Java tutorial
/* * Copyright (C) 2016 The Dagger 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 dagger.internal.codegen; import com.google.auto.common.BasicAnnotationProcessor.ProcessingStep; import com.google.auto.common.MoreElements; import com.google.common.collect.ImmutableSet; import com.google.common.collect.SetMultimap; import dagger.producers.ProductionComponent; import dagger.producers.ProductionSubcomponent; import java.lang.annotation.Annotation; import java.util.Set; import javax.annotation.processing.Messager; import javax.lang.model.element.Element; /** * A processing step that is responsible for generating a special module for a * {@link ProductionComponent} or {@link ProductionSubcomponent}. */ final class ProductionExecutorModuleProcessingStep implements BasicProcessor.ProcessingStep { private final Messager messager; private final ProductionExecutorModuleGenerator productionExecutorModuleGenerator; ProductionExecutorModuleProcessingStep(Messager messager, ProductionExecutorModuleGenerator productionExecutorModuleGenerator) { this.messager = messager; this.productionExecutorModuleGenerator = productionExecutorModuleGenerator; } @Override public Set<? extends Class<? extends Annotation>> annotations() { return ImmutableSet.of(ProductionComponent.class, ProductionSubcomponent.class); } @Override public Set<Element> process(SetMultimap<Class<? extends Annotation>, Element> elementsByAnnotation, boolean anyElementsRejected) { for (Element element : elementsByAnnotation.values()) { productionExecutorModuleGenerator.generate(MoreElements.asType(element), messager); } return ImmutableSet.of(); } }