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Java > Open Source Codes > org > jbpm > bpel > data > spi > Script


1 package org.jbpm.bpel.data.spi;
2
3 /**
4  * @author Alejandro Guízar
5  * @version $Revision: 1.1 $ $Date: 2005/05/04 19:46:14 $
6  */
7 public interface Script {
8   
9   /**
10    * Evaluates this expression, extracting data from variables in the scope
11    * of the given token.
12    * @param contextInfo the context of evaluation
13    * @return the result of evaluation
14    */
15   public Object JavaDoc evaluate(Object JavaDoc contextInfo);
16   
17   /**
18    * Assigns a value to the location that this expression identifies.
19    * @param contextInfo the context for evaluation
20    * @param value the value to assign
21    */
22   public void assign(Object JavaDoc contextInfo, Object JavaDoc value);
23 }
24
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