org.springframework.cloud.gcp.data.datastore.repository.config.EnableDatastoreRepositories Maven / Gradle / Ivy
/*
* Copyright 2017-2018 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.
*/
package org.springframework.cloud.gcp.data.datastore.repository.config;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.springframework.cloud.gcp.data.datastore.repository.support.DatastoreRepositoryFactoryBean;
import org.springframework.context.annotation.ComponentScan.Filter;
import org.springframework.context.annotation.Import;
import org.springframework.data.repository.config.DefaultRepositoryBaseClass;
/**
* Annotation that enables the instantiation of Datastore repositories.
*
* @author Chengyuan Zhao
*
* @since 1.1
*/
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Inherited
@Documented
@Import(DatastoreRepositoriesRegistrar.class)
public @interface EnableDatastoreRepositories {
/**
* Alias for the {@link #basePackages()} attribute. Allows for more concise annotation
* declarations e.g.: {@code @EnableDatastoreRepositories("org.my.pkg")} instead of
* {@code @EnableDatastoreRepositories(basePackages="org.my.pkg")}.
* @return an empty array
*/
String[] value() default {};
/**
* Specifies which types are eligible for component scanning. Further narrows the set
* of candidate components from everything in {@link #basePackages()} to everything in
* the base packages that matches the given filter or filters.
* @return an empty array
*/
Filter[] includeFilters() default {};
/**
* Specifies which types are not eligible for component scanning.
* @return an empty array
*/
Filter[] excludeFilters() default {};
/**
* Base packages to scan for annotated components. {@link #value()} is an alias for
* (and mutually exclusive with) this attribute. Use {@link #basePackageClasses()} for
* a type-safe alternative to String-based package names.
* @return an empty array
*/
String[] basePackages() default {};
/**
* Type-safe alternative to {@link #basePackages()} for specifying the packages to
* scan for annotated components. The package of each class specified will be scanned.
* Consider creating a special no-op marker class or interface in each package that
* serves no purpose other than being referenced by this attribute.
* @return an empty array
*/
Class[] basePackageClasses() default {};
/**
* Configure the repository base class to be used to create repository proxies for
* this particular configuration.
*
* @return the base repository class
*/
Class repositoryBaseClass() default DefaultRepositoryBaseClass.class;
/**
* Configures whether nested repository-interfaces (e.g. defined as inner classes)
* should be discovered by the repositories infrastructure.
* @return false
*/
boolean considerNestedRepositories() default false;
/**
* Returns the {@link org.springframework.beans.factory.FactoryBean} class to be used
* for each repository instance. Defaults to {@link DatastoreRepositoryFactoryBean}.
*
* @return the factory bean class used to create factories
*/
Class repositoryFactoryBeanClass() default DatastoreRepositoryFactoryBean.class;
/**
* Configures the location of where to read the Spring Data named queries properties
* file. Will default to {@code META-INF/datastore-named-queries.properties}
*
* @return the location of the file holding named queries' strings.
*/
String namedQueriesLocation() default "";
/**
* Returns the postfix to be used when looking up custom repository implementations.
* Defaults to {@literal Impl}. So for a repository named {@code PersonRepository} the
* corresponding implementation class will be looked up scanning for
* {@code PersonRepositoryImpl}.
*
* @return the default suffix that will cause classes to be assumed to be
* implementations
*/
String repositoryImplementationPostfix() default "";
/**
* Configures the name of the
* {@link org.springframework.cloud.gcp.data.datastore.core.DatastoreTemplate} bean to
* be used by default with the repositories detected.
*
* @return the name of the Datastore template class
*/
String datastoreTemplateRef() default "datastoreTemplate";
/**
* Configures the name of the
* {@link org.springframework.cloud.gcp.data.datastore.core.mapping.DatastoreMappingContext}
* bean to be used by default with the repositories detected.
*
* @return the name of the Datastore mapping context class
*/
String datastoreMappingContextRef() default "datastoreMappingContext";
}