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 * JBoss, Home of Professional Open Source
 * Copyright 2015, 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.lang.reflect.Type;
import java.util.Set;
import java.util.function.BiConsumer;
import java.util.function.Function;

import javax.enterprise.context.spi.Contextual;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.Instance;
import javax.enterprise.inject.spi.AfterBeanDiscovery;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanAttributes;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.enterprise.inject.spi.PassivationCapable;
import javax.enterprise.util.TypeLiteral;

/**
 * This API is an helper to configure a new {@link Bean} instance.
 * CDI container must provides an implementation of this interface.
 *
 * This builder is not thread safe and shall not be used concurrently.
 *
 * @see AfterBeanDiscovery#addBean()
 * @author Martin Kouba
 * @author Antoine Sabot-Durand
 * @param  the class of the bean instance
 * @since 2.0
 */
public interface BeanConfigurator {

    /**
     * Set the class of the configured Bean.
     * If not set, the extension class is used.
     *
     * @param beanClass class of the configured bean
     * @return self
     */
    BeanConfigurator beanClass(Class beanClass);

    /**
     * Add an InjectionPoint to the configured bean
     *
     * @param injectionPoint the injectionPoint to add
     * @return self
     */
    BeanConfigurator addInjectionPoint(InjectionPoint injectionPoint);

    /**
     * Add InjectionPoints to the configured bean
     *
     * @param injectionPoints the injectionPoints to add
     * @return self
     */
    BeanConfigurator addInjectionPoints(InjectionPoint... injectionPoints);

    /**
     * Add InjectionPoints to the configured bean
     *
     * @param injectionPoints the injectionPoints to add
     * @return self
     */
    BeanConfigurator addInjectionPoints(Set injectionPoints);

    /**
     * Replace InjectionPoints for the configured bean
     *
     * @param injectionPoints the injectionPoints for the configured bean
     * @return self
     */
    BeanConfigurator injectionPoints(InjectionPoint... injectionPoints);

    /**
     * Replace InjectionPoints for the configured bean
     *
     * @param injectionPoints the injectionPoints for the configured bean
     * @return self
     */
    BeanConfigurator injectionPoints(Set injectionPoints);

    /**
     * Make the configured bean implements {@link PassivationCapable} and its Id for passivation.
     *
     *
     * @param id for
     * @see PassivationCapable#getId()
     * @return self
     */
    BeanConfigurator id(String id);

    /**
     * Set a callback to create a bean instance.
     *
     * @param callback the callback to create the instance
     * @return self
     * @see Contextual#create(CreationalContext)
     */
     BeanConfigurator createWith(Function, U> callback);

    /**
     * Set a callback to create a bean instance.
     * 

* The {@link Instance} argument might be used to simulate producer method parameter injection. However, dependent scoped * bean instances obtained from {@link Instance} during the callback execution remain managed until the produced bean * instance is destroyed. Therefore, applications are encouraged to always destroy unneeded dependent scoped bean instances * obtained from {@link Instance}. * * @param callback the callback to create the instance * @return self */ BeanConfigurator produceWith(Function, U> callback); /** * Set a callback to destroy a bean instance. *

* If no destroy callback is specified, a NOOP callback is automatically set. * * @param callback the callback to destroy the instance * @return self */ BeanConfigurator destroyWith(BiConsumer> callback); /** * Set a callback to destroy a bean instance. *

* If no dispose callback is specified, a NOOP callback is automatically set. *

* The {@link Instance} argument might be used to simulate disposer method parameter injection. All dependent scoped bean * instances obtained from {@link Instance} during the callback execution are destroyed when the execution completes. * * @param callback the callback to dispose the instance * @return self */ BeanConfigurator disposeWith(BiConsumer> callback); /** * Read the information from the given annotated type. All relevant information is overwritten. * * @param type class to read information from * @return self */ BeanConfigurator read(AnnotatedType type); /** * Read the information from the given bean attributes. All relevant information is overwritten. * * @param beanAttributes beanAttributes to read information from * @return self */ BeanConfigurator read(BeanAttributes beanAttributes); /** * Add a type to the bean types * * @param type the type to add * @return self */ BeanConfigurator addType(Type type); /** * Add a type to the bean types * * @param typeLiteral the type to add * @return self */ BeanConfigurator addType(TypeLiteral typeLiteral); /** * Add types to the bean types * * @param types types to add * @return self */ BeanConfigurator addTypes(Type... types); /** * Add types to the bean types * * @param types types to add * @return self */ BeanConfigurator addTypes(Set types); /** * Adds an unrestricted set of bean types for the given type as if it represented a bean class of a managed bean. * Illegal bean types are omitted. * * @param type to build the closure from * @return self */ BeanConfigurator addTransitiveTypeClosure(Type type); /** * Replace bean types * * @param types the types of the configured bean * @return self */ BeanConfigurator types(Type... types); /** * Replace bean types * * @param types the types of the configured bean * @return self */ BeanConfigurator types(Set types); /** * Replace Bean scope * * @param scope new scope for the configured bean * @return self */ BeanConfigurator scope(Class scope); /** * Add a qualifier to the configured bean * * @param qualifier qualifier to add * @return self */ BeanConfigurator addQualifier(Annotation qualifier); /** * Add qualifiers to the bean. * * @param qualifiers qualifiers to add * @return self */ BeanConfigurator addQualifiers(Annotation... qualifiers); /** * Add qualifiers to the bean. * * @param qualifiers qualifiers to add * @return self */ BeanConfigurator addQualifiers(Set qualifiers); /** * Replace all qualifiers. * * @param qualifiers qualifiers for the build bean * @return self */ BeanConfigurator qualifiers(Annotation... qualifiers); /** * Replace all qualifiers. * * @param qualifiers for the configured bean * @return self */ BeanConfigurator qualifiers(Set qualifiers); /** * Add a stereotype to the configured bean * * @param stereotype stereotype to add * @return self */ BeanConfigurator addStereotype(Class stereotype); /** * Add stereotypes to the configured bean * * @param stereotypes stereotypes to add * @return self */ BeanConfigurator addStereotypes(Set> stereotypes); /** * Replace stereotypes on the configured bean * * @param stereotypes for the configured bean * @return self */ BeanConfigurator stereotypes(Set> stereotypes); /** * Set the name of the configured bean * * @param name name for the configured bean * @return self */ BeanConfigurator name(String name); /** * Change the alternative status of the configured bean. * By default the configured bean is not an alternative. * * @param value value for alternative property * @return self */ BeanConfigurator alternative(boolean value); }