/* * Copyright 2017-2020 original 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 * * https://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 io.micronaut.data.runtime.intercept; import edu.umd.cs.findbugs.annotations.NonNull; import io.micronaut.aop.MethodInvocationContext; import io.micronaut.data.intercept.FindByIdInterceptor; import io.micronaut.data.intercept.RepositoryMethodKey; import io.micronaut.data.operations.RepositoryOperations; import java.io.Serializable; /** * Default implementation that handles lookup by ID. * * @param <T> The declaring type. */ public class DefaultFindByIdInterceptor<T> extends AbstractQueryInterceptor<T, Object> implements FindByIdInterceptor<T> { /** * Default constructor. * @param datastore The operations */ public DefaultFindByIdInterceptor(@NonNull RepositoryOperations datastore) { super(datastore); } @Override public Object intercept(RepositoryMethodKey methodKey, MethodInvocationContext<T, Object> context) { Class<?> rootEntity = getRequiredRootEntity(context); Object id = context.getParameterValues()[0]; if (!(id instanceof Serializable)) { throw new IllegalArgumentException("Entity IDs must be serializable!"); } return operations.findOne(rootEntity, (Serializable) id); } }