org.apache.camel.component.netty4

Class TimeoutCorrelationManagerSupport

java.lang.Object

org.apache.camel.support.ServiceSupport

org.apache.camel.component.netty4.TimeoutCorrelationManagerSupport

All Implemented Interfaces:

org.apache.camel.CamelContextAware, NettyCamelStateCorrelationManager, org.apache.camel.Service, org.apache.camel.ShutdownableService, org.apache.camel.StatefulService, org.apache.camel.SuspendableService

public abstract class TimeoutCorrelationManagerSupport
extends org.apache.camel.support.ServiceSupport
implements org.apache.camel.CamelContextAware, NettyCamelStateCorrelationManager

A base class for using NettyCamelStateCorrelationManager that supports timeout.

Field Summary

Fields inherited from class org.apache.camel.support.ServiceSupport

shutdown, shuttingdown, started, starting, stopped, stopping, suspended, suspending

Constructor Summary

Constructors

Constructor and Description
TimeoutCorrelationManagerSupport()

Method Summary

Modifier and Type	Method and Description
protected void	doShutdown()
protected void	doStart()
protected void	doStop()
org.apache.camel.CamelContext	getCamelContext()
abstract String	getRequestCorrelationId(Object request) Implement this method to extract the correaltion id from the request message body.
abstract String	getResponseCorrelationId(Object response) Implement this method to extract the correaltion id from the response message body.
NettyCamelState	getState(io.netty.channel.ChannelHandlerContext ctx, io.netty.channel.Channel channel, Object msg) Gets the state when a response message has been received.
NettyCamelState	getState(io.netty.channel.ChannelHandlerContext ctx, io.netty.channel.Channel channel, Throwable cause) Gets the state when some internal error occurred.
long	getTimeout()
long	getTimeoutChecker()
org.apache.camel.LoggingLevel	getTimeoutLoggingLevel()
String	getTimeoutResponse(String correlationId, Object request) Override this to implement a custom timeout response message.
ExecutorService	getWorkerPool()
void	putState(io.netty.channel.Channel channel, NettyCamelState state) Puts the state.
void	removeState(io.netty.channel.ChannelHandlerContext ctx, io.netty.channel.Channel channel) Removes the state when the channel is inactive.
void	setCamelContext(org.apache.camel.CamelContext camelContext)
void	setTimeout(long timeout) Sets timeout value in millis seconds.
void	setTimeoutChecker(long timeoutChecker) Time in millis how frequent to check for timeouts.
void	setTimeoutLoggingLevel(org.apache.camel.LoggingLevel timeoutLoggingLevel) Sets the logging level to use when a timeout was hit.
void	setWorkerPool(ExecutorService workerPool) To use a shared worker pool for processing timed out requests.

Methods inherited from class org.apache.camel.support.ServiceSupport

doResume, doSuspend, getStatus, getVersion, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isStoppingOrStopped, isSuspended, isSuspending, isSuspendingOrSuspended, resume, shutdown, start, stop, suspend

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeoutCorrelationManagerSupport

public TimeoutCorrelationManagerSupport()

Method Detail

getCamelContext

public org.apache.camel.CamelContext getCamelContext()

Specified by:

getCamelContext in interface org.apache.camel.CamelContextAware

setCamelContext

public void setCamelContext(org.apache.camel.CamelContext camelContext)

Specified by:

setCamelContext in interface org.apache.camel.CamelContextAware

getTimeout

public long getTimeout()

setTimeout

public void setTimeout(long timeout)

Sets timeout value in millis seconds. The default value is 30000 (30 seconds).

getTimeoutChecker

public long getTimeoutChecker()

setTimeoutChecker

public void setTimeoutChecker(long timeoutChecker)

Time in millis how frequent to check for timeouts. Set this to a lower value if you want to react faster upon timeouts. The default value is 1000.

getTimeoutLoggingLevel

public org.apache.camel.LoggingLevel getTimeoutLoggingLevel()

setTimeoutLoggingLevel

public void setTimeoutLoggingLevel(org.apache.camel.LoggingLevel timeoutLoggingLevel)

Sets the logging level to use when a timeout was hit.

getWorkerPool

public ExecutorService getWorkerPool()

setWorkerPool

public void setWorkerPool(ExecutorService workerPool)

To use a shared worker pool for processing timed out requests.

getRequestCorrelationId

public abstract String getRequestCorrelationId(Object request)

Implement this method to extract the correaltion id from the request message body.

getResponseCorrelationId

public abstract String getResponseCorrelationId(Object response)

Implement this method to extract the correaltion id from the response message body.

getTimeoutResponse

public String getTimeoutResponse(String correlationId,
                                 Object request)

Override this to implement a custom timeout response message.

Parameters:

correlationId - the correlation id

request - the request message

Returns:

the response message or null to use an ExchangeTimedOutException exception.

putState

public void putState(io.netty.channel.Channel channel,
                     NettyCamelState state)

Description copied from interface: NettyCamelStateCorrelationManager

Puts the state.

You can get access to the Camel message from the NettyCamelState instance.

Specified by:

putState in interface NettyCamelStateCorrelationManager

Parameters:

channel - the channel

state - the Camel state to be stored

removeState

public void removeState(io.netty.channel.ChannelHandlerContext ctx,
                        io.netty.channel.Channel channel)

Description copied from interface: NettyCamelStateCorrelationManager

Removes the state when the channel is inactive.

Specified by:

removeState in interface NettyCamelStateCorrelationManager

Parameters:

ctx - netty channel handler context

channel - the channel

getState

public NettyCamelState getState(io.netty.channel.ChannelHandlerContext ctx,
                                io.netty.channel.Channel channel,
                                Object msg)

Description copied from interface: NettyCamelStateCorrelationManager

Gets the state when a response message has been received.

If the implementation stores the state temporary in for example a Map instance then this method should remove the state from the map as its no longer needed. In other words use the Map.remove(Object) to get and remove the state.

Specified by:

getState in interface NettyCamelStateCorrelationManager

Parameters:

ctx - netty channel handler context

channel - the channel

msg - the response message

getState

public NettyCamelState getState(io.netty.channel.ChannelHandlerContext ctx,
                                io.netty.channel.Channel channel,
                                Throwable cause)

Description copied from interface: NettyCamelStateCorrelationManager

Gets the state when some internal error occurred.

Specified by:

getState in interface NettyCamelStateCorrelationManager

Parameters:

ctx - netty channel handler context

channel - the channel

cause - the error

doStart

protected void doStart()
                throws Exception

Specified by:

doStart in class org.apache.camel.support.ServiceSupport

Throws:

Exception

doStop

protected void doStop()
               throws Exception

Specified by:

doStop in class org.apache.camel.support.ServiceSupport

Throws:

Exception

doShutdown

protected void doShutdown()
                   throws Exception

Overrides:

doShutdown in class org.apache.camel.support.ServiceSupport

Throws:

Exception