reactor.netty.transport

Class TransportConfig

java.lang.Object

reactor.netty.transport.TransportConfig

Direct Known Subclasses:

ClientTransportConfig, ServerTransportConfig, UdpServerConfig

public abstract class TransportConfig
extends Object

A basic configuration holder. The public API is read-only.

Since:

1.0.0

Author:

Stephane Maldini, Violeta Georgieva

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TransportConfig(Map<ChannelOption<?>,?> options) Default TransportConfig with options
protected	TransportConfig(Map<ChannelOption<?>,?> options, Supplier<? extends SocketAddress> bindAddress) Default TransportConfig with options
protected	TransportConfig(TransportConfig parent) Create TransportConfig from an existing one

Method Summary

Modifier and Type	Method and Description
Map<AttributeKey<?>,?>	attributes() Return the read-only default channel attributes
Supplier<? extends SocketAddress>	bindAddress() Return the local SocketAddress supplier that will be bound or null
ChannelGroup	channelGroup() Return the configured ChannelGroup or null
int	channelHash()
ChannelInitializer<Channel>	channelInitializer(ConnectionObserver connectionObserver, SocketAddress remoteAddress, boolean onServer) Return the ChannelInitializer that will be used for initializing the channel pipeline
ChannelOperations.OnSetup	channelOperationsProvider() Return the associated ChannelOperations.OnSetup, config implementations might override this
protected abstract Class<? extends Channel>	channelType(boolean isDomainSocket) Return the channel type this configuration is associated with, it can be one of the following: SocketChannel ServerSocketChannel DomainSocketChannel ServerDomainSocketChannel DatagramChannel
protected ChannelFactory<? extends Channel>	connectionFactory(EventLoopGroup elg, boolean isDomainSocket) Return the ChannelFactory which is used to create Channel instances.
ConnectionObserver	connectionObserver() Return the configured ConnectionObserver if any or ConnectionObserver.emptyListener()
protected abstract ConnectionObserver	defaultConnectionObserver() Return the configured default ConnectionObserver.
protected abstract LoggingHandler	defaultLoggingHandler() Return the default LoggingHandler to wiretap this transport
protected abstract LoopResources	defaultLoopResources() Return the default LoopResources for this transport
protected abstract ChannelMetricsRecorder	defaultMetricsRecorder() Return the configured metrics recorder.
protected abstract ChannelPipelineConfigurer	defaultOnChannelInit() Return the default callback if any or ChannelPipelineConfigurer.emptyConfigurer()
ChannelPipelineConfigurer	doOnChannelInit() Return the configured callback if any or ChannelPipelineConfigurer.emptyConfigurer()
protected abstract EventLoopGroup	eventLoopGroup() Return the configured EventLoopGroup.
boolean	isPreferNative() Return true if prefer native event loop and channel factory (e.g.
LoggingHandler	loggingHandler() Return the configured LoggingHandler or null
protected void	loggingHandler(LoggingHandler loggingHandler)
LoopResources	loopResources() Return the configured LoopResources or the default
Supplier<? extends ChannelMetricsRecorder>	metricsRecorder() Return the configured metrics recorder ChannelMetricsRecorder or null
protected void	metricsRecorder(Supplier<? extends ChannelMetricsRecorder> metricsRecorderSupplier) Obtains immediately the ChannelMetricsRecorder from the provided Supplier
protected ChannelMetricsRecorder	metricsRecorderInternal()
Map<ChannelOption<?>,?>	options() Return the read-only ChannelOption map
protected static <K,V> Map<K,V>	updateMap(Map<K,V> parentMap, Object key, Object value) Add or remove values to a map in an immutable way by returning a new map instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

TransportConfig

protected TransportConfig(Map<ChannelOption<?>,?> options)

Default TransportConfig with options

TransportConfig

protected TransportConfig(Map<ChannelOption<?>,?> options,
                          Supplier<? extends SocketAddress> bindAddress)

Default TransportConfig with options

TransportConfig

protected TransportConfig(TransportConfig parent)

Create TransportConfig from an existing one

Method Detail

attributes

public final Map<AttributeKey<?>,?> attributes()

Return the read-only default channel attributes

Returns:

the read-only default channel attributes

bindAddress

@Nullable
public final Supplier<? extends SocketAddress> bindAddress()

Return the local SocketAddress supplier that will be bound or null

Returns:

the SocketAddress supplier

channelHash

public int channelHash()

channelGroup

@Nullable
public final ChannelGroup channelGroup()

Return the configured ChannelGroup or null

Returns:

the configured ChannelGroup or null

channelInitializer

public final ChannelInitializer<Channel> channelInitializer(ConnectionObserver connectionObserver,
                                                            @Nullable
                                                            SocketAddress remoteAddress,
                                                            boolean onServer)

Return the ChannelInitializer that will be used for initializing the channel pipeline

Parameters:

connectionObserver - the configured ConnectionObserver

remoteAddress - the remote address

onServer - channel initializer for the server or for the client

Returns:

the ChannelInitializer that will be used for initializing the channel pipeline

channelOperationsProvider

public ChannelOperations.OnSetup channelOperationsProvider()

Return the associated ChannelOperations.OnSetup, config implementations might override this

Returns:

the associated ChannelOperations.OnSetup

connectionObserver

public final ConnectionObserver connectionObserver()

Return the configured ConnectionObserver if any or ConnectionObserver.emptyListener()

Returns:

the configured ConnectionObserver if any or ConnectionObserver.emptyListener()

doOnChannelInit

public final ChannelPipelineConfigurer doOnChannelInit()

Return the configured callback if any or ChannelPipelineConfigurer.emptyConfigurer()

Returns:

the configured callback if any or ChannelPipelineConfigurer.emptyConfigurer()

isPreferNative

public final boolean isPreferNative()

Return true if prefer native event loop and channel factory (e.g. epoll or kqueue)

Returns:

true if prefer native event loop and channel factory (e.g. epoll or kqueue)

loggingHandler

@Nullable
public final LoggingHandler loggingHandler()

Return the configured LoggingHandler or null

Returns:

the configured LoggingHandler or null

loopResources

public final LoopResources loopResources()

Return the configured LoopResources or the default

Returns:

the configured LoopResources or the default

metricsRecorder

@Nullable
public final Supplier<? extends ChannelMetricsRecorder> metricsRecorder()

Return the configured metrics recorder ChannelMetricsRecorder or null

Returns:

the configured metrics recorder ChannelMetricsRecorder or null

options

public final Map<ChannelOption<?>,?> options()

Return the read-only ChannelOption map

Returns:

the read-only ChannelOption map

channelType

protected abstract Class<? extends Channel> channelType(boolean isDomainSocket)

Return the channel type this configuration is associated with, it can be one of the following:

• SocketChannel
• ServerSocketChannel
• DomainSocketChannel
• ServerDomainSocketChannel
• DatagramChannel

Parameters:

isDomainSocket - true if DomainSocketChannel or ServerDomainSocketChannel is needed, false otherwise

Returns:

the channel type this configuration is associated with

connectionFactory

protected ChannelFactory<? extends Channel> connectionFactory(EventLoopGroup elg,
                                                              boolean isDomainSocket)

Return the ChannelFactory which is used to create Channel instances.

Parameters:

elg - the EventLoopGroup

isDomainSocket - true if DomainSocketChannel or ServerDomainSocketChannel is needed, false otherwise

Returns:

the ChannelFactory which is used to create Channel instances.

defaultConnectionObserver

protected abstract ConnectionObserver defaultConnectionObserver()

Return the configured default ConnectionObserver.

Returns:

the configured default ConnectionObserver

defaultLoggingHandler

protected abstract LoggingHandler defaultLoggingHandler()

Return the default LoggingHandler to wiretap this transport

Returns:

the default LoggingHandler to wiretap this transport

defaultLoopResources

protected abstract LoopResources defaultLoopResources()

Return the default LoopResources for this transport

Returns:

the default LoopResources for this transport

defaultMetricsRecorder

protected abstract ChannelMetricsRecorder defaultMetricsRecorder()

Return the configured metrics recorder.

Returns:

the configured metrics recorder

defaultOnChannelInit

protected abstract ChannelPipelineConfigurer defaultOnChannelInit()

Return the default callback if any or ChannelPipelineConfigurer.emptyConfigurer()

Returns:

the default callback if any or ChannelPipelineConfigurer.emptyConfigurer()

eventLoopGroup

protected abstract EventLoopGroup eventLoopGroup()

Return the configured EventLoopGroup.

Returns:

the configured EventLoopGroup

loggingHandler

protected void loggingHandler(LoggingHandler loggingHandler)

metricsRecorder

protected void metricsRecorder(@Nullable
                               Supplier<? extends ChannelMetricsRecorder> metricsRecorderSupplier)

Obtains immediately the ChannelMetricsRecorder from the provided Supplier

Parameters:

metricsRecorderSupplier - a supplier for the ChannelMetricsRecorder

metricsRecorderInternal

protected ChannelMetricsRecorder metricsRecorderInternal()

updateMap

protected static <K,V> Map<K,V> updateMap(Map<K,V> parentMap,
                                          Object key,
                                          @Nullable
                                          Object value)

Add or remove values to a map in an immutable way by returning a new map instance.

Type Parameters:

K - key type to add

V - value to add

Parameters:

parentMap - the container map to update

key - the key to update

value - the new value or null to remove an existing key

Returns:

a new instance of the map