@Override
protected List<Class<?>> stepsTypes() {
List<Class<?>> types = new ArrayList<Class<?>>();
for (ComponentAdapter<?> adapter : parent.getComponentAdapters()) {
if (hasAnnotatedMethods(adapter.getComponentImplementation())) {
types.add(adapter.getComponentImplementation());
}
}
return types;
}
/**
* Construct an AssimilatingBehavior. The <code>type</code> may not implement the type of the
* component instance. If the component instance <b>does</b> implement the interface, no proxy is
* used though.
*
* @param type The class type used as key.
* @param delegate The delegated {@link ComponentAdapter}.
* @param proxyFactory The {@link ProxyFactory} to use.
* @throws PicoCompositionException Thrown if the <code>type</code> is not compatible and cannot
* be proxied.
*/
public AssimilatingBehavior(
final Class type, final ComponentAdapter delegate, final ProxyFactory proxyFactory)
throws PicoCompositionException {
super(delegate);
this.type = type;
this.proxyFactory = proxyFactory;
final Class delegationType = delegate.getComponentImplementation();
this.isCompatible = type.isAssignableFrom(delegationType);
if (!isCompatible) {
if (!proxyFactory.canProxy(type)) {
throw new PicoCompositionException("Cannot create proxy for type " + type.getName());
}
final Method[] methods = type.getMethods();
for (final Method method : methods) {
try {
delegationType.getMethod(method.getName(), method.getParameterTypes());
} catch (final NoSuchMethodException e) {
throw new PicoCompositionException(
"Cannot create proxy for type "
+ type.getName()
+ ", because of incompatible method "
+ method.toString());
}
}
}
}
public Object remove(final Object o) {
ComponentAdapter adapter = mutablePicoContainer.removeComponent(o);
if (adapter != null) {
// if previously an instance was registered, return it, otherwise return the type
return adapter instanceof InstanceAdapter
? adapter.getComponentInstance(mutablePicoContainer, ComponentAdapter.NOTHING.class)
: adapter.getComponentImplementation();
} else {
return null;
}
}
@Override
public Class<?> apply(ComponentAdapter<?> input) {
return input.getComponentImplementation();
}