com.mongodb.client.AggregateIterable Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of mongodb-driver Show documentation
Show all versions of mongodb-driver Show documentation
The MongoDB Driver uber-artifact that combines mongodb-driver-sync and the legacy driver
/*
* Copyright 2008-present MongoDB, Inc.
*
* 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
*
* http://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 com.mongodb.client;
import com.mongodb.client.model.Collation;
import com.mongodb.lang.Nullable;
import org.bson.conversions.Bson;
import java.util.concurrent.TimeUnit;
/**
* Iterable for aggregate.
*
* @param The type of the result.
* @mongodb.driver.manual reference/command/aggregate/ Aggregation
* @since 3.0
*/
public interface AggregateIterable extends MongoIterable {
/**
* Aggregates documents according to the specified aggregation pipeline, which must end with a $out stage.
*
* @throws IllegalStateException if the pipeline does not end with a $out stage
* @mongodb.driver.manual reference/operator/aggregation/out/ $out stage
* @since 3.4
*/
void toCollection();
/**
* Enables writing to temporary files. A null value indicates that it's unspecified.
*
* @param allowDiskUse true if writing to temporary files is enabled
* @return this
* @mongodb.driver.manual reference/command/aggregate/ Aggregation
* @mongodb.server.release 2.6
*/
AggregateIterable allowDiskUse(@Nullable Boolean allowDiskUse);
/**
* Sets the number of documents to return per batch.
*
* @param batchSize the batch size
* @return this
* @mongodb.driver.manual reference/method/cursor.batchSize/#cursor.batchSize Batch Size
*/
AggregateIterable batchSize(int batchSize);
/**
* Sets the maximum execution time on the server for this operation.
*
* @param maxTime the max time
* @param timeUnit the time unit, which may not be null
* @return this
* @mongodb.driver.manual reference/method/cursor.maxTimeMS/#cursor.maxTimeMS Max Time
*/
AggregateIterable maxTime(long maxTime, TimeUnit timeUnit);
/**
* Sets whether the server should use a cursor to return results.
*
* @param useCursor whether the server should use a cursor to return results
* @return this
* @mongodb.driver.manual reference/command/aggregate/ Aggregation
* @mongodb.server.release 2.6
* @deprecated There is no replacement for this. Applications can assume that the driver will use a cursor for server versions
* that support it (>= 2.6). The driver will ignore this as of MongoDB 3.6, which does not support inline results for the aggregate
* command.
*/
@Deprecated
AggregateIterable useCursor(@Nullable Boolean useCursor);
/**
* The maximum amount of time for the server to wait on new documents to satisfy a {@code $changeStream} aggregation.
*
* A zero value will be ignored.
*
* @param maxAwaitTime the max await time
* @param timeUnit the time unit to return the result in
* @return the maximum await execution time in the given time unit
* @mongodb.server.release 3.6
* @since 3.6
*/
AggregateIterable maxAwaitTime(long maxAwaitTime, TimeUnit timeUnit);
/**
* Sets the bypass document level validation flag.
*
* Note: This only applies when an $out stage is specified
.
*
* @param bypassDocumentValidation If true, allows the write to opt-out of document level validation.
* @return this
* @since 3.2
* @mongodb.driver.manual reference/command/aggregate/ Aggregation
* @mongodb.server.release 3.2
*/
AggregateIterable bypassDocumentValidation(@Nullable Boolean bypassDocumentValidation);
/**
* Sets the collation options
*
* A null value represents the server default.
* @param collation the collation options to use
* @return this
* @since 3.4
* @mongodb.server.release 3.4
*/
AggregateIterable collation(@Nullable Collation collation);
/**
* Sets the comment to the aggregation. A null value means no comment is set.
*
* @param comment the comment
* @return this
* @since 3.6
* @mongodb.server.release 3.6
*/
AggregateIterable comment(@Nullable String comment);
/**
* Sets the hint for which index to use. A null value means no hint is set.
*
* @param hint the hint
* @return this
* @since 3.6
* @mongodb.server.release 3.6
*/
AggregateIterable hint(@Nullable Bson hint);
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy