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Data Repository Support for Micronaut

There is a newer version: 4.10.5

/*
 * 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.jpa.repository.intercept;

import io.micronaut.aop.MethodInvocationContext;
import io.micronaut.core.annotation.Internal;
import io.micronaut.core.annotation.NonNull;
import io.micronaut.data.intercept.DataInterceptor;
import io.micronaut.data.intercept.RepositoryMethodKey;
import io.micronaut.data.jpa.operations.JpaRepositoryOperations;
import io.micronaut.data.operations.RepositoryOperations;
import io.micronaut.data.runtime.intercept.AbstractQueryInterceptor;

import java.util.Arrays;

/**
 * Interceptor for Load.
 *
 * @param  the entity type
 * @author mitchjust
 */
@Internal
public final class LoadInterceptor extends AbstractQueryInterceptor implements DataInterceptor {

    /**
     * Default constructor.
     *
     * @param operations The operations
     */
    LoadInterceptor(@NonNull RepositoryOperations operations) {
        super(operations);
    }

    @Override
    public T intercept(RepositoryMethodKey methodKey, MethodInvocationContext context) {
        Object id = Arrays.stream(context.getParameterValues())
                .findFirst()
                .orElseThrow(() -> new IllegalArgumentException("id argument cannot be null"));

        Class returnType = context.getReturnType().getType();

        return ((JpaRepositoryOperations) operations).load(returnType, id);
    }
}