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-rw-r--r--java/src/StreamHead.java120
1 files changed, 0 insertions, 120 deletions
diff --git a/java/src/StreamHead.java b/java/src/StreamHead.java
deleted file mode 100644
index 37d9c2af0c3..00000000000
--- a/java/src/StreamHead.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*************************************************
- *
- * = PACKAGE
- * JACE.ASX
- *
- * = FILENAME
- * StreamHead.java
- *
- *@author Prashant Jain
- *
- *************************************************/
-package JACE.ASX;
-
-import JACE.OS.*;
-
-/**
- * <hr>
- * <h2>SYNOPSIS</h2>
- *<blockquote>
- * Standard module that acts as the head of a ustream.
- *</blockquote>
- */
-
-public class StreamHead extends Task
-{
- // Module that acts as the head of a Stream.
-
- public int open (Object obj)
- {
- return 0;
- }
-
- public int close (long l)
- {
- return 0;
- }
-
- public int svc ()
- {
- return -1;
- }
-
- private int control (MessageBlock mb)
- {
-
- IOCntlMsg ioc = (IOCntlMsg) mb.obj ();
- int cmd = ioc.cmd ();
-
- switch (cmd)
- {
- case IOCntlCmds.SET_LWM:
- case IOCntlCmds.SET_HWM:
- this.waterMarks (cmd, mb.cont ().length ());
- ioc.rval (0);
- break;
- default:
- return 0;
- }
- return ioc.rval ();
- }
-
- /* Performs canonical flushing at the ACE_Stream Head */
-
- private int canonicalFlush (MessageBlock mb)
- {
- String s = mb.base ();
- long f = (new Long (s)).longValue ();
-
- if ((f & TaskFlags.ACE_FLUSHR) != 0)
- {
- this.flush (TaskFlags.ACE_FLUSHALL);
- f &= ~TaskFlags.ACE_FLUSHR;
- }
- if ((f & TaskFlags.ACE_FLUSHW) != 0)
- return this.reply (mb, new TimeValue ());
- return 0;
- }
-
- public int put (MessageBlock mb, TimeValue tv)
- {
- int res = 0;
- if (mb.msgType () == MessageType.MB_IOCTL
- && (res = this.control (mb)) == -1)
- return res;
-
- if (this.isWriter ())
- {
- return this.putNext (mb, tv);
- }
- else /* this.isReader () */
- {
- switch (mb.msgType ())
- {
- case MessageType.MB_FLUSH:
- return this.canonicalFlush (mb);
- default:
- break;
- }
-
- try
- {
- return this.putq (mb, tv);
- }
- catch (InterruptedException e)
- {
- return -1;
- }
- }
- }
-
- public void dump ()
- {
- }
-
- public int handleTimeout (TimeValue tv, Object obj)
- {
- return 0;
- }
-
-}