windchill 建模

最新推荐文章于 2025-06-23 12:02:39 发布

zdk81053

最新推荐文章于 2025-06-23 12:02:39 发布

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文章标签：数据库

本文链接：https://blog.youkuaiyun.com/zdk81053/article/details/84724490

本文深入探讨了Windchill系统中如何进行数据库建模，涵盖了建模的基础概念、步骤和最佳实践，旨在帮助读者理解如何有效地构建和管理Windchill数据库结构。

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1.继承WTObject

@GenAsPersistable(
  superClass = WTObject.class,
  properties = {
   @GeneratedProperty(name = "note", type = String.class, constraints = @PropertyConstraints(upperLimit = 500)),

  ......
   @GeneratedProperty(name = "str1", type = String.class)
  },
  foreignKeys = {
    @GeneratedForeignKey(foreignKeyRole = @ForeignKeyRole(name = "itemId", type = WTPartMaster.class, supportedAPI = SupportedAPI.PUBLIC, cascade = false,constraints = @PropertyConstraints(required = true))),
    @GeneratedForeignKey(foreignKeyRole = @ForeignKeyRole(name = "pscItemId", type = StandardProduct.class, supportedAPI = SupportedAPI.PUBLIC, cascade = false))
  })

public class ClassName extends _ClassName {
static final long serialVersionUID = 1;

    public static ClassName newClassName () throws WTException {
     ClassName instance = new ClassName();
        instance.initialize();
        return instance;