org.jboss.web.loadbalancer
Class Loadbalancer

java.lang.Object
  org.jboss.web.loadbalancer.Loadbalancer

All Implemented Interfaces:

LoadbalancerMBean

public class Loadbalancer
extends Object
implements LoadbalancerMBean

The Loadbalancer core class.

Version:

$Revision: 1.9 $

Author:

Thomas Peuss

Field Summary

protected org.apache.commons.httpclient.MultiThreadedHttpConnectionManager	connectionManager
protected int	connectionTimeout
protected static Set	ignorableHeader
protected static org.jboss.logging.Logger	log
protected static int	MAX_RETRIES
protected SchedulerMBean	scheduler
protected javax.management.ObjectName	schedulerName

Fields inherited from interface org.jboss.web.loadbalancer.LoadbalancerMBean

OBJECT_NAME

Constructor Summary

protected

Loadbalancer(SchedulerMBean scheduler, int timeout)

Method Summary

protected void	addRequestData(Request schedRequest) Add the request information to the HttpMethod
protected void	copyServerResponse(Request schedRequest) Copy content to the client.
protected void	createMethod(Request schedRequest) Create a HttpMethod object for the given request.
int	getConnectionsInUse() Get the currently used connections to slave hosts.
int	getConnectionTimeout() Get the currently used connection timeout to slave hosts.
protected void	handleRequest(Request schedRequest) Handle the client request.
protected void	parseServerResponse(Request schedRequest) Copy the server answer meta data to the client.
protected void	prepareServerRequest(Request schedRequest) Prepare the request to the target node.
void	setConnectionTimeout(int newTimeout) Set the currently used connection timeout to slave hosts.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static org.jboss.logging.Logger log

connectionManager

protected org.apache.commons.httpclient.MultiThreadedHttpConnectionManager connectionManager

ignorableHeader

protected static Set ignorableHeader

connectionTimeout

protected int connectionTimeout

scheduler

protected SchedulerMBean scheduler

schedulerName

protected javax.management.ObjectName schedulerName

MAX_RETRIES

protected static final int MAX_RETRIES

See Also:

Constant Field Values

Constructor Detail

Loadbalancer

protected Loadbalancer(SchedulerMBean scheduler,
                       int timeout)
                throws javax.servlet.ServletException

Throws:

javax.servlet.ServletException

Method Detail

createMethod

protected void createMethod(Request schedRequest)
                     throws NoHostAvailableException

Create a HttpMethod object for the given request.

Parameters:

request -

response -

requestMethod -

Throws:

NoHostAvailableException

addRequestData

protected void addRequestData(Request schedRequest)

Add the request information to the HttpMethod

Parameters:

request -

method -

prepareServerRequest

protected void prepareServerRequest(Request schedRequest)

Prepare the request to the target node.

Parameters:

request -

response -

method -

handleRequest

protected void handleRequest(Request schedRequest)
                      throws javax.servlet.ServletException,
                             IOException

Handle the client request.

Parameters:

request -

response -

method -

Throws:

javax.servlet.ServletException

IOException

parseServerResponse

protected void parseServerResponse(Request schedRequest)
                            throws javax.servlet.ServletException,
                                   IOException

Copy the server answer meta data to the client.

Parameters:

request -

response -

client -

method -

Throws:

javax.servlet.ServletException

IOException

copyServerResponse

protected void copyServerResponse(Request schedRequest)
                           throws IOException

Copy content to the client.

Parameters:

response -

method -

Throws:

IOException

getConnectionTimeout

public int getConnectionTimeout()

Get the currently used connection timeout to slave hosts.

Specified by:

getConnectionTimeout in interface LoadbalancerMBean

setConnectionTimeout

public void setConnectionTimeout(int newTimeout)

Set the currently used connection timeout to slave hosts.

Specified by:

setConnectionTimeout in interface LoadbalancerMBean

getConnectionsInUse

public int getConnectionsInUse()

Get the currently used connections to slave hosts.

Specified by:

getConnectionsInUse in interface LoadbalancerMBean