io.micronaut.data.runtime.intercept.async.DefaultFindAllAsyncInterceptor Maven / Gradle / Ivy

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/*
 * 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.async;

import edu.umd.cs.findbugs.annotations.NonNull;
import io.micronaut.aop.MethodInvocationContext;
import io.micronaut.core.convert.ConversionService;
import io.micronaut.core.type.Argument;
import io.micronaut.data.annotation.Query;
import io.micronaut.data.intercept.RepositoryMethodKey;
import io.micronaut.data.operations.RepositoryOperations;
import io.micronaut.data.intercept.async.FindAllAsyncInterceptor;
import io.micronaut.data.model.runtime.PreparedQuery;

import java.util.Collections;
import java.util.concurrent.CompletionStage;
import java.util.function.Function;

/**
 * The default implementation of {@link FindAllAsyncInterceptor}.
 *
 * @param  The declaring type
 * @author graemerocher
 * @since 1.0.0
 */
public class DefaultFindAllAsyncInterceptor extends AbstractAsyncInterceptor> implements FindAllAsyncInterceptor {
    /**
     * Default constructor.
     *
     * @param datastore The operations
     */
    protected DefaultFindAllAsyncInterceptor(@NonNull RepositoryOperations datastore) {
        super(datastore);
    }

    @SuppressWarnings("unchecked")
    @Override
    public CompletionStage> intercept(RepositoryMethodKey methodKey, MethodInvocationContext>> context) {
        CompletionStage> future;
        if (context.hasAnnotation(Query.class)) {
            PreparedQuery preparedQuery = prepareQuery(methodKey, context);
            future = asyncDatastoreOperations.findAll(preparedQuery);

        } else {
            future = asyncDatastoreOperations.findAll(getPagedQuery(context));
        }
        return future.thenApply((Function, Iterable