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* JBoss, Home of Professional Open Source
* Copyright 2016, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 javax.enterprise.inject.spi.configurator;
import java.lang.annotation.Annotation;
import java.util.Set;
import java.util.function.Predicate;
import java.util.stream.Stream;
import javax.enterprise.inject.spi.AfterTypeDiscovery;
import javax.enterprise.inject.spi.AnnotatedConstructor;
import javax.enterprise.inject.spi.AnnotatedField;
import javax.enterprise.inject.spi.AnnotatedMethod;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeforeBeanDiscovery;
import javax.enterprise.inject.spi.ProcessAnnotatedType;
/**
* <p>
* This API is a helper to configure a new {@link AnnotatedType} instance. The container must provide an implementation of
* this interface.
* </p>
*
* <p>
* AnnotatedTypeConfigurator is not reusable.
* <p>
*
* <p>
* This configurator is not thread safe and shall not be used concurrently.
* </p>
*
* @see BeforeBeanDiscovery#addAnnotatedType(Class, String)
* @see AfterTypeDiscovery#addAnnotatedType(Class, String)
* @see ProcessAnnotatedType#configureAnnotatedType()
* @param <T> the class represented by the configured AnnotatedType
* @author Martin Kouba
* @author Antoine Sabot-Durand
* @since 2.0
*/
public interface AnnotatedTypeConfigurator<T> {
/**
*
* @return the original {@link AnnotatedType}
*/
AnnotatedType<T> getAnnotated();
/**
* Add an annotation to the type.
*
* @param annotation the annotation to add
* @return self
*/
AnnotatedTypeConfigurator<T> add(Annotation annotation);
/**
* Remove annotations that match the specified predicate.
*
* <p>
* Example predicates:</code>
* </p>
*
* <pre>
* {@code
* // To remove all the annotations:
* (a) -> true
*
* // To remove annotations with a concrete annotation type:
* (a) -> a.annotationType().equals(Foo.class)
*
* // To remove annotation equal to a specified object:
* (a) -> a.equals(fooAnnotation)
*
* // To remove annotations that are considered equivalent for the purposes of typesafe resolution:
* (a) -> beanManager.areQualifiersEquivalent(a, fooQualifier)
* (a) -> beanManager.areInterceptorBindingsEquivalent(a, fooInterceptorBinding)
* }
* </pre>
*
* @param predicate {@link Predicate} used to filter annotations to remove
* @return self
*/
AnnotatedTypeConfigurator<T> remove(Predicate<Annotation> predicate);
/**
* Remove all the annotations.
*
* @return self
*/
default AnnotatedTypeConfigurator<T> removeAll() {
return remove((a) -> true);
}
/**
*
* @return an immutable set of {@link AnnotatedMethodConfigurator}s reflecting the {@link AnnotatedType#getMethods()}
*/
Set<AnnotatedMethodConfigurator<? super T>> methods();
/**
* @param predicate Testing the original {@link AnnotatedMethod}
* @return a sequence of {@link AnnotatedMethodConfigurator}s matching the given predicate
* @see AnnotatedMethodConfigurator#getAnnotated()
*/
default Stream<AnnotatedMethodConfigurator<? super T>> filterMethods(Predicate<AnnotatedMethod<? super T>> predicate) {
return methods().stream().filter(c -> predicate.test(c.getAnnotated()));
}
/**
*
* @return an immutable set of {@link AnnotatedFieldConfigurator}s reflecting the {@link AnnotatedType#getFields()}
*/
Set<AnnotatedFieldConfigurator<? super T>> fields();
/**
* @param predicate Testing the original {@link AnnotatedField}
* @return a sequence of {@link AnnotatedFieldConfigurator}s matching the given predicate
* @see AnnotatedFieldConfigurator#getAnnotated()
*/
default Stream<AnnotatedFieldConfigurator<? super T>> filterFields(Predicate<AnnotatedField<? super T>> predicate) {
return fields().stream().filter(f -> predicate.test(f.getAnnotated()));
}
/**
*
* @return an immutable set of {@link AnnotatedConstructorConfigurator}s reflecting the
* {@link AnnotatedType#getConstructors()}
*/
Set<AnnotatedConstructorConfigurator<T>> constructors();
/**
*
* @param predicate Testing the original {@link AnnotatedConstructor}
* @return a sequence of {@link AnnotatedConstructorConfigurator}s matching the given predicate
* @see AnnotatedConstructorConfigurator#getAnnotated()
*/
default Stream<AnnotatedConstructorConfigurator<T>> filterConstructors(Predicate<AnnotatedConstructor<T>> predicate) {
return constructors().stream().filter(c -> predicate.test(c.getAnnotated()));
}
}