Primary Key Class的意思|示意

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主键类

Primary Key Class的网络常见释义

主键类不过它们都需要将用于主键的字段单独放在一个主键类 (primary key class) 里面，并且该主键类必须重写 equals () 和 hashCode () 方法，必须实现 Serializable 接口，必须拥有无参构造函数。

主键的所有组成字段在一个类中 Primary Key Class 主键的所有组成字段在一个类中 Example Class 用于生成动态where条件的类 ..

Primary Key Class相关短语

1、 Composite Primary Key Class 主键类

Primary Key Class相关例句

For example, getting rid of the leaky primary key that shows up in the combo box is as easy as adding a toString method to the Airline class, as shown in Listing 6.

例如，如果想消除显示在组合框中的主键的泄漏，只要在airline类中添加toString方法就可以，如清单6所示。

An Entity class needs a primary key.

Entity类需要一个主键。

The find method requires you to know the primary key as well as the actual class type.

find方法要求您知道主键和实际类的类型。

We also use a primary key class, constructed from the values comprising the EJB primary key, to make it easy to specify the primary key as a single entity.

我们还使用由组成ejb主键的值构建的主键类使得把主键指定为一个单独的实体很容易。

The key class contains the unique primary key implementation for the bean.

该键类包含bean的唯一主键实现。

After an XMLToSQL is created, primary key columns and target columns are set. The following sample class illustrates these steps.

XMLToSQL创建完后，就可以设置主键列和目标列了。