nullinstance.java

jBpm是一个灵活可扩展的工作流管理系统。作为jBpm运行时server输入的业务流程使用简单强大的语言表达并打包在流程档案中

package org.jbpm.context.exe.variableinstance;

import org.jbpm.context.exe.VariableInstance;

public class NullInstance extends VariableInstance {

  private static final long serialVersionUID = 1L;

  public boolean isStorable(Object value) {
    return (value==null);
  }

  protected Object getObject() {
    return null;
  }

  protected void setObject(Object value) {
  }
}