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Java Source Code / Java Documentation » Workflow Engines » bexee » bexee.core

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

bexee.core .ProcessContext

ProcessContext

public class ProcessContext implements Serializable(Code)

The ProcessContext contains state information about a very specific process instance. This includes:

Link states
Global and local variable values
Detailed event information about each processed activity. This information is vital for the ProcessController to be able to resume asynchronous process execution. Another optional use of this information might be a later process execution tracing (e.g. for graphical representations of an executing or finished process).

The ProcessContext need to be made persistent for later retrieval of asynchronous or long-running processes.
version:
   $Revision: 1.22 $, $Date: 2004/12/10 09:36:00 $
author:
   Patric Fornasier
author:
   Pawel Kowalski

Constructor Summary
public	ProcessContext() Creates a new `ProcessContext`.

Method Summary
public void	addEvent(Event event) Add an Event to this `ProcessContext`.
public Event	getEvent(Activity activity) Get an `Event` for the given `Activity`.
public String	getId() Get the id of this `ProcessContext`.
public BexeeMessage	getMessage() Get the current message.
public Object	getResult() Get the result of this process instance.
public Map	getVariable(Variable variable) Gets the parts associated with a given `Variable`. Parameters: variable - the `Variable` that will be used as the key a `Map` containing the parts associated with thegiven `Variable`.
public Object	getVariablePart(Variable variable, String part) Get a variable part identified by a `Variable` identifier and a part name.
public Set	getVariablesIdentifiers() It is possible to retrieve all variable identifiers included in this context (Variable class instances).
public BexeeMessage	removeMessage() Remove the current message.
public void	setId(String id) Set the id of this `ProcessContext`.
public void	setMessage(BexeeMessage message) Set the current message.
public synchronized void	setResult(Object result) Provides a place to store the result of BPEL process instance that has terminated it's execution.
public void	setVariable(Variable variable, Map parts) Stores the parts of a given `Variable`. Parameters: variable - the `Variable` that will be used as the key Parameters: parts - a `Map` containing the parts associated with thegiven `Variable`.
public void	setVariablePart(Variable variable, String part, Object value) Set a variable part identified by a `Variable` identifier and a part name.

Constructor Detail

ProcessContext
public ProcessContext()(Code)
	Creates a new `ProcessContext`.

Method Detail

addEvent
public void addEvent(Event event)(Code)
	Add an Event to this `ProcessContext`. The `Event` s represent processed activities in bexee. It is possible to reconstruct states of the process by analyzing those `Event`s. Parameters: event -

getEvent
public Event getEvent(Activity activity)(Code)
	Get an `Event` for the given `Activity`. Parameters: activity - Event

getId
public String getId()(Code)
	Get the id of this `ProcessContext`.

getMessage
public BexeeMessage getMessage()(Code)
	Get the current message. currentMessage

getResult
public Object getResult()(Code)
	Get the result of this process instance.

getVariable
public Map getVariable(Variable variable)(Code)
	Gets the parts associated with a given `Variable`. Parameters: variable - the `Variable` that will be used as the key a `Map` containing the parts associated with thegiven `Variable`. The part names are used as keysin the returned `Map`.

getVariablePart
public Object getVariablePart(Variable variable, String part)(Code)
	Get a variable part identified by a `Variable` identifier and a part name. Parameters: variable - the variable identifier Parameters: part - the part name value

getVariablesIdentifiers
public Set getVariablesIdentifiers()(Code)
	It is possible to retrieve all variable identifiers included in this context (Variable class instances). set a Set of `Variable` instances.

removeMessage
public BexeeMessage removeMessage()(Code)
	Remove the current message. This method will be called in order to retrieve the current message and remove it from the `ProcessContext` at the same time. bexeeMessage a BexeeMessage

setId
public void setId(String id)(Code)
	Set the id of this `ProcessContext`. Parameters: id -

setMessage
public void setMessage(BexeeMessage message)(Code)
	Set the current message. Parameters: message -

setResult
public synchronized void setResult(Object result)(Code)
	Provides a place to store the result of BPEL process instance that has terminated it's execution. After setting the result this method will call `notify()` on itself to indicate locking threads that the result is available. Parameters: message -

setVariable
public void setVariable(Variable variable, Map parts)(Code)
	Stores the parts of a given `Variable`. Parameters: variable - the `Variable` that will be used as the key Parameters: parts - a `Map` containing the parts associated with thegiven `Variable`. The part names are used askeys in the parts `Map`.

setVariablePart
public void setVariablePart(Variable variable, String part, Object value)(Code)
	Set a variable part identified by a `Variable` identifier and a part name. Parameters: variable - the variable identifier Parameters: part - the part name Parameters: value - part value

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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