org.springframework.beans.factory.BeanFactoryExtensions.kt Maven / Gradle / Ivy
/*
* Copyright 2002-2018 the original author or authors.
*
* 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.springframework.beans.factory
import org.springframework.core.ParameterizedTypeReference
import org.springframework.core.ResolvableType
/**
* Extension for [BeanFactory.getBean] providing a `getBean()` variant.
*
* @author Sebastien Deleuze
* @since 5.0
*/
inline fun BeanFactory.getBean(): T = getBean(T::class.java)
/**
* Extension for [BeanFactory.getBean] providing a `getBean("foo")` variant.
*
* @see BeanFactory.getBean(String, Class)
* @author Sebastien Deleuze
* @since 5.0
*/
@Suppress("EXTENSION_SHADOWED_BY_MEMBER")
inline fun BeanFactory.getBean(name: String): T =
getBean(name, T::class.java)
/**
* Extension for [BeanFactory.getBean] providing a `getBean(arg1, arg2)` variant.
*
* @see BeanFactory.getBean(Class, Object...)
* @author Sebastien Deleuze
* @since 5.0
*/
inline fun BeanFactory.getBean(vararg args:Any): T =
getBean(T::class.java, *args)
/**
* Extension for [BeanFactory.getBeanProvider] providing a `getBeanProvider()` variant.
* This extension is not subject to type erasure and retains actual generic type arguments.
*
* @see BeanFactory.getBeanProvider(ResolvableType)
* @author Sebastien Deleuze
* @since 5.1
*/
inline fun BeanFactory.getBeanProvider(): ObjectProvider =
getBeanProvider(ResolvableType.forType((object : ParameterizedTypeReference() {}).type))