weblogic.jws.control
Interface Context

All Superinterfaces:

Serializable

All Known Subinterfaces:

ControlContext, JpdContext, JwsContext, JwsContext

public interface Context
extends Serializable

Provides access to services and information specific to this component's context. You will never need to extend or implement this interface. You will use this interface only through more specific subinterfaces, such as JwsContext and ControlContext.

Nested Class Summary

static interface

Context.Callback Defines callback events that may be received by the container.

Method Summary

void	finishConversation() Marks the current conversation instance as requiring removal after the currently executing method or event handler returns.
Principal	getCallerPrincipal() Returns the security principal associated with the current method invocation if authentication was performed.
long	getCurrentAge() Returns the conversation's current age (in seconds).
long	getCurrentIdleTime() Gets the number of seconds since the last client request, or since the conversation's maximum idle time was reset.
Logger	getLogger(String name) Gets an instance of the Logger class, which you can use to send messages from your code to a log file.
long	getMaxAge() Gets the time representing the longest the conversation may remain active before finishing.
long	getMaxIdleTime() Gets the number of seconds that the conversation can remain idle before finishing due to client inactivity.
ServiceHandle	getService() Returns a ServiceHandle instance for the currently active service instance.
boolean	isCallerInRole(String roleName) Returns true if the authenticated principal is within the specified security role.
boolean	isFinished() Returns whether or not this conversation instance has had finish() called on it (indicating that code has requested termination of this conversation instance).
void	resetIdleTime() Resets the timer measuring the number of seconds since the last activity for the current conversation.
void	setMaxAge(Date date) Sets a new maximum age for the conversation to an absolute Date.
void	setMaxAge(String duration) Sets a conversation's maximum age by specifying a duration as a string.
void	setMaxIdleTime(long seconds) Sets the number of seconds that the conversation can remain idle before finishing due to client inactivity.
void	setMaxIdleTime(String duration) Sets the number of seconds (as a String) that the conversation can remain idle before finishing due to client inactivity.

Method Detail

isFinished

boolean isFinished()

Returns whether or not this conversation instance has had finish() called on it (indicating that code has requested termination of this conversation instance).

You can finish a conversation by calling the finishConversation method on the conversation instance.

Returns:

true if the conversation has finished; false if it hasn't.

finishConversation

void finishConversation()

Marks the current conversation instance as requiring removal after the currently executing method or event handler returns.

Call this method to force removal of the conversation instance as an alternative to waiting for it to be removed by WebLogic Server when the conversation times out or its "finish" method is reached. Calling this method from within another method is equivalent to marking the calling method with the @conversation phase="finish" tag.

setMaxAge

void setMaxAge(Date date)
               throws IllegalStateException,
                      IllegalArgumentException

Sets a new maximum age for the conversation to an absolute Date. If the date parameter is in the past, the conversation will finish immediately.

Calling this method from a web service's code sets the maximum conversation age (relative to the current time) for that service instance. The date parameter marks the time after which WebLogic Server will be allowed to finish this conversation. Note that setting the maximum age with this method overrides the default setting or the setting given in the service's JWS file. This is an absolute age that isn't affected by network traffic.

Parameters:

date - The time after which the conversation should finish; null to disable the age timeout.

Throws:

IllegalStateException - if the method is called from a service instance that is not conversational.

IllegalArgumentException - If this method has passed an illegal or inappropriate argument.

setMaxAge

void setMaxAge(String duration)
               throws IllegalStateException,
                      IllegalArgumentException

Sets a conversation's maximum age by specifying a duration as a string.

Call this method to set the maximum conversation age (relative to the current time) for the conversation. The duration parameter marks the time after which the WebLogic Server will be allowed to finish this conversation. Note that setting the maximum age with this method overrides the default setting or the setting given in the service's JWS file. This is an absolute age that isn't affected by network traffic.

If the duration value results in zero seconds, the maximum age timeout will be disabled. If the duration value is in the past, the conversation will finish immediately.

The duration value is considered to be relative to the current time, not to the start of the conversation.

Parameters:

duration - The period after which the conversation will finish.

Throws:

IllegalStateException - if the method is called from a service instance that is not conversational.

IllegalArgumentException - If this method has passed an illegal or inappropriate argument.

getMaxAge

long getMaxAge()
               throws IllegalStateException

Gets the time representing the longest the conversation may remain active before finishing.

Returns:

The number of seconds since the conversation started before which it will finish.

Throws:

IllegalStateException - if the method is called from a service instance that is not conversational.

getCurrentAge

long getCurrentAge()
                   throws IllegalStateException

Returns the conversation's current age (in seconds).

Returns:

The number of seconds that have passed since the conversation started.

Throws:

IllegalStateException - If the method is called from a service instance that is not conversational.

resetIdleTime

void resetIdleTime()
                   throws IllegalStateException

Resets the timer measuring the number of seconds since the last activity for the current conversation. You can use this method to reset the timer for other service activity beyond client requests.

Throws:

IllegalStateException - if the method is called from a service instance that is not conversational.

setMaxIdleTime

void setMaxIdleTime(long seconds)
                    throws IllegalStateException,
                           IllegalArgumentException

Sets the number of seconds that the conversation can remain idle before finishing due to client inactivity.

Conversation idle time is the amount of time that can pass between incoming messages before the service instance is finished due to client inactivity. You can initialize a conversation's idle time to a default through the setting given at the top of the JWS file, but each instance can be set to a different idle time value through the setMaxIdleTime or setMaxIdleTime method.

To disable idle time expiration, set the maximum idle time value to zero.

The timer associated with tracking the idle time will automatically reset whenever a request is received from a web service's client or when resetIdleTime method is called.

Parameters:

seconds - The number of seconds the conversation can remain idle before it will expire.

Throws:

IllegalStateException - if the method is called from a service instance that is not conversational.

IllegalArgumentException - If this method has passed an illegal or inappropriate argument.

setMaxIdleTime

void setMaxIdleTime(String duration)
                    throws IllegalStateException,
                           IllegalArgumentException

Sets the number of seconds (as a String) that the conversation can remain idle before finishing due to client inactivity.

Conversation idle time is the amount of time that can pass between incoming messages before the service instance is finished due to client inactivity. You can initialize a conversation's idle time to a default through the setting given at the top of the JWS file, but each instance can be set to a different idle time value through the setMaxIdleTime or setMaxIdleTime method.

To disable idle time expiration, set the maximum idle time value to zero.

The timer associated with tracking the idle time will automatically reset whenever a request is received from a web service's client or when resetIdleTime method is called.

Parameters:

duration - The number of seconds the conversation can remain idle before it will expire.

Throws:

IllegalStateException - if the method is called from a service instance that is not conversational.

IllegalArgumentException - If this method has passed an illegal or inappropriate argument.

getMaxIdleTime

long getMaxIdleTime()
                    throws IllegalStateException

Gets the number of seconds that the conversation can remain idle before finishing due to client inactivity. A conversation is idle if the service is not receiving incoming messages through an operation method. Note that messages received through callback handlers do not reset a conversation idle time.

Returns:

The number of seconds that the conversation can remain idle before finishing due to client inactivity.

Throws:

IllegalStateException - if the method is called from a service instance that is not conversational.

getCurrentIdleTime

long getCurrentIdleTime()
                        throws IllegalStateException

Gets the number of seconds since the last client request, or since the conversation's maximum idle time was reset.

Returns:

The number of seconds since the last activity affecting the conversation.

Throws:

IllegalStateException - if the method is called from a service instance that is not conversational.

getCallerPrincipal

Principal getCallerPrincipal()

Returns the security principal associated with the current method invocation if authentication was performed.

Returns:

The Principal that was produced by authentication.

isCallerInRole

boolean isCallerInRole(String roleName)

Returns true if the authenticated principal is within the specified security role.

Parameters:

roleName - The name of the security role against which to check the authenticated principal.

Returns:

true if the principal is within the specified security role; false if they are not.

getService

ServiceHandle getService()

Returns a ServiceHandle instance for the currently active service instance. You can use this handle to query service information such as the conversation ID, the protocol scheme initiating the current request, and the URL of the service.

Returns:

A weblogic.jws.ServiceHandle object representing the current web service.

getLogger

Logger getLogger(String name)

Gets an instance of the Logger class, which you can use to send messages from your code to a log file.

Use getLogger to log messages from your web service Java code to a text file. By default, for the samples domain installed with WebLogic Workshop web services, this text file is located at the following path of your WebLogic Workshop installation:

 BEA_HOME/weblogic81/samples/workshop/jws.log
 

Use the categoryName parameter to specify category text that will be included with log entries. For example, you might specify the name of the JWS file so that you can more easily find relevant messages when scanning the log file. A log message might appear as follows for an entry in which categoryName is "MyService".

 16:18:11 ERROR MyService: My log message.
 

Note: You can customize aspects of the logging configuration, including the name of the application log file, its size limit, and so on. You configure logging using the workshopLogCfg.xml file. For more information, search the WebLogic Workshop documentation for "workshopLogCfg.xml Configuration File".

The Logger class returned by this method includes four methods that you can use to print log entries to a text file. For more information, see the Logger class.

Parameters:

categoryName - The name of the category by which log messages should be grouped.

Returns:

A Logger class that may be used to send messages to the application log.