使用这种方法开发的节点，可以指定终端的数目和名称、该节点的属性，以及该节点是否作为流的输入节点。
Nodes developed using this method can specify the number and names of terminals and properties for the node, along with whether the node ACTS as an input node for a flow.
依次选择每个成份关系，并在成份终端设定角色地名称为STORE_ID。
Select each composition relationship in turn, and set the role name at the composition end to STORE_ID.
建立业务对象时，可以为 JDBC Portlet Builder 创建的 portlet 的终端用户提供更合适和可以理解的名称。
When establishing our business objects, we can provide more aesthetically pleasing and understandable names for the end-user of a portlet created by the JDBC Portlet Builder.
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