de.zmt.params.accessor

Interface DefinitionAccessor<V>

Type Parameters:

V - the type of value contained

All Known Implementing Classes:

MapAccessor, ReflectionAccessor

public interface DefinitionAccessor<V>

An accessor for parameters in a ParamDefinition. Used to change parameter values in an automated way without knowing the specific class.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	DefinitionAccessor.Identifier<T> An identifier wrapping a key object to get a value from a DefinitionAccessor.

Method Summary

Modifier and Type	Method and Description
V	get(DefinitionAccessor.Identifier<?> identifier) Gets the value the given identifier is pointing at.
Set<? extends DefinitionAccessor.Identifier<?>>	identifiers() Returns the set of identifiers associated with a value.
V	set(DefinitionAccessor.Identifier<?> identifier, Object value) Sets a value pointed at by a given identifier with a given one.

Method Detail

identifiers

Set<? extends DefinitionAccessor.Identifier<?>> identifiers()

Returns the set of identifiers associated with a value.

Returns:

the set of identifiers associated

get

V get(DefinitionAccessor.Identifier<?> identifier)

Gets the value the given identifier is pointing at.

Parameters:

identifier - the identifier to get the value for

Returns:

the value the given identifier is pointing at

Throws:

IllegalArgumentException - if the given identifier is invalid or null

NotAutomatable.IllegalAutomationException - if the given identifier cannot be automated

set

V set(DefinitionAccessor.Identifier<?> identifier,
      Object value)

Sets a value pointed at by a given identifier with a given one.

Parameters:

identifier - the identifier pointing to the value to be set

value - the value the identifier is to point at

Returns:

the previous value the identifier was pointing at

Throws:

IllegalArgumentException - if the given identifier is invalid or null

ClassCastException - if given value's type does not match V

NotAutomatable.IllegalAutomationException - if the given identifier cannot be automated