Package com.mongodb.client.model.changestream

Class ChangeStreamDocument<TDocument>

java.lang.Object

com.mongodb.client.model.changestream.ChangeStreamDocument<TDocument>

Type Parameters:

TDocument - The type that this collection will encode the fullDocument field into.

public final class ChangeStreamDocument<TDocument>
extends Object

Represents the $changeStream aggregation output document.

Note: this class will not be applicable for all change stream outputs. If using custom pipelines that radically change the change stream result, then an alternative document format should be used.

Since:

3.6

Constructor Summary

Constructors

Constructor	Description
ChangeStreamDocument(BsonDocument resumeToken, MongoNamespace namespace, TDocument fullDocument, BsonDocument documentKey, OperationType operationType, UpdateDescription updateDescription)	Creates a new instance

Method Summary

Modifier and Type	Method	Description
static <TFullDocument> Codec<ChangeStreamDocument<TFullDocument>>	createCodec(Class<TFullDocument> fullDocumentClass, CodecRegistry codecRegistry)	Creates the codec for the specific ChangeStreamOutput type
boolean	equals(Object o)
BsonDocument	getDocumentKey()	Returns a document containing just the _id of the changed document.
TDocument	getFullDocument()	Returns the fullDocument
MongoNamespace	getNamespace()	Returns the namespace
OperationType	getOperationType()	Returns the operationType
BsonDocument	getResumeToken()	Returns the resumeToken
UpdateDescription	getUpdateDescription()	Returns the updateDescription
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ChangeStreamDocument

public ChangeStreamDocument(@BsonProperty("resumeToken")
                            BsonDocument resumeToken,
                            @BsonProperty("namespace")
                            MongoNamespace namespace,
                            @BsonProperty("fullDocument")
                            TDocument fullDocument,
                            @BsonProperty("documentKey")
                            BsonDocument documentKey,
                            @BsonProperty("operationType")
                            OperationType operationType,
                            @BsonProperty("updateDescription")
                            UpdateDescription updateDescription)

Creates a new instance

Parameters:

resumeToken - the resume token

namespace - the namespace

documentKey - a document containing the _id of the changed document

fullDocument - the fullDocument

operationType - the operation type

updateDescription - the update description

Method Detail

getResumeToken

public BsonDocument getResumeToken()

Returns the resumeToken

Returns:

the resumeToken

getNamespace

public MongoNamespace getNamespace()

Returns the namespace

Returns:

the namespace

getFullDocument

public TDocument getFullDocument()

Returns the fullDocument

Returns:

the fullDocument

getDocumentKey

public BsonDocument getDocumentKey()

Returns a document containing just the _id of the changed document.

For unsharded collections this contains a single field, _id, with the value of the _id of the document updated. For sharded collections, this will contain all the components of the shard key in order, followed by the _id if the _id isn’t part of the shard key.

Returns:

the document key

getOperationType

public OperationType getOperationType()

Returns the operationType

Returns:

the operationType

getUpdateDescription

public UpdateDescription getUpdateDescription()

Returns the updateDescription

Returns:

the updateDescription

createCodec

public static <TFullDocument> Codec<ChangeStreamDocument<TFullDocument>> createCodec(Class<TFullDocument> fullDocumentClass,
                                                                                     CodecRegistry codecRegistry)

Creates the codec for the specific ChangeStreamOutput type

Type Parameters:

TFullDocument - the fullDocument type

Parameters:

fullDocumentClass - the class to use to represent the fullDocument

codecRegistry - the codec registry

Returns:

the codec

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object