JavaTM 2 Platform
Standard Ed. 5.0

java.nio.channels.spi
Ŭ·¡½º AbstractSelectableChannel

java.lang.Object 
  »óÀ§¸¦ È®Àå java.nio.channels.spi.AbstractInterruptibleChannel 
      »óÀ§¸¦ È®Àå java.nio.channels.SelectableChannel 
          »óÀ§¸¦ È®Àå java.nio.channels.spi.AbstractSelectableChannel
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
Closeable, Channel, InterruptibleChannel
¾Ë·ÁÁø Á÷°è ¼­ºê Ŭ·¡½º:
DatagramChannel, Pipe.SinkChannel, Pipe.SourceChannel, ServerSocketChannel, SocketChannel

public abstract class AbstractSelectableChannel
extends SelectableChannel

¼±Åà °¡´É ä³ÎÀÇ º£À̽º ±¸Çö Ŭ·¡½ºÀÔ´Ï´Ù.

ÀÌ Å¬·¡½º´Â ä³ÎÀÇ µî·Ï, µî·Ï ÇØÁ¦, Ŭ·Î¿ìÁîÀÇ Ã³¸®¸¦ ½Ç½ÃÇÏ´Â ¸Þ¼­µå¸¦ Á¤ÀÇÇÕ´Ï´Ù. ÀÌ Å¬·¡½º´Â ÀÌ Ã¤³ÎÀÇ ÇöÀçÀÇ ºí·Ï ¸ðµå¿Í ÇöÀçÀÇ ¼±Åà Ű ¼¼Æ®¸¦ °ü¸®ÇÕ´Ï´Ù. ¶ÇÇÑ, SelectableChannel »ç¾çÀ» ±¸ÇöÇϴµ¥ ÇÊ¿äÇÑ µ¿±â 󸮸¦ ¸ðµÎ ½ÇÇàÇÕ´Ï´Ù. ÀÌ Å¬·¡½º¿¡ Á¤Àǵǰí ÀÖ´Â abstract protected ¸Þ¼­µåÀÇ ±¸Çö¿¡¼­´Â °°Àº Á¶ÀÛÀ» »ç¿ëÇÏ´Â °Í ¿ÜÀÇ thread¿ÍÀÇ µ¿±â 󸮸¦ ½Ç½ÃÇÒ ÇÊ¿ä´Â ¾ø½À´Ï´Ù

µµÀÔµÈ ¹öÀü :
1.4

»ý¼ºÀÚ °³¿ä
protected AbstractSelectableChannel (SelectorProvider  provider)
          ÀÌ Å¬·¡½ºÀÇ »õ·Î¿î ÀνºÅϽº¸¦ ÃʱâÈ­ÇÕ´Ï´Ù.
 
¸Þ¼­µå °³¿ä
 Object blockingLock ()
          configureBlocking ¸Þ¼­µå¿Í register ¸Þ¼­µå°¡ µ¿±âÀÇ ´ë»óÀ¸·Î ÇÏ´Â °´Ã¼¸¦ ¸®ÅÏÇÕ´Ï´Ù.
 SelectableChannel configureBlocking (boolean block)
          ÀÌ Ã¤³ÎÀÇ ºí·Ï ¸ðµå¸¦ Á¶Á¤ÇÕ´Ï´Ù.
protected  void implCloseChannel ()
          ÇöÀçÀÇ Ã¤³ÎÀ» ´Ý½À´Ï´Ù.
protected abstract  void implCloseSelectableChannel ()
          ÀÌ ¼±Åà °¡´É ä³ÎÀ» ´Ý½À´Ï´Ù.
protected abstract  void implConfigureBlocking (boolean block)
          ÀÌ Ã¤³ÎÀÇ ºí·Ï ¸ðµå¸¦ Á¶Á¤ÇÕ´Ï´Ù.
 boolean isBlocking ()
          ÀÌ Ã¤³Î»óÀÇ °³°³ÀÇ ÀÔÃâ·Â Á¶ÀÛÀÌ ÀüÀÇ ÀÔÃâ·Â Á¶ÀÛÀÌ ¿Ï·áÇÒ ¶§±îÁö ºí·Ï µÉÁö ¾î¶³Áö¸¦ ÆÇ´ÜÇÕ´Ï´Ù.
 boolean isRegistered ()
          ÇöÀç ÀÌ Ã¤³ÎÀÌ ¼¿·ºÅÍ¿¡ µî·ÏµÇ¾î ÀÖ´ÂÁö¸¦ ÆÇ´ÜÇÕ´Ï´Ù.
 SelectionKey keyFor (Selector  sel)
          Ã¤³ÎÀÌ ÁöÁ¤µÈ ¼¿·ºÅÍ¿¡ µî·ÏµÇ¾î ÀÖ´Â °ÍÀ» ³ªÅ¸³»´Â Å°¸¦ ÃëµæÇÕ´Ï´Ù.
 SelectorProvider provider ()
          ÀÌ Ã¤³ÎÀÇ ¼Ò½ºÇÁ·Î¹ÙÀÌ´õ¸¦ ¸®ÅÏÇÕ´Ï´Ù.
 SelectionKey register (Selector  sel, int ops, Object  att)
          ÀÌ Ã¤³ÎÀÌ ÁöÁ¤µÈ ¼¿·ºÅÍ¿¡ µî·ÏÇØ, ¼±Åà ۸¦ ¸®ÅÏÇÕ´Ï´Ù.
 
Ŭ·¡½º java.nio.channels. SelectableChannel ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
register, validOps
 
Ŭ·¡½º java.nio.channels.spi. AbstractInterruptibleChannel ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
begin, close, end, isOpen
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
ÀÎÅÍÆäÀ̽º java.nio.channels. Channel ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
close, isOpen
 

»ý¼ºÀÚ »ó¼¼

AbstractSelectableChannel

protected AbstractSelectableChannel(SelectorProvider  provider)
ÀÌ Å¬·¡½ºÀÇ »õ·Î¿î ÀνºÅϽº¸¦ ÃʱâÈ­ÇÕ´Ï´Ù.

¸Þ¼­µåÀÇ »ó¼¼

provider

public final SelectorProvider  provider()
ÀÌ Ã¤³ÎÀÇ ¼Ò½ºÇÁ·Î¹ÙÀÌ´õ¸¦ ¸®ÅÏÇÕ´Ï´Ù.

Á¤ÀÇ:
Ŭ·¡½º SelectableChannel ³»ÀÇ provider
¹Ýȯ°ª:
ÀÌ Ã¤³ÎÀÇ ¼Ò½ºÇÁ·Î¹ÙÀÌ´õ

isRegistered

public final boolean isRegistered()
Ŭ·¡½º SelectableChannel ±â¼ú:
ÇöÀç ÀÌ Ã¤³ÎÀÌ ¼¿·ºÅÍ¿¡ µî·ÏµÇ¾î ÀÖ´ÂÁö¸¦ ÆÇ´ÜÇÕ´Ï´Ù. »õ·Ó°Ô ÀÛ¼ºµÈ ä³ÎÀº µî·ÏµÇ¾î ÀÖÁö ¾Ê½À´Ï´Ù.

Å°ÀÇ Ãë¼Ò·ÎºÎÅÍ Ã¤³ÎÀÇ µî·Ï ÇØÁ¦±îÁöÀÇ »çÀÌ¿¡ ¹ß»ýÇÏ´Â ÇÊ¿¬ÀûÀÎ Áö¿¬À̱⠶§¹®¿¡ Å°¸¦ ¸ðµÎ Ãë¼ÒÇصµ, ´çºÐ°£ÀÇ »çÀÌ Ã¤³ÎÀÇ µî·ÏÀº ÇØÁ¦µÇÁö ¾Ê½À´Ï´Ù. ä³ÎÀ» Ŭ·Î¿ìÁî ÇßÀ» ¶§µµ °°½À´Ï´Ù.

Á¤ÀÇ:
Ŭ·¡½º SelectableChannel ³»ÀÇ isRegistered
¹Ýȯ°ª:
ÀÌ Ã¤³ÎÀÌ µî·ÏµÇ¾î ÀÖ´Â °æ¿ì¿¡ ÇÑÁ¤ÇØ true

keyFor

public final SelectionKey  keyFor(Selector  sel)
Ŭ·¡½º SelectableChannel ±â¼ú:
ä³ÎÀÌ ÁöÁ¤µÈ ¼¿·ºÅÍ¿¡ µî·ÏµÇ¾î ÀÖ´Â °ÍÀ» ³ªÅ¸³»´Â Å°¸¦ ÃëµæÇÕ´Ï´Ù.

Á¤ÀÇ:
Ŭ·¡½º SelectableChannel ³»ÀÇ keyFor
¹Ýȯ°ª:
Àüȸ ÀÌ Ã¤³ÎÀÌ ÁöÁ¤µÈ ¼¿·ºÅÍ¿¡ µî·ÏÇßÀ» ¶§ ¸®ÅÏµÈ Å°. ÇöÀç ÀÌ Ã¤³ÎÀÌ ÁöÁ¤µÈ ¼¿·ºÅÍ¿¡ µî·ÏµÇÁö ¾ÊÀº °æ¿ì´Â null

register

public final SelectionKey  register(Selector  sel,
                                   int ops,
                                   Object  att)
                            throws ClosedChannelException 
ÀÌ Ã¤³ÎÀÌ ÁöÁ¤µÈ ¼¿·ºÅÍ¿¡ µî·ÏÇØ, ¼±Åà ۸¦ ¸®ÅÏÇÕ´Ï´Ù.

ÀÌ ¸Þ¼­µå´Â ÃÖÃÊ·Î ÀÌ Ã¤³ÎÀÌ ¿ÀÇÂÇÏ°í ÀÖ´Â °ÍÀ¸·Î ÁöÁ¤µÈ Ãʱ⠴ë»ó ¼¼Æ®°¡ À¯È¿ÇÑ °ÍÀ» È®ÀÎÇÕ´Ï´Ù.

ÀÌ Ã¤³ÎÀÌ ÁöÁ¤µÈ ¼¿·ºÅÍ¿¡ µî·ÏµÇ¾î ÀÖ´Â °æ¿ì, ±× ´ë»ó ¼¼Æ®°¡ ÁöÁ¤µÈ °ªÀ¸·Î ¼³Á¤µÇ¾î µî·ÏÀ» ³ªÅ¸³»´Â ¼±Åà Ű°¡ ¸®Åϵ˴ϴ٠.

±× ¿ÜÀÇ °æ¿ì, ÀÌ Ã¤³ÎÀº ÁöÁ¤µÈ ¼¿·ºÅÍ¿¡ ¾ÆÁ÷ µî·ÏµÇÁö ¾Ê±â ¶§¹®¿¡ ÀûÀýÇÑ ¶ôÀ» º¸°ü À¯ÁöÇÑ »óÅ·Π¼¿·ºÅÍÀÇ register ¸Þ¼­µå°¡ È£ÃâµË´Ï´Ù. °á°ú·Î ÇÑ »ý¼ºµÈ Å°´Â µ¹·ÁÁÖ°íÁö±â Àü¿¡ ÀÌ Ã¤³ÎÀÇ Å° ¼¼Æ®¿¡ Ãß°¡µË´Ï´Ù.

Á¤ÀÇ:
Ŭ·¡½º SelectableChannel ³»ÀÇ register
ÆĶó¹ÌÅÍ:
sel - ÀÌ Ã¤³ÎÀÇ µî·Ïó ¼¿·ºÅÍ
ops - »ý¼ºµÈ Å°ÀÇ ´ë»ó ¼¼Æ®
att - »ý¼ºµÈ Å°ÀÇ Ã·ºÎ °´Ã¼. nullÀÎ °æ¿ìµµ ÀÖ´Ù
¹Ýȯ°ª:
ÀÌ Ã¤³ÎÀÌ ÁöÁ¤µÈ ¼¿·ºÅÍ¿¡ µî·ÏµÇ¾î ÀÖ´Â °ÍÀ» ³ªÅ¸³»´Â Å°
¿¹¿Ü:
ClosedChannelException - ÀÌ Ã¤³ÎÀÌ Å¬·Î¿ìÁî ÇÏ°í ÀÖ´Â °æ¿ì

implCloseChannel

protected final void implCloseChannel()
                               throws IOException 
ÇöÀçÀÇ Ã¤³ÎÀ» ´Ý½À´Ï´Ù.

ÀÌ ¸Þ¼­µå´Â AbstractInterruptibleChannel Ŭ·¡½º¿¡¼­ ÁöÁ¤µÇ°í ÀÖ½À´Ï´Ù. ÀÌ ¸Þ¼­µå´Â close ¸Þ¼­µå¿¡ ÀÇÇØ ºÒ·Á °£µÚ ÀÌ Ã¤³ÎÀ» ½ÇÁ¦·Î Ŭ·Î¿ìÁî Çϴ ó¸®¸¦ ½Ç½ÃÇϱâ À§Çؼ­ implCloseSelectableChannel ¸Þ¼­µå¸¦ È£ÃâÇÕ´Ï´Ù. ´ÙÀ½¿¡ ÀÌ Ã¤³ÎÀÇ Å°¸¦ ¸ðµÎ Ãë¼ÒÇÕ´Ï´Ù.

Á¤ÀÇ:
Ŭ·¡½º AbstractInterruptibleChannel ³»ÀÇ implCloseChannel
¿¹¿Ü:
IOException - ä³ÎÀÇ Å¬·Î¿ìÁîÁß¿¡ ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

implCloseSelectableChannel

protected abstract void implCloseSelectableChannel()
                                            throws IOException 
ÀÌ ¼±Åà °¡´É ä³ÎÀ» ´Ý½À´Ï´Ù.

ÀÌ ¸Þ¼­µå´Â ä³ÎÀ» Ŭ·Î¿ìÁî ÇÏ´Â ½ÇÁ¦ÀÇ Ã³¸®¸¦ ½ÇÇàÇϱâ À§Çؼ­ close ¸Þ¼­µå¿¡ ÀÇÇØ È£ÃâÇÕ´Ï´Ù. ÀÌ ¸Þ¼­µå´Â ä³ÎÀÌ ¾ÆÁ÷ Ŭ·Î¿ìÁî ÇÏ°í ÀÖÁö ¾Ê´Â °æ¿ì¿¡°Ô¸¸ ºÒ·Á°¡ 2ȸ ÀÌ»ó ºÒ·Á °¥ °ÍÀº ¾ø½À´Ï´Ù.

ÀÌ ¸Þ¼­µåÀÇ ±¸ÇöÀº ÀÌ Ã¤³Î¿¡ ´ëÇÑ ÀÔÃâ·Â Á¶ÀÛÀÇ µµÁß¿¡ ºí·Ï µÇ´Â ±× ¿ÜÀÇ thread¸¦, ¿¹¿Ü¸¦ Throw ÇÏ´ÂÁö, º¸Åë ÀÇ ¹æ¹ýÀ» »ç¿ëÇØ Áï½Ã Á¾·á½ÃÅ°°Ô µÇ¾î ÀÖ½À´Ï´Ù.

¿¹¿Ü:
IOException

isBlocking

public final boolean isBlocking()
Ŭ·¡½º SelectableChannel ±â¼ú:
ÀÌ Ã¤³Î»óÀÇ °³°³ÀÇ ÀÔÃâ·Â Á¶ÀÛÀÌ ÀüÀÇ ÀÔÃâ·Â Á¶ÀÛÀÌ ¿Ï·áÇÒ ¶§±îÁö ºí·Ï µÉÁö ¾î¶³Áö¸¦ ÆÇ´ÜÇÕ´Ï´Ù. »õ·Ó°Ô ÀÛ¼ºµÈ ä³ÎÀº Ç×»ó ºí·Ï ¸ðµåÀÔ´Ï´Ù.

ÀÌ Ã¤³ÎÀÌ Å¬·Î¿ìÁî ÇÏ°í ÀÖ´Â °æ¿ì, ÀÌ ¸Þ¼­µåÀÇ ¹Ýȯ°ªÀº ƯÁ¤µÇÁö ¾Ê½À´Ï´Ù.

Á¤ÀÇ:
Ŭ·¡½º SelectableChannel ³»ÀÇ isBlocking
¹Ýȯ°ª:
ÀÌ Ã¤³ÎÀÌ ºí·Ï ¸ðµåÀÎ °æ¿ì¿¡ ÇÑÁ¤ÇØ true

blockingLock

public final Object  blockingLock()
Ŭ·¡½º SelectableChannel ±â¼ú:
configureBlocking ¸Þ¼­µå¿Í register ¸Þ¼­µå°¡ µ¿±âÀÇ ´ë»óÀ¸·Î ÇÏ´Â °´Ã¼¸¦ ¸®ÅÏÇÕ´Ï´Ù. ÀÌ ±â´ÉÀº ƯÁ¤ÀÇ ºí·Ï ¸ðµå¸¦ ´Ü½Ã°£ º¸°ü À¯ÁöÇÒ ÇÊ¿ä°¡ ÀÖ´Â ¾î´ðÅ͸¦ ±¸ÇöÇÏ´Â °æ¿ì¿¡ Æí¸®ÇÕ´Ï´Ù.

Á¤ÀÇ:
Ŭ·¡½º SelectableChannel ³»ÀÇ blockingLock
¹Ýȯ°ª:
ºí·Ï ¸ðµåÀÇ ¶ô °´Ã¼

configureBlocking

public final SelectableChannel  configureBlocking(boolean block)
                                          throws IOException 
ÀÌ Ã¤³ÎÀÇ ºí·Ï ¸ðµå¸¦ Á¶Á¤ÇÕ´Ï´Ù.

ÁöÁ¤µÈ ºí·Ï ¸ðµå°¡ ÇöÀçÀÇ ºí·Ï ¸ðµå¿Í ´Ù¸£°í ÀÖ´Â °æ¿ì, ÀÌ ¸Þ¼­µå´Â ÀûÀýÇÑ ¶ôÀ» º¸°ü À¯ÁöÇÑ »óÅ·ΠimplConfigureBlocking ¸Þ¼­µå¸¦ È£ÃâÇØ ¸ðµå¸¦ º¯°æÇÕ´Ï´Ù.

Á¤ÀÇ:
Ŭ·¡½º SelectableChannel ³»ÀÇ configureBlocking
ÆĶó¹ÌÅÍ:
block - ÀÌ Ã¤³ÎÀÌ ºí·Ï ¸ðµå°¡ µÇ´Â °æ¿ì´Â true, ºñºí·Ï ¸ðµå°¡ µÇ´Â °æ¿ì´Â false
¹Ýȯ°ª:
ÀÌ ¼±Åà °¡´É ä³Î
¿¹¿Ü:
ClosedChannelException - ÀÌ Ã¤³ÎÀÌ Å¬·Î¿ìÁî ÇÏ°í ÀÖ´Â °æ¿ì
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

implConfigureBlocking

protected abstract void implConfigureBlocking(boolean block)
                                       throws IOException 
ÀÌ Ã¤³ÎÀÇ ºí·Ï ¸ðµå¸¦ Á¶Á¤ÇÕ´Ï´Ù.

ÀÌ ¸Þ¼­µå´Â ºí·Ï ¸ðµå¸¦ º¯°æÇÏ´Â ½ÇÁ¦ÀÇ Ã³¸®¸¦ ½Ç½ÃÇϱâ À§Çؼ­ configureBlocking ¸Þ¼­µå¿¡ ÀÇÇØ È£ÃâÇÕ´Ï´Ù. ÀÌ ¸Þ¼­µå´Â »õ·Î¿î ¸ðµå°¡ ÇöÀçÀÇ ¸ðµå¿Í ´Ù¸£°í ÀÖ´Â °æ¿ì¿¡ ÇÑÁ¤ÇØ È£ÃâÇÕ´Ï´Ù.

¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

JavaTM 2 Platform
Standard Ed. 5.0

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