Package io.debezium.testing.testcontainers

Class MongoDbShardedCluster

java.lang.Object

io.debezium.testing.testcontainers.MongoDbShardedCluster

All Implemented Interfaces:

MongoDbDeployment, AutoCloseable, org.testcontainers.lifecycle.Startable

public class MongoDbShardedCluster
extends Object
implements MongoDbDeployment

A MongoDB sharded cluster.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MongoDbShardedCluster.Builder

Field Summary

Fields

Modifier and Type	Field	Description
private final MongoDbReplicaSet	configServers
private final org.testcontainers.utility.DockerImageName	imageName
private static final org.slf4j.Logger	LOGGER
private final org.testcontainers.containers.Network	network
private final PortResolver	portResolver
private final int	replicaCount
private final int	routerCount
private final List<MongoDbContainer>	routers
private final int	shardCount
private final List<MongoDbReplicaSet>	shards
private boolean	started

Constructor Summary

Constructors

Modifier	Constructor	Description
private	MongoDbShardedCluster(MongoDbShardedCluster.Builder builder)

Method Summary

Modifier and Type	Method	Description
void	addShard()	Invokes sh.addShard on a router to add a new shard replica set to the sharded cluster.
private void	addShard(MongoDbReplicaSet shard)	Adds the previously created and started supplied shard to the cluster.
private void	addShards()	Adds the previously created and started shards to the shards to the cluster.
private MongoDbReplicaSet	createConfigServers()
private MongoDbContainer	createRouter(org.testcontainers.containers.Network network, int i)
private List<MongoDbContainer>	createRouters()
private MongoDbReplicaSet	createShard(int i)
private List<MongoDbReplicaSet>	createShards()
void	enableSharding(String databaseName)
private static String	formatReplicaSetAddress(MongoDbReplicaSet replicaSet, boolean namedAddress)
String	getConnectionString()
List<String>	getHostNames()
MongoDbReplicaSet	getShard(int i)
void	removeShard()	Invokes the removeShard command to remove the last added shard from the sharded cluster.
void	shardCollection(String databaseName, String collectionName, String keyField)
static MongoDbShardedCluster.Builder	shardedCluster()
int	size()
void	start()
void	stop()
private Stream<org.testcontainers.lifecycle.Startable>	stream()
private static <T> Stream<T>	stream(Iterable<T> iterable)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.testing.testcontainers.MongoDbDeployment

getAuthConnectionString, getNoAuthConnectionString

Methods inherited from interface org.testcontainers.lifecycle.Startable

close, getDependencies

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

shardCount

private final int shardCount

replicaCount

private final int replicaCount

routerCount

private final int routerCount

network

private final org.testcontainers.containers.Network network

portResolver

private final PortResolver portResolver

configServers

private final MongoDbReplicaSet configServers

shards

private final List<MongoDbReplicaSet> shards

routers

private final List<MongoDbContainer> routers

imageName

private final org.testcontainers.utility.DockerImageName imageName

started

private volatile boolean started

Constructor Details

MongoDbShardedCluster

private MongoDbShardedCluster(MongoDbShardedCluster.Builder builder)

Method Details

shardedCluster

public static MongoDbShardedCluster.Builder shardedCluster()

start

public void start()

Specified by:

start in interface org.testcontainers.lifecycle.Startable

stop

public void stop()

Specified by:

stop in interface org.testcontainers.lifecycle.Startable

size

public int size()

getConnectionString

public String getConnectionString()

Specified by:

getConnectionString in interface MongoDbDeployment

Returns:

the standard connection string to the sharded cluster, comprised of only the mongos hosts.

getShard

public MongoDbReplicaSet getShard(int i)

enableSharding

public void enableSharding(String databaseName)

shardCollection

public void shardCollection(String databaseName,
 String collectionName,
 String keyField)

createShards

private List<MongoDbReplicaSet> createShards()

createShard

private MongoDbReplicaSet createShard(int i)

createConfigServers

private MongoDbReplicaSet createConfigServers()

createRouters

private List<MongoDbContainer> createRouters()

createRouter

private MongoDbContainer createRouter(org.testcontainers.containers.Network network,
 int i)

addShard

public void addShard()

Invokes sh.addShard on a router to add a new shard replica set to the sharded cluster.

removeShard

public void removeShard()

Invokes the removeShard command to remove the last added shard from the sharded cluster.

Waits until the state of the shard is completed before shutting down the shard replica set.

addShards

private void addShards()

Adds the previously created and started shards to the shards to the cluster.

addShard

private void addShard(MongoDbReplicaSet shard)

Adds the previously created and started supplied shard to the cluster.

Parameters:

shard - the shard to add

stream

private Stream<org.testcontainers.lifecycle.Startable> stream()

getHostNames

public List<String> getHostNames()

formatReplicaSetAddress

private static String formatReplicaSetAddress(MongoDbReplicaSet replicaSet,
 boolean namedAddress)

toString

public String toString()

Overrides:

toString in class Object

stream

private static <T> Stream<T> stream(Iterable<T> iterable)