Source Code Cross Referenced for FunctionProviderRemote.java in  » Workflow-Engines » OSWorkflow » com » opensymphony » workflow » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » OSWorkflow » com.opensymphony.workflow 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /*
02:         * Copyright (c) 2002-2003 by OpenSymphony
03:         * All rights reserved.
04:         */
05:        package com.opensymphony.workflow;
06:
07:        import com.opensymphony.module.propertyset.PropertySet;
08:
09:        import java.rmi.Remote;
10:        import java.rmi.RemoteException;
11:
12:        import java.util.Map;
13:
14:        /**
15:         * Remote interface to be implemented by any class that are to be called from within a workflow as a function,
16:         * either as a pre-function or a post-function. The args nested elements within the function xml call
17:         * will be mapped to the properties parameter.
18:         *
19:         * @author <a href="mailto:plightbo@hotmail.com">Pat Lightbody</a>
20:         */
21:        public interface FunctionProviderRemote extends Remote {
22:            //~ Methods ////////////////////////////////////////////////////////////////
23:
24:            /**
25:             * Execute this function
26:             * @param transientVars Variables that will not be persisted. These include inputs
27:             * given in the {@link Workflow#initialize} and {@link Workflow#doAction} method calls.
28:             * There are two special variable names: <b>entry</b> (object type:
29:             * {@link com.opensymphony.workflow.spi.WorkflowEntry}) and <b>context</b>
30:             * (object type: {@link com.opensymphony.workflow.WorkflowContext}).
31:             * Also, any variable set as a {@link com.opensymphony.workflow.Register}), will also be
32:             * available in the transient map, no matter what. These transient variables only last through
33:             * the method call that they were invoked in, such as {@link Workflow#initialize}
34:             * and {@link Workflow#doAction}.
35:             * @param args The properties for this function invocation. Properties are created
36:             * from arg nested elements within the xml, an arg element takes in a name attribute
37:             * which is the properties key, and the CDATA text contents of the element map to
38:             * the property value.
39:             * @param ps The persistent variables that are associated with the current
40:             * instance of the workflow. Any change made to the propertyset are persisted to
41:             * the propertyset implementation's persistent store.
42:             */
43:            public void execute(Map transientVars, Map args, PropertySet ps)
44:                    throws RemoteException;
45:        }
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