String property)	This method is provided for backwards compatibility and convenience.
default boolean	hasProperty(Object object, String property, IEolContext context)	Convenience method for checking whether a property exists.
default Object	invoke(Object object, String property)	This method is provided for backwards compatibility and convenience.
Object	invoke(Object object, String property, IEolContext context)	Invokes a property on a model element.

Method Detail

invoke

Object invoke(Object object,
              String property,
              IEolContext context)
       throws EolRuntimeException

Invokes a property on a model element.

Parameters:

object - The model element.

property - The property name of the model element.

context - The execution context.

Returns:

The value of the requested property.

Throws:

EolIllegalPropertyException - If the property could not be found.

EolRuntimeException - If an exception occurs when querying the model for the property.

Since:

1.6

hasProperty

default boolean hasProperty(Object object,
                            String property,
                            IEolContext context)

Convenience method for checking whether a property exists.

Parameters:

object - The model element.

property - The property name of the model element.

ast - Where this is being called from.

context - The execution context.

Returns:

true if the property exists, false otherwise.

Since:

1.6

invoke

default Object invoke(Object object,
                      String property)
               throws EolRuntimeException

This method is provided for backwards compatibility and convenience. Implementations should override the invoke(Object, String, IEolContext) method. Callers should prefer the invoke(Object, String, IEolContext) method where possible.

Parameters:

object -

property -

Returns:

Throws:

EolRuntimeException

hasProperty

default Object hasProperty(Object object,
                           String property)

This method is provided for backwards compatibility and convenience. Implementations should override the hasProperty(Object, String, IEolContext) method. Callers should prefer the hasProperty(Object, String, IEolContext) method where possible.

Parameters:

object -

property -

Returns: