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    1. ºóÀÇ ÀÏ»ý

    ÀüÅëÀûÀÎ ÀÚ¹Ù ¾ÖÇø®ÄÉÀ̼ǿ¡¼­ÀÇ ºóÀÇ »ý¸íÁÖ±â´Â new Å°¿öµå¸¦ ÅëÇØ ÀνºÅϽºÈ­ µÇ°Å³ª ¿ªÁ÷·ÄÈ­(deserializatino) µÇ¸ç, »ç¿ëÇÒ ¼ö ÀÖ´Â »óÅ°¡ µÈ´Ù.

     

     

     

    ¿©±â¼­ Àá±ñ

    Á÷·ÄÈ­´Â °´Ã¼ÀÇ ÇöÀç »óÅÂ(attribute value)¸¦ ³×Æ®¿÷»óÀÇ ´Ù¸¥°÷(remote)¶Ç´Â localÀÇ fileµî¿¡

    Àü´Þ/º¸Á¸Çϱâ À§ÇØ byte streamÀ¸·Î ³»º¸³»´Â ÀÛ¾÷(»óÅ copy)À» ¸»ÇÕ´Ï´Ù.

    ¿¹Á¦)

    public class Person implements java.io.Serializable{

        

          public String name = "È«±æµ¿";

          public int    age  = "20";

          public static String address = "¼­¿ï½Ã";

          transient String post ="111";

    }

     

    À§ÀÇ ¿¹Á¦ÀÇ PersonÀ̶ó´Â classÀÇ ÀνºÅϽº°¡ ÇöÀçÀÇ »óÅ ¸¦ ³×Æ®¿÷À¸·Î Àü¼ÛÇϱâ À§ÇØ »óÅ°ªÀ» Á÷·ÄÈ­ Çϸé

    ÀÌ Á÷·ÄÈ­µÈ µ¥ÀÌÅÍ´Â ³×Æ®¿÷À¸·Î Àü¼ÛµÉ°ÍÀÌ°í, Àü´Þ¹Þ´Â »óŸ¦ º¹¿øÇÏ´Â ÀÛ¾÷À» ¿ªÁ÷·ÄÈ­
    (deserialized)¶ó°í

    ÇÕ´Ï´Ù. ¹°·Ð Àü´Þ¹Þ´Â °÷¿¡´Â PersonÀ̶ó´Â class°¡ Á¸ÀçÇØ¾ß ÇÕ´Ï´Ù.

    ±×·¡¼­ ¿ªÁ÷·ÄÈ­ÇÏ´Â °úÁ¤¿¡¼­ PersonÀνºÅϽº°¡ »ý¼ºµÇ¸é¼­ Àü´Þ¹ÞÀº µ¥ÀÌÅÍ·Î »óŸ¦ º¹¿øÇÕ´Ï´Ù.

     

    RMI(Remote Method Invocation)±â¼úÀ» »ç¿ëÇÒ °æ¿ì ÀÌ Á÷·ÄÈ­/¿ªÁ÷·ÄÈ­¸¦ ÅëÇØ remote°£¿¡ °´Ã¼ÀÇ

    »óŸ¦ Àü´Þ¹Þ½À´Ï´Ù.

     

    ³×Æ®¿÷ Àü´Þ»Ó ¾Æ´Ï¶ó ÆÄÀÏ¿¡µµ °´Ã¼ÀÇ »óŸ¦ ÀúÀåÇϱâ À§ÇØ Á÷·ÄÈ­¿Í ¿ªÁ÷·ÄÈ­¸¦ »ç¿ëÇÕ´Ï´Ù.

    Á÷·ÄÈ­´Â ObjectOuputStreamÀÇ writeObject() ¸Þ¼Òµå¸¦ »ç¿ëÇϸç, ¿ªÁ÷·ÄÈ­´Â ObjectInputStreamÀÇ

    readObject()¸¦ »ç¿ëÇÕ´Ï´Ù.

     

    ±×¸®°í Á÷·ÄÈ­ ´ë»ó class´Â java.io.Serializable interface¸¦ implementsÇØ¾ß ÇÕ´Ï´Ù.

    Serializable interface³»ºÎ´Â ºñ¾îÁ® ÀÖ½À´Ï´Ù.

     

    Ãâó : http://www.javaservice.net/~java/bbs/read.cgi?m=devtip&b=javatip&c=r_p&n=1117764219&p=3&s=t

     

     

    SpringÀÌ ºóÀÇ »ý¼º¹æ¹ýÀ» Ä¿½ºÅ͸¶ÀÌ¡ ÇÒ ¼ö ÀÖ´Â ±âȸ¸¦ Á¦°øÇϱ⠶§¹®¿¡ spring ÄÁÅ×À̳ʿ¡¼­ÀÇ ºóÀÇ »ý¸íÁֱ⸦ ÀÌÇØÇÏ´Â °ÍÀÌ Áß¿äÇÏ´Ù.

     

    ´ÙÀ½ ±×¸²Àº springÀÇ ¾ÖÇø®ÄÉÀÌ¼Ç ÄÁÅؽºÆ® ¾È¿¡¼­ÀÇ ºóÀÇ »ý¸íÁÖ±âÀÌ´Ù.



     

    ºóÀÇ »ý¼º

     

    a. ÄÁÅ×À̳ʴ ºóÀÇ Á¤ÀÇ(ºó¿¡ ´ëÇÑ Á¤º¸¸¦ ¾îµò°¡¿¡ ÀÖ°ÚÁÒ)¸¦ ¾Ë¾Æ³½ ´ÙÀ½, ºóÀ» ÀνºÅϽºÈ­ ÇÑ´Ù.

    b. ÀÇÁ¸¼º ÁÖÀÔÀ» ÀÌ¿ëÇØ ºóÀÇ Á¤ÀÇ¿¡ ÁöÁ¤µÇ¾î ÀÖ´Â ¸ðµç Ư¼º¿¡ °ªÀ» ä¿î´Ù.

    c. ºóÀÌ BeanNameAware ÀÎÅÍÆäÀ̽º¸¦ ±¸ÇöÇÑ´Ù¸é, ÆÑÅ丮´Â ºóÀÇ ID¸¦ setBeanName()¿¡ Àü´ÞÇÏ¿© È£ÃâÇÑ´Ù.

    d. ºóÀÌ BeanFactoryAware ÀÎÅÍÆäÀ̽º¸¦ ±¸ÇöÇÑ´Ù¸é, ÆÑÅ丮´Â ÀÚ½ÅÀÇ ÀνºÅϽº¸¦ setBeanFactory()¿¡ Àü´ÞÇÏ¿© È£ÃâÇÑ´Ù.

    e. ºóÀÌ ApplicationContextAware ÀÎÅÍÆäÀ̽º¸¦ ±¸ÇöÇß´Ù¸é setApplicationContext() ¸Þ¼Òµå°¡ È£ÃâµÈ´Ù.

    f. ºó°ú ¿¬°üµÇ¾î ÀÖ´Â Çϳª ÀÌ»óÀÇ BeanPostProcessor°¡ Á¸ÀçÇÑ´Ù¸é, °¢°¢ÀÇ ¸ðµç postProcessBeforeInitialization() ¸Þ¼Òµå°¡ È£ÃâµÈ´Ù.

    g. ºóÀÌ ÀçÁ¤µÇ¾î ÀÖ´Â init-method°¡ ÀÖÀ¸¸é È£ÃâµÈ´Ù.

    h. ¸¶Áö¸·À¸·Î ºó°ú ¿¬°üµÇ¾î ÀÖ´Â Çϳª ÀÌ»óÀÇ BeanPostProcessor°¡ Á¸ÀçÇÏ´Ù¸é, ¸ðµç postProcessAfterInitialization()¸Þ¼Òµå°¡ È£ÃâµÈ´Ù.
    i.
    ºóÀº ¾ÖÇø®ÄÉÀ̼ǿ¡ ÀÇÇØ Áï½Ã »ç¿ë µÉ ¼ö ÀÖ´Â »óÅÂÀ̸ç, ´õ ÀÌ»ó ÇÊ¿äÇÏÁö ¾ÊÀ»¶§±îÁö ºó ÆÑÅ丮 ¾È¿¡ ³²¾Æ ÀÖ°Ô µÈ´Ù.

     

    ºóÀÇ ¼Ò¸ê

     

    a. ºóÀÌ DisposableBean ÀÎÅÍÆäÀ̽º¸¦ ±¸ÇöÇÏ°í ÀÖ´Ù¸é, destroy() ¸Þ¼Òµå°¡ È£ÃâµÈ´Ù.

    b. Ä¿½ºÅÒ destroy-method°¡ ÁöÁ¤µÇ¾î ÀÖ´Ù¸é ±× ¸Þ¼Òµå°¡ È£ÃâµÈ´Ù.

2007-01-30 15:01:52
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