JBpm赋值包:
一、ExpressionAssignmentException类:表达式赋值异常类 扩展了RuntimeException
二、ExpressionAssignmentHandler类: 表达式赋值处理器类 实现AssignmentHandler接口。
主要字段:
1.String expression;
2.ExecutionContext executionContext
3.TermTokenizer tokenizer
4.Entity entity
语法:syntax : first-term --> next-term --> next-term --> ... --> next-term
first-term ::= previous |
* swimlane(swimlane-name) |
* variable(variable-name) |
* user(user-name) |
* group(group-name)
* next-term ::= group(group-type) |
* member(role-name)
三、ExpressionSession接口
四、TermTokenizer类:"-->"