/*
* Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.ioc.client.container;
import static org.jboss.errai.ioc.client.container.Factory.maybeUnwrapProxy;
import java.lang.annotation.Annotation;
import java.util.Optional;
import javax.enterprise.context.Dependent;
import org.jboss.errai.ioc.client.api.ScopeContext;
/**
* The {@link Context} implementation for all {@link Dependent} scoped beans.
* Unlike other scopes, beans which have no explicit scope will be considered
* dependent. Therefore some beans will be registered with this scope that do
* not actually have the {@link Dependent} annotation.
*
* @author Max Barkley <mbarkley@redhat.com>
*/
@ScopeContext({Dependent.class})
public class DependentScopeContext extends AbstractContext implements HasContextualInstanceSupport {
@Override
public Class<? extends Annotation> getScope() {
return Dependent.class;
}
@Override
public boolean isActive() {
return true;
}
@Override
public boolean handlesScope(final Class<? extends Annotation> scope) {
return Dependent.class.equals(scope);
}
@Override
protected <T> T getActiveInstance(final String factoryName) {
return null;
}
@Override
protected boolean hasActiveInstance(final String factoryName) {
return false;
}
@Override
protected boolean isCurrentlyCreatingActiveInstance(final String factoryName) {
/**
* Even if a factory of a dependent-scoped bean is creating an instance, that instance is never re-used so we return
* false here.
*/
return false;
}
@Override
public Optional<HasContextualInstanceSupport> withContextualInstanceSupport() {
return Optional.ofNullable(this);
}
@Override
public <T> T getContextualInstance(final String factoryName, final Class<?>[] typeArgs, final Annotation[] qualifiers) {
final Factory<T> factory = this.<T>getFactory(factoryName);
final T instance = factory.createContextualInstance(getContextManager(), typeArgs, qualifiers);
registerInstance(maybeUnwrapProxy(instance), factory);
return instance;
}
@Override
protected void afterDestroyInstance(final Object instance) {
if (instance instanceof Proxy) removeProxy(instance);
}
}