Class MergeOperation.MergeOperationTarget

java.lang.Object

org.springframework.data.mongodb.core.aggregation.MergeOperation.MergeOperationTarget

Enclosing class:

MergeOperation

public static class MergeOperation.MergeOperationTarget
extends Object

Value Object representing the into field of a $merge aggregation stage.
If not stated explicitly via inDatabase(String) the collection is created in the very same database. In this case into is just a single String holding the collection name.

    into: "target-collection-name"

If the collection needs to be in a different database into will be a Document like the following

{
        into: {}
}

Since:

2.3

Author:

Christoph Strobl

Method Summary

Modifier and Type	Method	Description
static MergeOperation.MergeOperationTarget	collection(String collection)
MergeOperation.MergeOperationTarget	inDatabase(String database)	Optionally specify the target database if different from the source one.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

collection

public static MergeOperation.MergeOperationTarget collection(String collection)

Parameters:

collection - The output collection results will be stored in. Must not be null.

Returns:

new instance of MergeOperation.MergeOperationTarget.

inDatabase

public MergeOperation.MergeOperationTarget inDatabase(String database)

Optionally specify the target database if different from the source one.

Parameters:

database - must not be null.

Returns:

new instance of MergeOperation.MergeOperationTarget.