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Add JavaDSL for
ReactiveMongoDbMessageSource
* Implement `ReactiveMongoDbMessageSourceSpec` and factories for it * Rework `ReactiveMongoDbMessageSourceTests` to use new Java DSL for `ReactiveMongoDbMessageSource` * Document changes
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...in/java/org/springframework/integration/mongodb/dsl/ReactiveMongoDbMessageSourceSpec.java
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| /* | ||
| * Copyright 2020 the original author or 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. | ||
| */ | ||
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| package org.springframework.integration.mongodb.dsl; | ||
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| import java.util.function.Supplier; | ||
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| import org.springframework.data.mongodb.ReactiveMongoDatabaseFactory; | ||
| import org.springframework.data.mongodb.core.ReactiveMongoOperations; | ||
| import org.springframework.data.mongodb.core.convert.MongoConverter; | ||
| import org.springframework.data.mongodb.core.query.Query; | ||
| import org.springframework.expression.Expression; | ||
| import org.springframework.expression.common.LiteralExpression; | ||
| import org.springframework.integration.dsl.MessageSourceSpec; | ||
| import org.springframework.integration.expression.SupplierExpression; | ||
| import org.springframework.integration.mongodb.inbound.ReactiveMongoDbMessageSource; | ||
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| /** | ||
| * A {@link MessageSourceSpec} implementation for a {@link ReactiveMongoDbMessageSource}. | ||
| * | ||
| * @author Artem Bilan | ||
| * | ||
| * @since 5.3 | ||
| */ | ||
| public class ReactiveMongoDbMessageSourceSpec | ||
| extends MessageSourceSpec<ReactiveMongoDbMessageSourceSpec, ReactiveMongoDbMessageSource> { | ||
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| ReactiveMongoDbMessageSourceSpec(ReactiveMongoDatabaseFactory reactiveMongoDatabaseFactory, | ||
| Expression queryExpression) { | ||
| this.target = new ReactiveMongoDbMessageSource(reactiveMongoDatabaseFactory, queryExpression); | ||
| } | ||
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| ReactiveMongoDbMessageSourceSpec(ReactiveMongoOperations reactiveMongoTemplate, Expression queryExpression) { | ||
| this.target = new ReactiveMongoDbMessageSource(reactiveMongoTemplate, queryExpression); | ||
| } | ||
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| /** | ||
| * Allow you to set the type of the entityClass that will be passed to the | ||
| * {@link ReactiveMongoOperations#find(Query, Class)} or {@link ReactiveMongoOperations#findOne(Query, Class)} | ||
| * method. | ||
| * Default is {@link com.mongodb.DBObject}. | ||
| * @param entityClass The entity class. | ||
| * @return the spec | ||
| * @see ReactiveMongoDbMessageSource#setEntityClass(Class) | ||
| */ | ||
| public ReactiveMongoDbMessageSourceSpec entityClass(Class<?> entityClass) { | ||
| this.target.setEntityClass(entityClass); | ||
| return this; | ||
| } | ||
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| /** | ||
| * Allow you to manage which find* method to invoke on {@link ReactiveMongoOperations}. | ||
| * @param expectSingleResult true if a single result is expected. | ||
| * @return the spec | ||
| * @see ReactiveMongoDbMessageSource#setExpectSingleResult(boolean) | ||
| */ | ||
| public ReactiveMongoDbMessageSourceSpec expectSingleResult(boolean expectSingleResult) { | ||
| this.target.setExpectSingleResult(expectSingleResult); | ||
| return this; | ||
| } | ||
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| /** | ||
| * Configure a collection name to query against. | ||
| * @param collectionName the name of the MongoDb collection | ||
| * @return the spec | ||
| */ | ||
| public ReactiveMongoDbMessageSourceSpec collectionName(String collectionName) { | ||
| return collectionNameExpression(new LiteralExpression(collectionName)); | ||
| } | ||
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| /** | ||
| * Configure a SpEL expression to evaluation a collection name on each {@code receive()} call. | ||
| * @param collectionNameExpression the SpEL expression for name of the MongoDb collection | ||
| * @return the spec | ||
| */ | ||
| public ReactiveMongoDbMessageSourceSpec collectionNameExpression(String collectionNameExpression) { | ||
| return collectionNameExpression(PARSER.parseExpression(collectionNameExpression)); | ||
| } | ||
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| /** | ||
| * Configure a {@link Supplier} to obtain a collection name on each {@code receive()} call. | ||
| * @param collectionNameSupplier the {@link Supplier} for name of the MongoDb collection | ||
| * @return the spec | ||
| */ | ||
| public ReactiveMongoDbMessageSourceSpec collectionNameSupplier(Supplier<String> collectionNameSupplier) { | ||
| return collectionNameExpression(new SupplierExpression<>(collectionNameSupplier)); | ||
| } | ||
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| /** | ||
| * Configure a SpEL expression to evaluation a collection name on each {@code receive()} call. | ||
| * @param collectionNameExpression the SpEL expression for name of the MongoDb collection | ||
| * @return the spec | ||
| * @see ReactiveMongoDbMessageSource#setCollectionNameExpression(Expression) | ||
| */ | ||
| public ReactiveMongoDbMessageSourceSpec collectionNameExpression(Expression collectionNameExpression) { | ||
| this.target.setCollectionNameExpression(collectionNameExpression); | ||
| return this; | ||
| } | ||
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| /** | ||
| * Configure a custom {@link MongoConverter} used to assist in deserialization | ||
| * data read from MongoDb. Only allowed if this instance was constructed with a | ||
| * {@link ReactiveMongoDatabaseFactory}. | ||
| * @param mongoConverter The mongo converter. | ||
| * @return the spec | ||
| * @see ReactiveMongoDbMessageSource#setMongoConverter(MongoConverter) | ||
| */ | ||
| public ReactiveMongoDbMessageSourceSpec mongoConverter(MongoConverter mongoConverter) { | ||
| this.target.setMongoConverter(mongoConverter); | ||
| return this; | ||
| } | ||
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| } |
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