2 * Copyright © 2019 IBM.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.onap.ccsdk.cds.controllerblueprints.core.service
19 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
20 import org.springframework.context.ApplicationContext
21 import kotlin.reflect.KClass
24 * Generic Bluepring Dependency Service, which will be used mainly in scripts.
25 * This will be initialised only once during the Application startup.
26 * Function modules, shall add their own dependency function names as an extension function.
28 * @author Brinda Santh
31 object BluePrintDependencyService {
33 lateinit var applicationContext: ApplicationContext
35 fun inject(applicationContext: ApplicationContext) {
36 BluePrintDependencyService.applicationContext = applicationContext
39 inline fun <reified T> instance(name: String): T {
40 return applicationContext.getBean(name) as? T
41 ?: throw BluePrintProcessorException("failed to get instance($name)")
44 inline fun <reified T> instance(type: Class<T>): T {
45 return applicationContext.getBean(type)
46 ?: throw BluePrintProcessorException("failed to get instance($type)")
49 inline fun <reified T> instance(type: KClass<*>): T {
50 return applicationContext.getBean(type.java) as? T
51 ?: throw BluePrintProcessorException("failed to get instance($type)")