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MongoDB support for Spring Data
/*
* Copyright 2014-2020 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.
*/
package org.springframework.data.mongodb.repository;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.springframework.data.annotation.QueryAnnotation;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 1.6
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.METHOD, ElementType.ANNOTATION_TYPE })
@Documented
@QueryAnnotation
public @interface Meta {
/**
* Set the maximum time limit in milliseconds for processing operations.
*
* @return {@literal -1} by default.
* @since 1.10
*/
long maxExecutionTimeMs() default -1;
/**
* Sets the number of documents to return per batch.
* Use {@literal 0 (zero)} for no limit. A negative limit closes the cursor after returning a single
* batch indicating to the server that the client will not ask for a subsequent one.
*
* @return {@literal 0 (zero)} by default.
* @since 2.1
*/
int cursorBatchSize() default 0;
/**
* Add a comment to the query.
*
* @return empty {@link String} by default.
*/
String comment() default "";
/**
* Set {@link org.springframework.data.mongodb.core.query.Meta.CursorOption} to be used when executing query.
*
* @return never {@literal null}.
* @since 1.10
*/
org.springframework.data.mongodb.core.query.Meta.CursorOption[] flags() default {};
/**
* When set to {@literal true}, aggregation stages can write data to disk.
*
* @return {@literal false} by default.
* @since 3.0
* @see Aggregation
*/
boolean allowDiskUse() default false;
}