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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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 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.apache.aries.blueprint.di;
 * The IdRefRecipe is used to inject the reference name into the object (as a String).
 * The IdRefRecipe ensures the actual reference object exists before the reference name is injected. 
public class IdRefRecipe extends AbstractRecipe {
    private String idRef;
    public IdRefRecipe(String nameString idRef) {
        if (idRef == nullthrow new NullPointerException("idRef is null");
        this. = idRef;
    public String getIdRef() {
        return ;
    public List<RecipegetDependencies() {
        Recipe recipe = ExecutionContext.Holder.getContext().getRecipe();
        if (recipe != null) {
            return Collections.singletonList(recipe);
        } else {
            return Collections.emptyList();
    protected Object internalCreate() throws ComponentDefinitionException {
        ExecutionContext context = ExecutionContext.Holder.getContext();
        if (!context.containsObject()) {
            throw new NoSuchComponentException();
        return ;
    public String toString() {
        return "IdRefRecipe[" +
                "name='" +  + '\'' +
                ", idRef='" +  + '\'' +
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