context.arch.server
Class STourId
java.lang.Object
|
+--context.arch.BaseObject
|
+--context.arch.widget.Widget
|
+--context.arch.server.Server
|
+--context.arch.server.STourId
- public class STourId
- extends Server
This class implements a user id server for a tour guide app. It should
subscribe to all the widgets that could provide information about its
user with regards to a tour.
- See Also:
Server
Field Summary |
static java.lang.String |
CLASSNAME
Name of server |
static java.lang.String |
USERID
Tag to indicate user id (our key) |
Fields inherited from class context.arch.widget.Widget |
attributes,
attributeTypes,
callbacks,
CLASS,
CurrentOffset,
DEFAULT_PORT,
id,
PUT_DATA,
PUT_DATA_REPLY,
QUERY,
QUERY_ATTRIBUTES,
QUERY_ATTRIBUTES_REPLY,
QUERY_CALLBACKS,
QUERY_CALLBACKS_REPLY,
QUERY_REPLY,
QUERY_SERVICES,
QUERY_SERVICES_REPLY,
QUERY_VERSION,
QUERY_VERSION_REPLY,
services,
SPACER,
storage,
subscribers,
TIMESTAMP,
UPDATE,
UPDATE_AND_QUERY,
UPDATE_AND_QUERY_REPLY,
VERSION,
VERSION_NUMBER |
Constructor Summary |
STourId(int port,
java.lang.String userid,
boolean storageFlag,
WidgetHandles widgets,
java.lang.String configFile)
Constructor that creates a user server for user id
on the specified port. |
STourId(int port,
java.lang.String userid,
WidgetHandles widgets,
java.lang.String configFile)
Constructor that creates a user server for user id
on the specified port. |
STourId(java.lang.String userid,
boolean storageFlag,
WidgetHandles widgets,
java.lang.String configFile)
Constructor that creates a user server for user id
on the DEFAULT_PORT. |
STourId(java.lang.String userid,
WidgetHandles widgets,
java.lang.String configFile)
Constructor that creates a user server for user id
on the DEFAULT_PORT. |
Method Summary |
static void |
main(java.lang.String[] argv)
Main method to create a server with name, port and widgets specified by
command line arguments. |
protected AttributeNameValues |
queryGenerator()
This abstract method is called when the widget wants to get the latest generator
info. |
protected Conditions |
setConditions()
This method sets the conditions to apply to the
server's subscriptions. |
protected Attributes |
setServerAttributes()
This method sets the attributes for the server - those
that are specific to the server, and not contained in the widgets
it subscribes to. |
protected Callbacks |
setServerCallbacks()
This method set the callbacks for a server - those
that are specific to the server, and not contained in the widgets
it subscribes to. |
protected Services |
setServerServices()
This method set the services for a server - those
that are specific to the server, and not contained in the widgets
it subscribes to. |
Methods inherited from class context.arch.widget.Widget |
addSubscriber,
canHandle,
canHandle,
canHandle,
canHandle,
executeService,
getAttributeType,
getCurrentTime,
getNewOffset,
getNewOffsetNoDelay,
isAttribute,
isCallback,
notify,
processCallbackReply,
putData,
queryAttributes,
queryCallbacks,
queryServices,
removeSubscriber,
retrieveData,
runUserMethod,
runWidgetMethod,
sendToSubscribers,
setAttribute,
store,
store,
updateWidgetInformation |
Methods inherited from class context.arch.BaseObject |
askInterpreter,
decodeData,
encodeData,
executeAsynchronousWidgetService,
executeSynchronousWidgetService,
getHostAddress,
getId,
getVersion,
getVersion,
getWidgetAttributes,
getWidgetCallbacks,
getWidgetServices,
pingComponent,
pollWidget,
putDataInWidget,
queryVersion,
quit,
retrieveDataFrom,
retrieveDataFrom,
retrieveDataFrom,
retrieveDataFrom,
retrieveDataFrom,
retrieveDataFrom,
retrieveDataFrom,
returnPing,
runComponentMethod,
runMethod,
serviceResult,
setId,
setVersion,
subscribeTo,
subscribeTo,
subscribeTo,
subscribeTo,
unsubscribeFrom,
updateAndPollWidget,
userCallback,
userRequest,
userRequest,
userRequest |
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
CLASSNAME
public static final java.lang.String CLASSNAME
- Name of server
USERID
public static final java.lang.String USERID
- Tag to indicate user id (our key)
STourId
public STourId(int port,
java.lang.String userid,
WidgetHandles widgets,
java.lang.String configFile)
- Constructor that creates a user server for user id
on the specified port. This server monitors the set of widgets
in widgets and the tour guide widgets specified in configFile.
This latter set of widgets include TourRegistration, TourDemo, and
TourEnd widgets with storage enabled.
- Parameters:
port
- Port this server is listening onuserid
- User id this server is attached towidgets
- Set of widgets this server monitorsconfigFile
- File to use for configuration
STourId
public STourId(int port,
java.lang.String userid,
boolean storageFlag,
WidgetHandles widgets,
java.lang.String configFile)
- Constructor that creates a user server for user id
on the specified port. This server monitors the set of widgets
in widgets and the tour guide widgets specified in configFile.
This latter set of widgets include TourRegistration, TourDemo, and
TourEnd widgets with storage functionality set to storageFlag
- Parameters:
port
- Port this server is listening onuserid
- User id this server is attached towidgets
- Set of widgets this server monitorsconfigFile
- File to use for configurationstorageFlag
- Flag to indicate whether storage is enabled or not
STourId
public STourId(java.lang.String userid,
WidgetHandles widgets,
java.lang.String configFile)
- Constructor that creates a user server for user id
on the DEFAULT_PORT. This server monitors the set of widgets
in widgets and the tour guide widgets specified in configFile.
This latter set of widgets include TourRegistration, TourDemo, and
TourEnd widgets with storage enabled.
- Parameters:
userid
- User id this server is attached towidgets
- Set of widgets this server monitorsconfigFile
- File to use for configuration
STourId
public STourId(java.lang.String userid,
boolean storageFlag,
WidgetHandles widgets,
java.lang.String configFile)
- Constructor that creates a user server for user id
on the DEFAULT_PORT. This server monitors the set of widgets
in widgets and the tour guide widgets specified in configFile.
This latter set of widgets include TourRegistration, TourDemo, and
TourEnd widgets with storage functionality set to storageFlag.
- Parameters:
userid
- User id this server is attached towidgets
- Set of widgets this server monitorsconfigFile
- File to use for configurationstorageFlag
- Flag to indicate whether storage is enabled or not
queryGenerator
protected AttributeNameValues queryGenerator()
- This abstract method is called when the widget wants to get the latest generator
info. Maybe we should query our widgets here?
- Overrides:
- queryGenerator in class Widget
- Returns:
- Attributes containing the latest generator information
setServerAttributes
protected Attributes setServerAttributes()
- This method sets the attributes for the server - those
that are specific to the server, and not contained in the widgets
it subscribes to. Currently, there are none.
- Overrides:
- setServerAttributes in class Server
- Returns:
- Attributes object containing the server-specific attributes
setServerCallbacks
protected Callbacks setServerCallbacks()
- This method set the callbacks for a server - those
that are specific to the server, and not contained in the widgets
it subscribes to. Currently, there are none.
- Overrides:
- setServerCallbacks in class Server
- Returns:
- Callbacks object containing the server-specific callbacks
setServerServices
protected Services setServerServices()
- This method set the services for a server - those
that are specific to the server, and not contained in the widgets
it subscribes to. Currently, there are none.
- Overrides:
- setServerServices in class Server
- Returns:
- Services object containing the server-specific services
setConditions
protected Conditions setConditions()
- This method sets the conditions to apply to the
server's subscriptions. The condition for the User Server is
USERID='userid'
- Overrides:
- setConditions in class Server
- Returns:
- Conditions containing condition info for server subscriptions
main
public static void main(java.lang.String[] argv)
- Main method to create a server with name, port and widgets specified by
command line arguments. Each widget is specified by: host, port, id