Abstract Document

2017-05-16  本文已影响0人  相关知情人士

UML :

abstract-document.png

introduction :

/**
 * The Abstract Document pattern enables handling additional, non-static
 * properties. This pattern uses concept of traits to enable type safety and
 * separate properties of different classes into set of interfaces.
 * 
 * In Abstract Document pattern,({@link AbstractDocument}) fully implements
 * {@link Document}) interface. Traits are then defined to enable access to
 * properties in usual, static way.
 */
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