io.debezium.connector.mongodb

Interface TopicSelector

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@ThreadSafe
 @FunctionalInterface
public interface TopicSelector

A function that determines the name of topics for data and metadata.

Author:

Randall Hauch

Method Summary

Modifier and Type	Method and Description
static TopicSelector	defaultSelector() Get the name of the topic for a given database name and collection name.
static TopicSelector	defaultSelector(String prefix) Get the name of the topic for a given prefix, database name, and collection name.
static TopicSelector	defaultSelector(String prefix, String delimiter) Get the name of the topic for a given prefix, database name, and collection name.
String	getTopic(CollectionId collectionId) Get the name of the topic for the given server name and database name.

Method Detail

defaultSelector

static TopicSelector defaultSelector()

Get the name of the topic for a given database name and collection name. This method returns "<dbName>.<collectionName>".

Returns:

the topic selector; never null

defaultSelector

static TopicSelector defaultSelector(String prefix)

Get the name of the topic for a given prefix, database name, and collection name. This method returns "<prefix>.<dbName>.<collectionName>", and does not use the replica set name.

Parameters:

prefix - the prefix; be null or empty if no prefix is needed

Returns:

the topic selector; never null

defaultSelector

static TopicSelector defaultSelector(String prefix,
                                     String delimiter)

Get the name of the topic for a given prefix, database name, and collection name. This method returns "<prefix><delimiter><dbName><delimiter><collectionName>", and does not use the replica set name.

Parameters:

delimiter - the string delineating the prefix, database, and collection names; may not be null

prefix - the prefix; be null or empty if no prefix is needed

Returns:

the topic selector; never null

getTopic

String getTopic(CollectionId collectionId)

Get the name of the topic for the given server name and database name.

Parameters:

collectionId - the identifier of the collection for which records are to be produced; may not be null

Returns:

the topic name; never null