JavaTM 2 Platform
Standard Ed. 5.0

javax.sql
ÀÎÅÍÆäÀ̽º PooledConnection

¾Ë·ÁÁø ¼­ºê ÀÎÅÍÆäÀ̽º ¸ñ·Ï :
XAConnection

public interface PooledConnection

Á¢¼Ó Ç® °ü¸®ÀÇ ÈÅÀ» Á¦°øÇÏ´Â °´Ã¼ÀÔ´Ï´Ù. PooledConnection°´Ã¼´Â µ¥ÀÌÅÍ ¼Ò½º¿¡ÀÇ ¹°¸® Á¢¼ÓÀ» ³ªÅ¸³À´Ï´Ù. ¾îÇø®ÄÉÀ̼ÇÀÌ ÀÖ´Â Á¢¼ÓÀ¸·Î Á¾·áÇßÀ» ¶§, ±× Á¢¼ÓÀº ´ÝÇôÁöÁö ¾Ê°í ¸®»çÀÌŬµË´Ï´Ù. ±× ¶§¹®¿¡ »ý¼ºÇÒ ÇÊ¿ä°¡ ÀÖ´Â Á¢¼Ó¼ö¸¦ ÁÙÀÏ ¼ö°¡ ÀÖ½À´Ï´Ù.

¾îÇø®ÄÉÀÌ¼Ç ÇÁ·Î±×·¡¸Ó°¡ PooledConnectionÀÎÅÍÆäÀ̽º¸¦ Á÷Á¢ »ç¿ëÇÒ °ÍÀº ¾ø½À´Ï´Ù. ¿ÀÈ÷·Á, ÀÌ ÀÎÅÍÆäÀ̽º´Â Á¢¼ÓÀÇ Ç®¸µÀ» °ü¸®ÇÏ´Â Áß°£Ãþ ÀÎÇÁ¶ó½ºÆ®·°ÃÄ°¡ »ç¿ëÇÕ´Ï´Ù.

¾îÇø®ÄÉÀ̼ÇÀº, DataSource.getConnection ¸Þ¼­µå¸¦ È£ÃâÇϸé, Connection °´Ã¼¸¦ µÇµ¹¸³´Ï´Ù. Á¢¼Ó Ç®ÀÇ ½ÇÇàÁß, Connection°´Ã¼´Â ¹°¸® Á¢¼ÓÀÎ PooledConnection °´Ã¼ÀÇ ÇÚµéÀÌ µË´Ï´Ù.

Á¢¼Ó Ç® °ü¸® ÇÁ·Î±×·¥ (º¸Åë ¾îÇø®ÄÉÀÌ¼Ç ¼­¹ö)Àº, PooledConnection °´Ã¼ÀÇ Ç®À» °ü¸®ÇÕ´Ï´Ù. Ç®³»¿¡ ÀÌ¿ë °¡´ÉÇÑ PooledConnection °´Ã¼°¡ Á¸ÀçÇÏ´Â °æ¿ì, ±× ¹°¸® Á¢¼ÓÀÇ ÇÚµéÀÎ Connection °´Ã¼¸¦ ¸®ÅÏÇÕ´Ï´Ù. ÀÌ¿ë °¡´ÉÇÑ PooledConnection °´Ã¼°¡ Á¸ÀçÇÏÁö ¾Ê´Â °æ¿ì, PooledConnection ¸Þ¼­µå getConnectionÀ» È£ÃâÇØ, »õ·Î¿î ¹°¸® Á¢¼ÓÀ» ÀÛ¼ºÇØ, ±× ÇÚµéÀ» ¸®ÅÏÇÕ´Ï´Ù.

Á¢¼ÓÀ» ´ÝÀ» ¶§, ¾îÇø®ÄÉÀ̼ÇÀº Connection ¸Þ¼­µå close¸¦ È£ÃâÇÕ´Ï´Ù. Á¢¼Ó Ç®ÀÇ ½ÇÇàÁß, Á¢¼Ó Ç® °ü¸® ÇÁ·Î±×·¥¿¡ ÅëÁö°¡ º¸³»Áý´Ï´Ù. ÀÌ°ÍÀº Á¢¼Ó Ç® °ü¸® ÇÁ·Î±×·¥ÀÌ ConnectionPool ¸Þ¼­µå addConnectionEventListener¸¦ »ç¿ëÇØ, ConnectionEventListener °´Ã¼·Î¼­ µî·ÏµÇ¾î Àֱ⠶§¹®ÀÔ´Ï´Ù. Á¢¼Ó Ç® °ü¸® ÇÁ·Î±×·¥Àº PooledConnection °´Ã¼ÀÇ ÇÚµéÀ» Á¾·áÇØ, Á¢¼Ó Ç®¿¡ PooledConnection °´Ã¼¸¦ ¸®ÅÏÇÕ´Ï´Ù. ¸®ÅÏµÈ °´Ã¼´Â ÀçÀÌ¿ë °¡´ÉÇÕ´Ï´Ù. ÀÌ¿Í °°ÀÌ, ¾îÇø®ÄÉÀ̼ÇÀÌ Á¢¼ÓÀ» ´ÝÀ» ¶§, ¹èÈÄÀÇ ¹°¸® Á¢¼ÓÀº ´ÝÇôÁöÁö ¾Ê°í, ¸®»çÀÌŬµË´Ï´Ù.

¹°¸® Á¢¼ÓÀº Á¢¼Ó Ç® °ü¸® ÇÁ·Î±×·¥ÀÌ PooledConnection ¸Þ¼­µå close¸¦ È£ÃâÇÒ ¶§±îÁö ´ÝÇôÁöÁö ¾Ê½À´Ï´Ù. ÀϹÝÀûÀ¸·Î ÀÌ ¸Þ¼­µå´Â º¸Åë ´ë·ÎÀÇ ¼ø¼­·Î ¼­¹ö¸¦ Á¾·áÇÏ´Â °æ¿ì, ¶Ç´Â Ä¡¸íÀûÀÎ ¿¡·¯¿¡ ÀÇÇØ Á¢¼ÓÀ» »ç¿ëÇÒ ¼ö ¾ø´Â »óÅ°¡ µÇ¾úÀ» °æ¿ì¿¡ È£ÃâÇÕ´Ï´Ù.

µµÀÔµÈ ¹öÀü :
1.4

¸Þ¼­µå °³¿ä
 void addConnectionEventListener (ConnectionEventListener  listener)
          ÁöÁ¤ÇÑ À̺¥Æ® ¸®½º³Ê¸¦ µî·ÏÇØ, ÀÌ PooledConnection °´Ã¼·Î À̺¥Æ®°¡ ¹ß»ýÇßÀ» ¶§¿¡ ÅëÁöµÇµµ·Ï ÇÕ´Ï´Ù.
 void close ()
          ÀÌ PooledConnection °´Ã¼°¡ ³ªÅ¸³»´Â ¹°¸® Á¢¼ÓÀ» ´Ý½À´Ï´Ù.
 Connection getConnection ()
          Connection °´Ã¼ (ÀÌ PooledConnection °´Ã¼°¡ ³ªÅ¸³»´Â ¹°¸® Á¢¼ÓÀÇ ÇÚµé)¸¦ ÀÛ¼ºÇØ, ¸®ÅÏÇÕ´Ï´Ù.
 void removeConnectionEventListener (ConnectionEventListener  listener)
          ÁöÁ¤ÇÑ À̺¥Æ® ¸®½º³Ê¸¦, ÀÌ PooledConnection °´Ã¼·Î À̺¥Æ®°¡ ¹ß»ýÇßÀ» ¶§¿¡ ÅëÁöµÇ´Â ÄÄÆÛ³ÍÆ®ÀÇ ¸®½ºÆ®·ÎºÎÅÍ »èÁ¦ÇÕ´Ï´Ù.
 

¸Þ¼­µåÀÇ »ó¼¼

getConnection

Connection  getConnection()
                         throws SQLException 
Connection °´Ã¼ (ÀÌ PooledConnection °´Ã¼°¡ ³ªÅ¸³»´Â ¹°¸® Á¢¼ÓÀÇ ÇÚµé)¸¦ ÀÛ¼ºÇØ, ¸®ÅÏÇÕ´Ï´Ù. Á¢¼Ó Ç® °ü¸® ÇÁ·Î±×·¥Àº ¾îÇø®ÄÉÀ̼ǿ¡ ÀÇÇØ DataSource.getConnection ¸Þ¼­µå°¡ ºÒ·Á °¬Áö¸¸, ÀÌ¿ë °¡´ÉÇÑ PooledConnection °´Ã¼°¡ Á¸ÀçÇÏÁö ¾Ê´Â °æ¿ì¿¡ ÀÌ ¸Þ¼­µå¸¦ È£ÃâÇÕ´Ï´Ù. »ó¼¼ÇÑ °Í¿¡ ´ëÇÏ¿©´Â ÀÎÅÍÆäÀ̽ºÀÇ ¼³¸íÀ» ÂüÁ¶ÇϽʽÿÀ.

¹Ýȯ°ª:
ÀÌ PooledConnection °´Ã¼ÀÇ ÇÚµéÀÎ Connection °´Ã¼
¿¹¿Ü:
SQLException - µ¥ÀÌŸº£À̽º ¾×¼¼½º ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

close

void close()
           throws SQLException 
ÀÌ PooledConnection °´Ã¼°¡ ³ªÅ¸³»´Â ¹°¸® Á¢¼ÓÀ» ´Ý½À´Ï´Ù. ¾îÇø®ÄÉÀ̼ÇÀÌ ÀÌ ¸Þ¼­µå¸¦ Á÷Á¢ È£ÃâÇÒ °ÍÀº ¾ø½À´Ï´Ù. ÀÌ ¸Þ¼­µå´Â Á¢¼Ó Ç® ¸ðµâ, ¶Ç´Â Á¢¼Ó Ç® °ü¸® ÇÁ·Î±×·¥¿¡ ÀÇÇØ È£ÃâÇÕ´Ï´Ù.

»ó¼¼ÇÑ °Í¿¡ ´ëÇÏ¿©´Â ÀÎÅÍÆäÀ̽ºÀÇ ¼³¸íÀ» ÂüÁ¶ÇϽʽÿÀ.

¿¹¿Ü:
SQLException - µ¥ÀÌŸº£À̽º ¾×¼¼½º ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

addConnectionEventListener

void addConnectionEventListener(ConnectionEventListener  listener)
ÁöÁ¤ÇÑ À̺¥Æ® ¸®½º³Ê¸¦ µî·ÏÇØ, ÀÌ PooledConnection °´Ã¼·Î À̺¥Æ®°¡ ¹ß»ýÇßÀ» ¶§¿¡ ÅëÁöµÇµµ·Ï ÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
listener - ConnectionEventListenerÀÎÅÍÆäÀ̽º¸¦ ±¸ÇöÇØ, Á¢¼ÓÀÌ ´Ý¾Ò´ÂÁö ¿¡·¯°¡ ¹ß»ýÇßÀ» ¶§¿¡ ÅëÁöµÇµµ·Ï ÇÏ´Â ÄÄÆÛ³ÍÆ®. ÀϹÝÀûÀ¸·Î Á¢¼Ó Ç® °ü¸® ÇÁ·Î±×·¥
°ü·Ã Ç׸ñ:
removeConnectionEventListener(javax.sql.ConnectionEventListener)

removeConnectionEventListener

void removeConnectionEventListener(ConnectionEventListener  listener)
ÁöÁ¤ÇÑ À̺¥Æ® ¸®½º³Ê¸¦, ÀÌ PooledConnection °´Ã¼·Î À̺¥Æ®°¡ ¹ß»ýÇßÀ» ¶§¿¡ ÅëÁöµÇ´Â ÄÄÆÛ³ÍÆ®ÀÇ ¸®½ºÆ®·ÎºÎÅÍ »èÁ¦ÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
listener - ConnectionEventListenerÀÎÅÍÆäÀ̽º¸¦ ±¸ÇöÇØ, ÀÌ PooledConnection °´Ã¼¿¡ ¸®½º³Ê·Î¼­ µî·ÏµÈ ÄÄÆÛ³ÍÆ®. ÀϹÝÀûÀ¸·Î Á¢¼Ó Ç® °ü¸® ÇÁ·Î±×·¥
°ü·Ã Ç׸ñ:
addConnectionEventListener(javax.sql.ConnectionEventListener)

JavaTM 2 Platform
Standard Ed. 5.0

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