Abstract channel schedulers + Mob animation track + More portal SFX

Implemented an improved scheduler system for channels, on where Runnables objects are "registered in" to run on a scheduled future time (effective run time will depend on the proc time of the worker acting under-the-hood).
Implemented a channel scheduler for detecting "mobs currently on animation state". This allows the server to send info to the client about whether a mob should cast a skill or not at that moment.
Improved concurrent protection on MapleMonster listeners registry.
Improved resource deallocation when destroying a monster object.
Added a server flag to allow clean slates to be used on equipments even on the "only successfully used scroll slots" case.
Fixed a critical deadlock case with MapleServerHandler.
Added the portal SFX for many scripted portals that still lacked the sound effect.

src/net/server/channel/Channel.java

@@ -21,7 +21,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 package net.server.channel;
 
-import net.server.channel.worker.MobStatusScheduler;
 import java.io.File;
 import java.net.InetSocketAddress;
 import java.util.ArrayList;
@@ -43,9 +42,12 @@ import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock;
 
 import net.MapleServerHandler;
 import net.mina.MapleCodecFactory;
-import net.server.Server;
-import net.server.world.World;
+
 import net.server.PlayerStorage;
+import net.server.Server;
+import net.server.channel.worker.*;
+
+import net.server.world.World;
 import net.server.world.MapleParty;
 import net.server.world.MaplePartyCharacter;
 
@@ -86,6 +88,8 @@ public final class Channel {
     private MapleMapFactory mapFactory;
     private EventScriptManager eventSM;
     private MobStatusScheduler mobStatusSchedulers[] = new MobStatusScheduler[4];
+    private MobAnimationScheduler mobAnimationSchedulers[] = new MobAnimationScheduler[4];
+    private OverallScheduler channelSchedulers[] = new OverallScheduler[4];
     private Map<Integer, MapleHiredMerchant> hiredMerchants = new HashMap<>();
     private final Map<Integer, Integer> storedVars = new HashMap<>();
     private List<MapleExpedition> expeditions = new ArrayList<>();
@@ -154,6 +158,8 @@ public final class Channel {
             
             for(int i = 0; i < 4; i++) {
                 mobStatusSchedulers[i] = new MobStatusScheduler();
+                mobAnimationSchedulers[i] = new MobAnimationScheduler();
+                channelSchedulers[i] = new OverallScheduler();
             }
             
             System.out.println("    Channel " + getId() + ": Listening on port " + port);
@@ -824,7 +830,7 @@ public final class Channel {
         }
     }
     
-    private static int getMobStatusSchedulerIndex(int mapid) {
+    private static int getChannelSchedulerIndex(int mapid) {
         if(mapid >= 250000000) {
             if(mapid >= 900000000) {
                 return 3;
@@ -845,11 +851,23 @@ public final class Channel {
     }
     
     public void registerMobStatus(int mapid, MonsterStatusEffect mse, Runnable cancelAction, long duration, Runnable overtimeAction, int overtimeDelay) {
-        mobStatusSchedulers[getMobStatusSchedulerIndex(mapid)].registerMobStatus(mse, cancelAction, duration, overtimeAction, overtimeDelay);
+        mobStatusSchedulers[getChannelSchedulerIndex(mapid)].registerMobStatus(mse, cancelAction, duration, overtimeAction, overtimeDelay);
     }
     
     public void interruptMobStatus(int mapid, MonsterStatusEffect mse) {
-        mobStatusSchedulers[getMobStatusSchedulerIndex(mapid)].interruptMobStatus(mse);
+        mobStatusSchedulers[getChannelSchedulerIndex(mapid)].interruptMobStatus(mse);
+    }
+    
+    public boolean registerMobOnAnimationEffect(int mapid, int mobHash, long delay) {
+        return mobAnimationSchedulers[getChannelSchedulerIndex(mapid)].registerAnimationMode(mobHash, delay);
+    }
+    
+    public void registerOverallAction(int mapid, Runnable runAction, long delay) {
+        channelSchedulers[getChannelSchedulerIndex(mapid)].registerDelayedAction(runAction, delay);
+    }
+    
+    public void forceRunOverallAction(int mapid, Runnable runAction) {
+        channelSchedulers[getChannelSchedulerIndex(mapid)].forceRunDelayedAction(runAction);
     }
     
     public void debugMarriageStatus() {

src/net/server/channel/handlers/MoveLifeHandler.java

@@ -43,6 +43,7 @@ import tools.data.input.SeekableLittleEndianAccessor;
 /**
  * @author Danny (Leifde)
  * @author ExtremeDevilz
+ * @author Ronan (HeavenMS)
  */
 public final class MoveLifeHandler extends AbstractMovementPacketHandler {
 	@Override
@@ -76,49 +77,62 @@ public final class MoveLifeHandler extends AbstractMovementPacketHandler {
 
 		int nextCastSkill = useSkillId;
 		int nextCastSkillLevel = useSkillLevel;
-		
-		MobSkill toUse = null;
-		
-		int percHpLeft = (int) (((float) monster.getHp() / monster.getMaxHp()) * 100);
                 
-		if (nextMovementCouldBeSkill && monster.getNoSkills() > 0) {
-			int Random = Randomizer.nextInt(monster.getNoSkills());
-			Pair<Integer, Integer> skillToUse = monster.getSkills().get(Random);
-			nextCastSkill = skillToUse.getLeft();
-			nextCastSkillLevel = skillToUse.getRight();
-			toUse = MobSkillFactory.getMobSkill(nextCastSkill, nextCastSkillLevel);
+		MobSkill toUse = null;
+                int rndSkill = -1;
+                
+                if(monster.getNoSkills() > 0) {
+                        if(nextMovementCouldBeSkill) {
+                                rndSkill = Randomizer.nextInt(monster.getNoSkills());
+                        }
+                } else {
+                        nextMovementCouldBeSkill = false;
+                }
+		
+                if(monster.applyAnimationIfRoaming((attackId - 13) / 2, rndSkill)) {
+                        if (rndSkill > -1) {
+                                Pair<Integer, Integer> skillToUse = monster.getSkills().get(rndSkill);
+                                nextCastSkill = skillToUse.getLeft();
+                                nextCastSkillLevel = skillToUse.getRight();
+                                toUse = MobSkillFactory.getMobSkill(nextCastSkill, nextCastSkillLevel);
 
-			if (isSkill || isAttack) {
-				if (nextCastSkill != toUse.getSkillId() || nextCastSkillLevel != toUse.getSkillLevel()) {
-					//toUse.resetAnticipatedSkill();
-					return;
-				} else if (toUse.getHP() < percHpLeft) {
-					toUse = null;
-				} else if (monster.canUseSkill(toUse)) {
-                                        int animationTime = MapleMonsterInformationProvider.getInstance().getMobSkillAnimationTime(monster.getId(), Random);
-                                        if(animationTime > 0) {
-                                                toUse.applyDelayedEffect(c.getPlayer(), monster, true, banishPlayers, animationTime);
+                                if (isSkill || isAttack) {
+                                        int percHpLeft = (int) (((float) monster.getHp() / monster.getMaxHp()) * 100);
+                                        if (nextCastSkill != toUse.getSkillId() || nextCastSkillLevel != toUse.getSkillLevel()) {
+                                                //toUse.resetAnticipatedSkill();
+                                                return;
+                                        } else if (toUse.getHP() < percHpLeft) {
+                                                toUse = null;
+                                        } else if (monster.canUseSkill(toUse)) {
+                                                int animationTime = MapleMonsterInformationProvider.getInstance().getMobSkillAnimationTime(monster.getId(), rndSkill);
+                                                if(animationTime > 0) {
+                                                        toUse.applyDelayedEffect(c.getPlayer(), monster, true, banishPlayers, animationTime);
+                                                } else {
+                                                        toUse.applyEffect(c.getPlayer(), monster, true, banishPlayers);
+                                                }
                                         } else {
-                                                toUse.applyEffect(c.getPlayer(), monster, true, banishPlayers);
+                                                toUse = null;
                                         }
-				} else {
-                                        toUse = null;
-                                }
-			} else {
-                                toUse = null; // paliative measure for suspicious mob movement
-                            
-                                /*
-                                long curtime = System.currentTimeMillis();
-                                if(curtime >= monster.getNextBasicSkillTime()) {  // dont use the special attack too often, chase the player f3
-                                        MobAttackInfo mobAttack = MobAttackInfoFactory.getMobAttackInfo(monster, attackId);
-                                        monster.setNextBasicSkillTime(curtime);
                                 } else {
-                                        toUse = null;
-                                }
-                                */
-			}
-		}
+                                        toUse = null; // paliative measure for suspicious mob movement
 
+                                        /*
+                                        long curtime = System.currentTimeMillis();
+                                        if(curtime >= monster.getNextBasicSkillTime()) {  // dont use the special attack too often, chase the player f3
+                                                MobAttackInfo mobAttack = MobAttackInfoFactory.getMobAttackInfo(monster, attackId);
+                                                monster.setNextBasicSkillTime(curtime);
+                                        } else {
+                                                toUse = null;
+                                        }
+                                        */
+                                }
+                        }
+                } else {
+                        if(rndSkill > -1) {
+                                nextMovementCouldBeSkill = false;
+                        }
+                }
+                
 		slea.readByte();
 		slea.readInt(); // whatever
 		short start_x = slea.readShort(); // hmm.. startpos?

src/net/server/channel/handlers/ScrollHandler.java

@@ -35,6 +35,7 @@ import java.util.ArrayList;
 import java.util.List;
 import net.AbstractMaplePacketHandler;
 import client.inventory.manipulator.MapleInventoryManipulator;
+import constants.ServerConstants;
 import server.MapleItemInformationProvider;
 import tools.MaplePacketCreator;
 import tools.data.input.SeekableLittleEndianAccessor;
@@ -91,9 +92,10 @@ public final class ScrollHandler extends AbstractMaplePacketHandler {
             }
         }
         
-        if (ItemConstants.isCleanSlate(scroll.getItemId()) && !(toScroll.getLevel() + toScroll.getUpgradeSlots() < ii.getEquipStats(toScroll.getItemId()).get("tuc"))) { //upgrade slots can be over because of hammers
+        if (ItemConstants.isCleanSlate(scroll.getItemId()) && !ii.canUseCleanSlate(toScroll)) {
             return;
         }
+        
         Equip scrolled = (Equip) ii.scrollEquipWithId(toScroll, scroll.getItemId(), whiteScroll, 0, c.getPlayer().isGM());
         ScrollResult scrollSuccess = Equip.ScrollResult.FAIL; // fail
         if (scrolled == null) {

src/net/server/channel/worker/BaseScheduler.java

@@ -0,0 +1,131 @@
+/*
+    This file is part of the HeavenMS MapleStory Server
+    Copyleft 2016 - 2018 RonanLana
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation version 3 as published by
+    the Free Software Foundation. You may not use, modify or distribute
+    this program under any other version of the GNU Affero General Public
+    License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package net.server.channel.worker;
+
+import constants.ServerConstants;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.locks.Lock;
+import server.TimerManager;
+import tools.Pair;
+import tools.locks.MonitoredLockType;
+import tools.locks.MonitoredReentrantLock;
+
+/**
+ *
+ * @author Ronan
+ */
+public abstract class BaseScheduler {
+    private int idleProcs = 0;
+    private List<SchedulerListener> listeners = new LinkedList<>();
+    private Map<Object, Pair<Runnable, Long>> registeredEntries = new HashMap<>();
+    
+    private ScheduledFuture<?> schedulerTask = null;
+    private Lock schedulerLock;
+    private Runnable monitorTask = new Runnable() {
+                                        @Override
+                                        public void run() {
+                                            runBaseSchedule();
+                                        }
+                                    };
+    
+    protected BaseScheduler(MonitoredLockType lockType) {
+        schedulerLock = new MonitoredReentrantLock(lockType, true);
+    }
+    
+    protected void addListener(SchedulerListener listener) {
+        listeners.add(listener);
+    }
+    
+    private void runBaseSchedule() {
+        schedulerLock.lock();
+        try {
+            if(registeredEntries.isEmpty()) {
+                idleProcs++;
+                
+                if(idleProcs >= ServerConstants.MOB_STATUS_MONITOR_LIFE) {
+                    if(schedulerTask != null) {
+                        schedulerTask.cancel(false);
+                        schedulerTask = null;
+                    }
+                }
+                
+                return;
+            }
+            idleProcs = 0;
+            
+            long timeNow = System.currentTimeMillis();
+            List<Object> toRemove = new LinkedList<>();
+            for(Entry<Object, Pair<Runnable, Long>> rmd : registeredEntries.entrySet()) {
+                Pair<Runnable, Long> r = rmd.getValue();
+                
+                if(r.getRight() < timeNow) {
+                    r.getLeft().run();  // runs the cancel action
+                    toRemove.add(rmd.getKey());
+                }
+            }
+            
+            for(Object mse : toRemove) {
+                registeredEntries.remove(mse);
+            }
+            
+            dispatchRemovedEntries(toRemove, true);
+        } finally {
+            schedulerLock.unlock();
+        }
+    }
+    
+    private void dispatchRemovedEntries(List<Object> toRemove, boolean fromUpdate) {
+        for (SchedulerListener listener : listeners.toArray(new SchedulerListener[listeners.size()])) {
+            listener.removedScheduledEntries(toRemove, fromUpdate);
+        }
+    }
+    
+    protected void registerEntry(Object key, Runnable removalAction, long duration) {
+        schedulerLock.lock();
+        try {
+            idleProcs = 0;
+            if(schedulerTask == null) {
+                schedulerTask = TimerManager.getInstance().register(monitorTask, ServerConstants.MOB_STATUS_MONITOR_PROC, ServerConstants.MOB_STATUS_MONITOR_PROC);
+            }
+            
+            registeredEntries.put(key, new Pair<>(removalAction, System.currentTimeMillis() + duration));
+        } finally {
+            schedulerLock.unlock();
+        }
+    }
+    
+    protected void interruptEntry(Object key) {
+        schedulerLock.lock();
+        try {
+            Pair<Runnable, Long> rm = registeredEntries.remove(key);
+            if(rm != null) rm.getLeft().run();
+            
+            dispatchRemovedEntries(Collections.singletonList(key), false);
+        } finally {
+            schedulerLock.unlock();
+        }
+    }
+}

src/net/server/channel/worker/MobAnimationScheduler.java

@@ -0,0 +1,74 @@
+/*
+    This file is part of the HeavenMS MapleStory Server
+    Copyleft 2016 - 2018 RonanLana
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation version 3 as published by
+    the Free Software Foundation. You may not use, modify or distribute
+    this program under any other version of the GNU Affero General Public
+    License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package net.server.channel.worker;
+
+import tools.locks.MonitoredLockType;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.locks.Lock;
+import tools.locks.MonitoredReentrantLock;
+
+/**
+ *
+ * @author Ronan
+ */
+public class MobAnimationScheduler extends BaseScheduler {
+    Set<Integer> onAnimationMobs = new HashSet<>(1000);
+    private Lock animationLock = new MonitoredReentrantLock(MonitoredLockType.CHANNEL_MOBANIMAT, true);
+    
+    private static Runnable r = new Runnable() {
+        @Override
+        public void run() {}    // do nothing
+    };
+    
+    public MobAnimationScheduler() {
+        super(MonitoredLockType.CHANNEL_MOBACTION);
+        
+        super.addListener(new SchedulerListener() {
+            @Override
+            public void removedScheduledEntries(List<Object> toRemove, boolean update) {
+                animationLock.lock();
+                try {
+                    for(Object hashObj : toRemove) {
+                        Integer mobHash = (Integer) hashObj;
+                        onAnimationMobs.remove(mobHash);
+                    }
+                } finally {
+                    animationLock.unlock();
+                }
+            }
+        });
+    }
+    
+    public boolean registerAnimationMode(Integer mobHash, long animationTime) {
+        animationLock.lock();
+        try {
+            if(onAnimationMobs.contains(mobHash)) return false;
+            
+            registerEntry(mobHash, r, animationTime);
+            onAnimationMobs.add(mobHash);
+            return true;
+        } finally {
+            animationLock.unlock();
+        }
+    }
+}

src/net/server/channel/worker/MobStatusScheduler.java

@@ -23,14 +23,9 @@ import client.status.MonsterStatusEffect;
 import constants.ServerConstants;
 import java.util.HashMap;
 import java.util.ArrayList;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import java.util.Map.Entry;
-import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.locks.Lock;
-import server.TimerManager;
-import tools.Pair;
 import tools.locks.MonitoredLockType;
 import tools.locks.MonitoredReentrantLock;
 
@@ -38,10 +33,9 @@ import tools.locks.MonitoredReentrantLock;
  *
  * @author Ronan
  */
-public class MobStatusScheduler {
-    private int idleProcs = 0;
-    private Map<MonsterStatusEffect, Pair<Runnable, Long>> registeredMobStatus = new HashMap<>();
+public class MobStatusScheduler extends BaseScheduler {
     private Map<MonsterStatusEffect, MobStatusOvertimeEntry> registeredMobStatusOvertime = new HashMap<>();
+    private Lock overtimeStatusLock = new MonitoredReentrantLock(MonitoredLockType.CHANNEL_OVTSTATUS, true);
     
     private class MobStatusOvertimeEntry {
         private int procCount;
@@ -63,86 +57,49 @@ public class MobStatusScheduler {
         }
     }
     
-    private ScheduledFuture<?> mobStatusSchedule = null;
-    private Lock mobStatusLock = new MonitoredReentrantLock(MonitoredLockType.CHANNEL_MOBSTATUS, true);
-    private Runnable monitorTask = new Runnable() {
-                                        @Override
-                                        public void run() {
-                                            runMobStatusSchedule();
-                                        }
-                                    };
-    
-    private void runMobStatusSchedule() {
-        mobStatusLock.lock();
-        try {
-            if(registeredMobStatus.isEmpty()) {
-                idleProcs++;
-                
-                if(idleProcs >= ServerConstants.MOB_STATUS_MONITOR_LIFE) {
-                    if(mobStatusSchedule != null) {
-                        mobStatusSchedule.cancel(false);
-                        mobStatusSchedule = null;
+    public MobStatusScheduler() {
+        super(MonitoredLockType.CHANNEL_MOBSTATUS);
+        
+        super.addListener(new SchedulerListener() {
+            @Override
+            public void removedScheduledEntries(List<Object> toRemove, boolean update) {
+                overtimeStatusLock.lock();
+                try {
+                    for(Object mseo : toRemove) {
+                        MonsterStatusEffect mse = (MonsterStatusEffect) mseo;
+                        registeredMobStatusOvertime.remove(mse);
                     }
-                }
-                
-                return;
-            }
-            idleProcs = 0;
-            
-            long timeNow = System.currentTimeMillis();
-            List<MonsterStatusEffect> toRemove = new LinkedList<>();
-            for(Entry<MonsterStatusEffect, Pair<Runnable, Long>> rmd : registeredMobStatus.entrySet()) {
-                Pair<Runnable, Long> r = rmd.getValue();
-                
-                if(r.getRight() < timeNow) {
-                    r.getLeft().run();  // runs the cancel action
-                    toRemove.add(rmd.getKey());
+                    
+                    if(update) {
+                        // it's probably ok to use one thread for both management & overtime actions
+                        List<MobStatusOvertimeEntry> mdoeList = new ArrayList<>(registeredMobStatusOvertime.values());
+                        for(MobStatusOvertimeEntry mdoe : mdoeList) {
+                            mdoe.update();
+                        }
+                    }
+                } finally {
+                    overtimeStatusLock.unlock();
                 }
             }
-            
-            for(MonsterStatusEffect mse : toRemove) {
-                registeredMobStatus.remove(mse);
-                registeredMobStatusOvertime.remove(mse);
-            }
-            
-            // it's probably ok to use one thread for both management & overtime actions
-            List<MobStatusOvertimeEntry> mdoeList = new ArrayList<>(registeredMobStatusOvertime.values());
-            for(MobStatusOvertimeEntry mdoe : mdoeList) {
-                mdoe.update();
-            }
-        } finally {
-            mobStatusLock.unlock();
-        }
+        });
     }
     
     public void registerMobStatus(MonsterStatusEffect mse, Runnable cancelStatus, long duration, Runnable overtimeStatus, int overtimeDelay) {
-        mobStatusLock.lock();
-        try {
-            idleProcs = 0;
-            if(mobStatusSchedule == null) {
-                mobStatusSchedule = TimerManager.getInstance().register(monitorTask, ServerConstants.MOB_STATUS_MONITOR_PROC, ServerConstants.MOB_STATUS_MONITOR_PROC);
-            }
+        if(overtimeStatus != null) {
+            MobStatusOvertimeEntry mdoe = new MobStatusOvertimeEntry(overtimeDelay, overtimeStatus);
             
-            registeredMobStatus.put(mse, new Pair<>(cancelStatus, System.currentTimeMillis() + duration));
-            
-            if(overtimeStatus != null) {
-                MobStatusOvertimeEntry mdoe = new MobStatusOvertimeEntry(overtimeDelay, overtimeStatus);
+            overtimeStatusLock.lock();
+            try {
                 registeredMobStatusOvertime.put(mse, mdoe);
+            } finally {
+                overtimeStatusLock.unlock();
             }
-        } finally {
-            mobStatusLock.unlock();
         }
+        
+        registerEntry(mse, cancelStatus, duration);
     }
     
     public void interruptMobStatus(MonsterStatusEffect mse) {
-        mobStatusLock.lock();
-        try {
-            Pair<Runnable, Long> rmd = registeredMobStatus.remove(mse);
-            if(rmd != null) rmd.getLeft().run();
-            
-            registeredMobStatusOvertime.remove(mse);
-        } finally {
-            mobStatusLock.unlock();
-        }
+        interruptEntry(mse);
     }
 }

src/net/server/channel/worker/OverallScheduler.java

@@ -0,0 +1,40 @@
+/*
+    This file is part of the HeavenMS MapleStory Server
+    Copyleft 2016 - 2018 RonanLana
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation version 3 as published by
+    the Free Software Foundation. You may not use, modify or distribute
+    this program under any other version of the GNU Affero General Public
+    License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package net.server.channel.worker;
+
+import tools.locks.MonitoredLockType;
+
+/**
+ *
+ * @author Ronan
+ */
+public class OverallScheduler extends BaseScheduler {
+    public OverallScheduler() {
+        super(MonitoredLockType.CHANNEL_OVERALL);
+    }
+    
+    public void registerDelayedAction(Runnable runAction, long delay) {
+        registerEntry(runAction, runAction, delay);
+    }
+    
+    public void forceRunDelayedAction(Runnable runAction) {
+        interruptEntry(runAction);
+    }
+}

src/net/server/channel/worker/SchedulerListener.java

@@ -0,0 +1,30 @@
+/*
+    This file is part of the HeavenMS MapleStory Server
+    Copyleft 2016 - 2018 RonanLana
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation version 3 as published by
+    the Free Software Foundation. You may not use, modify or distribute
+    this program under any other version of the GNU Affero General Public
+    License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package net.server.channel.worker;
+
+import java.util.List;
+
+/**
+ *
+ * @author Ronan
+ */
+public interface SchedulerListener {
+    public void removedScheduledEntries(List<Object> entries, boolean update);
+}