AfflictionNetworks/samskivert
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Use a SortableArrayList instead of sorting a regular array list to avoid

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creating craploads of objects every time an interval expires.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@584 6335cc39-0255-0410-8fd6-9bcaacd3b74c
This commit is contained in:
mdb
2002-02-19 03:39:41 +00:00
parent 57a2d005a4
commit defce23751
1 changed files with 5 additions and 6 deletions
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projects/samskivert/src/java/com/samskivert/util/IntervalManager.java
+5 -6
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@@ -1,5 +1,5 @@
// //
// $Id: IntervalManager.java,v 1.4 2001/09/15 17:22:11 mdb Exp $ // $Id: IntervalManager.java,v 1.5 2002/02/19 03:39:41 mdb Exp $
// //
// samskivert library - useful routines for java programs // samskivert library - useful routines for java programs
// Copyright (C) 2001 Michael Bayne // Copyright (C) 2001 Michael Bayne
@@ -20,8 +20,6 @@
package com.samskivert.util; package com.samskivert.util;
import java.util.*;
import java.util.Collections;
import com.samskivert.Log; import com.samskivert.Log;
/** /**
@@ -93,7 +91,7 @@ public class IntervalManager extends Thread
IntervalItem item = new IntervalItem(i, delay, arg, recur); IntervalItem item = new IntervalItem(i, delay, arg, recur);
_hash.put(item.id, item); _hash.put(item.id, item);
_schedule.add(item); _schedule.add(item);
Collections.sort(_schedule); _schedule.sort();
if (item.endtime < _nextwake) { if (item.endtime < _nextwake) {
_mgr.notify(); _mgr.notify();
} }
@@ -191,7 +189,7 @@ public class IntervalManager extends Thread
// since we're definitionally not sleeping, we can just // since we're definitionally not sleeping, we can just
// insert into the queue without checking wait times.. // insert into the queue without checking wait times..
_schedule.add(item); _schedule.add(item);
Collections.sort(_schedule); _schedule.sort();
} else { } else {
// otherwise, get rid of this interval altogether // otherwise, get rid of this interval altogether
@@ -245,7 +243,8 @@ public class IntervalManager extends Thread
// If we someday find that we have a lot of intervaleds, we may want // If we someday find that we have a lot of intervaleds, we may want
// to rewrite this such that we can add and remove intervaleds much // to rewrite this such that we can add and remove intervaleds much
// faster. // faster.
protected static ArrayList _schedule = new ArrayList(); protected static SortableArrayList _schedule = new SortableArrayList();
protected static HashIntMap _hash = new HashIntMap(); protected static HashIntMap _hash = new HashIntMap();
protected static long _nextwake = Long.MAX_VALUE; protected static long _nextwake = Long.MAX_VALUE;