com.sas.services.webapp
Class Bootstrap

java.lang.Object
  |
  +--com.sas.services.webapp.Bootstrap

public class Bootstrap

extends Object

This singleton bootstraps platform services.

• instantiates a DiscoveryService
• calls ServiceLoader to deploy local services and to lookup and bind to remote services
• sets system level properties read from a file

Constructor Summary

Bootstrap()

Method Summary

void	destroy()
void	enableSystemProps(ServletContext context, List systemPropFileList) This method will set system properties read from a file.
void	execute(Properties localProps, Properties remoteProps) makes calls to deploy local services and obtain reference to remote services loads and sets optional local system properties
static Bootstrap	getInstance()
boolean	isInitialized()
static void	main(String[] argv) run as standalone creates singleton Bootstrap instance calls execute
void	reset() resets object to initial state, destroys and creates a new DiscoveryService
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Bootstrap

public Bootstrap()

Method Detail

getInstance

public static Bootstrap getInstance()

Returns:

the singleton instance

reset

public void reset()

resets object to initial state, destroys and creates a new DiscoveryService

execute

public void execute(Properties localProps,
                    Properties remoteProps)
             throws Exception

makes calls to deploy local services and obtain reference to remote services loads and sets optional local system properties

Parameters:

localProps - local metadata source properties

remoteProps - remote metadata source properties if this is blank, or does not exists, then the deployment will be local only

isInitialized

public boolean isInitialized()

toString

public String toString()

Overrides:

toString in class Object

destroy

public void destroy()

enableSystemProps

public void enableSystemProps(ServletContext context,
                              List systemPropFileList)

This method will set system properties read from a file. It prepends file set in command line parm -Dsas.web.config=path-to-system-properties-file as the first system property file in the to search. It appends local system properties file as the last one in the list to search. the first unique property found will be used, other attempts to set the same property will be ignored

Parameters:

context -

List - systemPropsFileList a List of file names pointing to system properties configuation files

main

public static void main(String[] argv)
                 throws Exception

run as standalone creates singleton Bootstrap instance calls execute

Parameters:

argv[0] - = local metadata source properties file

argv[1] - = remote metadata source properties file

Throws:

Exception -