Package com.mongodb

Class WriteConcernResult

java.lang.Object

com.mongodb.WriteConcernResult

public abstract class WriteConcernResult
extends Object

The result of a successful write operation. If the write was unacknowledged, then wasAcknowledged will return false and all other methods will throw MongoUnacknowledgedWriteException.

Since:

3.0

See Also:

• WriteConcern.UNACKNOWLEDGED

Constructor Summary

Constructors

Constructor	Description
WriteConcernResult()

Method Summary

Modifier and Type	Method	Description
static WriteConcernResult	acknowledged(int count, boolean isUpdateOfExisting, BsonValue upsertedId)	Create an acknowledged WriteConcernResult
abstract int	getCount()	Returns the number of documents affected by the write operation.
abstract BsonValue	getUpsertedId()	Returns the value of _id if this write resulted in an upsert.
abstract boolean	isUpdateOfExisting()	Returns true if the write was an update of an existing document.
static WriteConcernResult	unacknowledged()	Create an unacknowledged WriteConcernResult
abstract boolean	wasAcknowledged()	Returns true if the write was acknowledged.

Methods inherited from class java.lang.Object

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

Constructor Details

WriteConcernResult

public WriteConcernResult()

Method Details

wasAcknowledged

public abstract boolean wasAcknowledged()

Returns true if the write was acknowledged.

Returns:

true if the write was acknowledged

getCount

public abstract int getCount()

Returns the number of documents affected by the write operation.

Returns:

the number of documents affected by the write operation

Throws:

UnsupportedOperationException - if the write was unacknowledged.

isUpdateOfExisting

public abstract boolean isUpdateOfExisting()

Returns true if the write was an update of an existing document.

Returns:

true if the write was an update of an existing document

Throws:

UnsupportedOperationException - if the write was unacknowledged.

getUpsertedId

@Nullable
public abstract BsonValue getUpsertedId()

Returns the value of _id if this write resulted in an upsert.

Returns:

the value of _id if this write resulted in an upsert.

Throws:

UnsupportedOperationException - if the write was unacknowledged.

acknowledged

public static WriteConcernResult acknowledged(int count,
 boolean isUpdateOfExisting,
 @Nullable
 BsonValue upsertedId)

Create an acknowledged WriteConcernResult

Parameters:

count - the count of matched documents

isUpdateOfExisting - whether an existing document was updated

upsertedId - if an upsert resulted in an inserted document, this is the _id of that document. This may be null

Returns:

an acknowledged WriteConcernResult

unacknowledged

public static WriteConcernResult unacknowledged()

Create an unacknowledged WriteConcernResult

Returns:

an unacknowledged WriteConcernResult