Updating chunk sending algorithm effects #210,#204,#167,#162

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Claim.java

@@ -74,7 +74,6 @@ public class Claim extends SubCommand {
                 SchematicHandler.manager.paste(sch, plot2, 0, 0);
             }
             PlotSquared.getPlotManager(world).claimPlot(plotworld, plot);
-            MainUtil.update(loc);
         }
         return result;
     }

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Copy.java

@@ -70,7 +70,6 @@ public class Copy extends SubCommand {
             @Override
             public void run() {
                 MainUtil.sendMessage(plr, C.COPY_SUCCESS);
-                MainUtil.update(plr.getLocation());
             }
         })) {
             return true;

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/CreateRoadSchematic.java

@@ -45,7 +45,6 @@ public class CreateRoadSchematic extends SubCommand {
             return sendMessage(player, C.NOT_IN_PLOT_WORLD);
         }
         HybridUtils.manager.setupRoadSchematic(plot);
-        MainUtil.update(loc);
         MainUtil.sendMessage(player, "&6Saved new road schematic");
         return true;
     }

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/DebugRoadRegen.java

@@ -43,11 +43,7 @@ public class DebugRoadRegen extends SubCommand {
         }
         final ChunkLoc chunk = new ChunkLoc(loc.getX() >> 4, loc.getZ() >> 4);
         final boolean result = HybridUtils.manager.regenerateRoad(world, chunk);
-        if (result) {
-            MainUtil.update(loc);
-        }
         MainUtil.sendMessage(player, "&6Regenerating chunk: " + chunk.x + "," + chunk.z + "\n&6 - Result: " + (result == true ? "&aSuccess" : "&cFailed"));
-        MainUtil.update(loc);
         return true;
     }
 }

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Merge.java

@@ -193,7 +193,6 @@ public class Merge extends SubCommand {
                             MainUtil.sendMessage(plr, C.SUCCESS_MERGE);
                             MainUtil.mergePlots(world, plots, true);
                             MainUtil.setSign(UUIDHandler.getName(plot.owner), plot);
-                            MainUtil.update(loc);
                         }
                         MainUtil.sendMessage(accepter, C.MERGE_ACCEPTED);
                     }
@@ -223,7 +222,6 @@ public class Merge extends SubCommand {
         MainUtil.sendMessage(plr, C.SUCCESS_MERGE);
         MainUtil.mergePlots(world, plots, true);
         MainUtil.setSign(UUIDHandler.getName(plot.owner), plot);
-        MainUtil.update(loc);
         return true;
     }
 }

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Move.java

@@ -86,7 +86,6 @@ public class Move extends SubCommand {
             @Override
             public void run() {
                 MainUtil.sendMessage(plr, C.MOVE_SUCCESS);
-                MainUtil.update(plr.getLocation());
             }
         })) {
             return true;

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/SchematicCmd.java

@@ -139,7 +139,6 @@ public class SchematicCmd extends SubCommand {
                                     if (start > blen) {
                                         SchematicHandler.manager.pasteStates(schematic, plot, 0, 0);
                                         sendMessage(plr, C.SCHEMATIC_PASTE_SUCCESS);
-                                        MainUtil.update(plr.getLocation());
                                         SchematicCmd.this.running = false;
                                         PlotSquared.TASK.cancelTask(SchematicCmd.this.task);
                                         return;

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Set.java

@@ -246,7 +246,6 @@ public class Set extends SubCommand {
                     }
                 }
                 manager.setComponent(plotworld, plot.id, component, blocks);
-                MainUtil.update(loc);
                 MainUtil.sendMessage(plr, C.GENERATING_COMPONENT);
                 return true;
             }

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Swap.java

@@ -125,7 +125,6 @@ public class Swap extends SubCommand {
                 public void run() {
                     if (last) {
                         MainUtil.sendMessage(plr, C.SWAP_SUCCESS);
-                        MainUtil.update(plr.getLocation());
                     }
                 }
             });

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Unlink.java

@@ -70,7 +70,6 @@ public class Unlink extends SubCommand {
                     MainUtil.sendMessage(plr, "&cUnlink has been cancelled");
                     return;
                 }
-                MainUtil.update(plr.getLocation());
                 MainUtil.sendMessage(plr, C.UNLINK_SUCCESS);
             }
         };

PlotSquared/src/main/java/com/intellectualcrafters/plot/generator/AugmentedPopulator.java

@@ -1,6 +1,5 @@
 package com.intellectualcrafters.plot.generator;
 
-import java.util.Arrays;
 import java.util.Iterator;
 import java.util.Random;
 
@@ -19,9 +18,7 @@ import com.intellectualcrafters.plot.object.PlotId;
 import com.intellectualcrafters.plot.object.PlotManager;
 import com.intellectualcrafters.plot.object.PlotWorld;
 import com.intellectualcrafters.plot.object.RegionWrapper;
-import com.intellectualcrafters.plot.util.BlockUpdateUtil;
 import com.intellectualcrafters.plot.util.ChunkManager;
-import com.intellectualcrafters.plot.util.MainUtil;
 import com.intellectualcrafters.plot.util.TaskManager;
 import com.intellectualcrafters.plot.util.bukkit.BukkitChunkManager;
 import com.intellectualcrafters.plot.util.bukkit.BukkitSetBlockManager;
@@ -132,7 +129,6 @@ public class AugmentedPopulator extends BlockPopulator {
                 public void run() {
                     populateBiome(world, x, z);
                     chunk.unload(true, true);
-                    BukkitSetBlockManager.setBlockManager.update(Arrays.asList(new Chunk[] { chunk }));
                 }
             }, 20);
         } else {
@@ -148,7 +144,6 @@ public class AugmentedPopulator extends BlockPopulator {
                     chunk.load(true);
                     populateBlocks(world, rand, X, Z, x, z, check);
                     chunk.unload(true, true);
-                    BukkitSetBlockManager.setBlockManager.update(Arrays.asList(new Chunk[] { chunk }));
                 }
             }, 40 + rand.nextInt(40));
         }
@@ -190,9 +185,6 @@ public class AugmentedPopulator extends BlockPopulator {
         }
         for (final BlockPopulator populator : this.generator.getDefaultPopulators(world)) {
             Chunk chunk = world.getChunkAt(X, Z);
-            if (MainUtil.canSetFast) {
-                ((BukkitSetBlockManager) BlockUpdateUtil.setBlockManager).update(Arrays.asList(chunk));
-            }
             populator.populate(world, this.r, chunk);
         }
     }

PlotSquared/src/main/java/com/intellectualcrafters/plot/generator/BukkitHybridUtils.java

@@ -11,12 +11,10 @@ import org.bukkit.plugin.Plugin;
 
 import com.intellectualcrafters.plot.BukkitMain;
 import com.intellectualcrafters.plot.PlotSquared;
-import com.intellectualcrafters.plot.api.PlotAPI;
 import com.intellectualcrafters.plot.config.C;
 import com.intellectualcrafters.plot.object.ChunkLoc;
 import com.intellectualcrafters.plot.object.PlotBlock;
 import com.intellectualcrafters.plot.util.ChunkManager;
-import com.intellectualcrafters.plot.util.bukkit.BukkitSetBlockManager;
 import com.intellectualcrafters.plot.util.bukkit.BukkitUtil;
 
 public class BukkitHybridUtils extends HybridUtils {

PlotSquared/src/main/java/com/intellectualcrafters/plot/generator/HybridGen.java

@@ -24,10 +24,8 @@ import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map.Entry;
-import java.util.Random;
 
 import org.bukkit.Bukkit;
-import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.block.Biome;
 

PlotSquared/src/main/java/com/intellectualcrafters/plot/generator/HybridPop.java

@@ -2,12 +2,9 @@ package com.intellectualcrafters.plot.generator;
 
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.Random;
 
-import org.bukkit.Chunk;
 import org.bukkit.World;
 import org.bukkit.block.Biome;
-import org.bukkit.generator.BlockPopulator;
 
 import com.intellectualcrafters.plot.PlotSquared;
 import com.intellectualcrafters.plot.object.PlotLoc;
@@ -17,7 +14,6 @@ import com.intellectualcrafters.plot.object.PseudoRandom;
 import com.intellectualcrafters.plot.object.RegionWrapper;
 import com.intellectualcrafters.plot.object.schematic.PlotItem;
 import com.intellectualcrafters.plot.util.BlockManager;
-import com.intellectualcrafters.plot.util.ChunkManager;
 
 /**
  * @author Citymonstret

PlotSquared/src/main/java/com/intellectualcrafters/plot/object/PlotPopulator.java

@@ -1,17 +1,13 @@
 package com.intellectualcrafters.plot.object;
 
 import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Random;
 import java.util.Map.Entry;
+import java.util.Random;
 
 import org.bukkit.Chunk;
 import org.bukkit.World;
 import org.bukkit.generator.BlockPopulator;
 
-import com.intellectualcrafters.plot.PlotSquared;
-import com.intellectualcrafters.plot.object.schematic.PlotItem;
-import com.intellectualcrafters.plot.util.BlockManager;
 import com.intellectualcrafters.plot.util.ChunkManager;
 import com.intellectualcrafters.plot.util.bukkit.BukkitUtil;
 

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/BlockManager.java

@@ -2,7 +2,6 @@ package com.intellectualcrafters.plot.util;
 
 import com.intellectualcrafters.plot.object.Location;
 import com.intellectualcrafters.plot.object.PlotBlock;
-import com.intellectualcrafters.plot.object.PseudoRandom;
 import com.intellectualcrafters.plot.object.schematic.PlotItem;
 
 public abstract class BlockManager {

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/BlockUpdateUtil.java

@@ -1,11 +1,11 @@
 package com.intellectualcrafters.plot.util;
 
-import java.util.List;
+import java.util.Collection;
 
 import com.intellectualcrafters.plot.object.ChunkLoc;
 
 public abstract class BlockUpdateUtil {
     public static BlockUpdateUtil setBlockManager = null;
 
-    public abstract void update(String worldname, List<ChunkLoc> chunkLocs);
+    public abstract void update(String worldname, Collection<ChunkLoc> chunkLocs);
 }

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/ClusterManager.java

@@ -1,7 +1,6 @@
 package com.intellectualcrafters.plot.util;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Random;
@@ -23,7 +22,6 @@ import com.intellectualcrafters.plot.object.PlotId;
 import com.intellectualcrafters.plot.object.PlotManager;
 import com.intellectualcrafters.plot.object.PlotPlayer;
 import com.intellectualcrafters.plot.object.PlotWorld;
-import com.intellectualcrafters.plot.util.bukkit.BukkitSetBlockManager;
 import com.intellectualcrafters.plot.util.bukkit.BukkitUtil;
 import com.intellectualcrafters.plot.util.bukkit.UUIDHandler;
 
@@ -277,7 +275,6 @@ public class ClusterManager {
                 @Override
                 public void run() {
                     if ((populator == null) || (plotworld.TYPE == 0)) {
-                        BukkitSetBlockManager.setBlockManager.update(Arrays.asList(new Chunk[] { chunk }));
                         world.regenerateChunk(chunk.getX(), chunk.getZ());
                         chunk.unload(true, true);
                     } else {

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/MainUtil.java

@@ -29,7 +29,6 @@ import com.intellectualcrafters.plot.config.C;
 import com.intellectualcrafters.plot.config.Settings;
 import com.intellectualcrafters.plot.database.DBFunc;
 import com.intellectualcrafters.plot.object.BlockLoc;
-import com.intellectualcrafters.plot.object.ChunkLoc;
 import com.intellectualcrafters.plot.object.Location;
 import com.intellectualcrafters.plot.object.Plot;
 import com.intellectualcrafters.plot.object.PlotBlock;
@@ -171,20 +170,20 @@ public class MainUtil {
         }
     }
 
-    public static void update(final Location loc) {
+//    public static void update(final Location loc) {
-        final String world = loc.getWorld();
+//        final String world = loc.getWorld();
-        int ox = loc.getX() >> 4;
+//        int ox = loc.getX() >> 4;
-        int oz = loc.getZ() >> 4;
+//        int oz = loc.getZ() >> 4;
-        final ArrayList<ChunkLoc> chunks = new ArrayList<>();
+//        final ArrayList<ChunkLoc> chunks = new ArrayList<>();
-        final int distance = BukkitUtil.getViewDistance();
+//        final int distance = BukkitUtil.getViewDistance();
-        for (int cx = -distance; cx <= distance; cx++) {
+//        for (int cx = -distance; cx <= distance; cx++) {
-            for (int cz = -distance; cz <= distance; cz++) {
+//            for (int cz = -distance; cz <= distance; cz++) {
-                final ChunkLoc chunk = new ChunkLoc(ox + cx, oz + cz);
+//                final ChunkLoc chunk = new ChunkLoc(ox + cx, oz + cz);
-                chunks.add(chunk);
+//                chunks.add(chunk);
-            }
+//            }
-        }
+//        }
-        BlockUpdateUtil.setBlockManager.update(world, chunks);
+//        BlockUpdateUtil.setBlockManager.update(world, chunks);
-    }
+//    }
 
     public static void createWorld(final String world, final String generator) {
     }
@@ -418,7 +417,6 @@ public class MainUtil {
             }
             merge = false;
         }
-        update(getPlotHome(world, plot));
     }
 
     private static boolean ownsPlots(final String world, final ArrayList<PlotId> plots, final UUID uuid, final int dir) {
@@ -547,7 +545,6 @@ public class MainUtil {
                 MainUtil.setBiome(world, plot, "FOREST");
                 runners.remove(plot);
                 TaskManager.runTask(whenDone);
-                update(location);
             }
         };
         manager.clearPlot(plotworld, plot, isDelete, run);
@@ -611,7 +608,6 @@ public class MainUtil {
         final int bottomZ = getPlotBottomLoc(world, plot.id).getZ() + 1;
         final int topZ = getPlotTopLoc(world, plot.id).getZ();
         BukkitUtil.setBiome(world, bottomX, bottomZ, topX, topZ, biome);
-        update(getPlotHome(world, plot));
     }
 
     public static int getHeighestBlock(final String world, final int x, final int z) {

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/BukkitSetBlockManager.java

@@ -1,7 +1,7 @@
 package com.intellectualcrafters.plot.util.bukkit;
 
 import java.util.ArrayList;
-import java.util.List;
+import java.util.Collection;
 
 import org.bukkit.Chunk;
 import org.bukkit.World;
@@ -14,10 +14,10 @@ public abstract class BukkitSetBlockManager extends BlockUpdateUtil {
 
     public abstract void set(final org.bukkit.World world, final int x, final int y, final int z, final int blockId, final byte data);
 
-    public abstract void update(List<Chunk> list);
+    public abstract void update(Collection<Chunk> list);
 
     @Override
-    public void update(final String worldname, final List<ChunkLoc> chunkLocs) {
+    public void update(final String worldname, final Collection<ChunkLoc> chunkLocs) {
         final World world = BukkitUtil.getWorld(worldname);
         final ArrayList<Chunk> chunks = new ArrayList<Chunk>();
         for (final ChunkLoc loc : chunkLocs) {

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/BukkitUtil.java

@@ -1,6 +1,5 @@
 package com.intellectualcrafters.plot.util.bukkit;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
@@ -95,17 +94,17 @@ public class BukkitUtil extends BlockManager {
         return world.getChunkAt(x, z);
     }
 
-    public static void update(final String world, final int x, final int z) {
+//    public static void update(final String world, final int x, final int z) {
-        final ArrayList<Chunk> chunks = new ArrayList<>();
+//        final ArrayList<Chunk> chunks = new ArrayList<>();
-        final int distance = Bukkit.getViewDistance();
+//        final int distance = Bukkit.getViewDistance();
-        for (int cx = -distance; cx < distance; cx++) {
+//        for (int cx = -distance; cx < distance; cx++) {
-            for (int cz = -distance; cz < distance; cz++) {
+//            for (int cz = -distance; cz < distance; cz++) {
-                final Chunk chunk = getChunkAt(world, (x >> 4) + cx, (z >> 4) + cz);
+//                final Chunk chunk = getChunkAt(world, (x >> 4) + cx, (z >> 4) + cz);
-                chunks.add(chunk);
+//                chunks.add(chunk);
-            }
+//            }
-        }
+//        }
-        BukkitSetBlockManager.setBlockManager.update(chunks);
+//        BukkitSetBlockManager.setBlockManager.update(chunks);
-    }
+//    }
 
     public static String getWorld(final Entity entity) {
         return entity.getWorld().getName();

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/SendChunk.java

@@ -3,6 +3,7 @@ package com.intellectualcrafters.plot.util.bukkit;
 import static com.intellectualcrafters.plot.util.ReflectionUtils.getRefClass;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 
 import org.bukkit.Bukkit;
@@ -53,7 +54,7 @@ public class SendChunk {
         ChunkCoordIntPairCon = classChunkCoordIntPair.getConstructor(int.class, int.class);
     }
 
-    public static void sendChunk(final List<Chunk> chunks) {
+    public static void sendChunk(final Collection<Chunk> chunks) {
         int diffx, diffz;
         final int view = Bukkit.getServer().getViewDistance() << 4;
         for (final Chunk chunk : chunks) {

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/SetBlockFast.java

@@ -22,14 +22,16 @@ package com.intellectualcrafters.plot.util.bukkit;
 
 import static com.intellectualcrafters.plot.util.ReflectionUtils.getRefClass;
 
-import java.util.List;
+import java.util.Collection;
+import java.util.HashMap;
 
 import org.bukkit.Chunk;
-import org.bukkit.World;
 
+import com.intellectualcrafters.plot.object.ChunkLoc;
 import com.intellectualcrafters.plot.util.MainUtil;
 import com.intellectualcrafters.plot.util.ReflectionUtils.RefClass;
 import com.intellectualcrafters.plot.util.ReflectionUtils.RefMethod;
+import com.intellectualcrafters.plot.util.TaskManager;
 
 /**
  * SetBlockFast class<br> Used to do fast world editing
@@ -46,6 +48,8 @@ public class SetBlockFast extends BukkitSetBlockManager {
     private static RefMethod methodA;
     private static RefMethod methodGetById;
     
+    public static HashMap<ChunkLoc, Chunk> toUpdate = new HashMap<>();
+
     /**
      * Constructor
      *
@@ -56,6 +60,15 @@ public class SetBlockFast extends BukkitSetBlockManager {
         methodGetChunkAt = classWorld.getMethod("getChunkAt", int.class, int.class);
         methodA = classChunk.getMethod("a", int.class, int.class, int.class, classBlock, int.class);
         methodGetById = classBlock.getMethod("getById", int.class);
+        TaskManager.runTaskRepeat(new Runnable() {
+            
+            @Override
+            public void run() {
+                // TODO Auto-generated method stub
+                update(toUpdate.values());
+                toUpdate = new HashMap<>();
+            }
+        }, 20);
     }
 
     /**
@@ -83,14 +96,13 @@ public class SetBlockFast extends BukkitSetBlockManager {
      * @param chunks list of chunks to update
      */
     @Override
-    public void update(final List<Chunk> chunks) {
+    public void update(final Collection<Chunk> chunks) {
         if (chunks.size() == 0) {
             return;
         }
         if (!MainUtil.canSendChunk) {
-            final World world = chunks.get(0).getWorld();
             for (final Chunk chunk : chunks) {
-                world.refreshChunk(chunk.getX(), chunk.getZ());
+                chunk.unload();
                 chunk.load(false);
             }
             return;

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/SetBlockFast_1_8.java

@@ -22,7 +22,8 @@ package com.intellectualcrafters.plot.util.bukkit;
 
 import static com.intellectualcrafters.plot.util.ReflectionUtils.getRefClass;
 
-import java.util.List;
+import java.util.Collection;
+import java.util.HashMap;
 
 import org.bukkit.Chunk;
 import org.bukkit.World;
@@ -33,6 +34,7 @@ import com.intellectualcrafters.plot.util.MainUtil;
 import com.intellectualcrafters.plot.util.ReflectionUtils.RefClass;
 import com.intellectualcrafters.plot.util.ReflectionUtils.RefConstructor;
 import com.intellectualcrafters.plot.util.ReflectionUtils.RefMethod;
+import com.intellectualcrafters.plot.util.TaskManager;
 
 /**
  * SetBlockFast class<br> Used to do fast world editing
@@ -52,6 +54,8 @@ public class SetBlockFast_1_8 extends BukkitSetBlockManager {
     private static RefMethod methodGetByCombinedId;
     private static RefConstructor constructorBlockPosition;
 
+    public static HashMap<ChunkLoc, Chunk> toUpdate = new HashMap<>();
+    
     /**
      * Constructor
      *
@@ -63,6 +67,15 @@ public class SetBlockFast_1_8 extends BukkitSetBlockManager {
         methodGetHandle = classCraftWorld.getMethod("getHandle");
         methodGetChunkAt = classWorld.getMethod("getChunkAt", int.class, int.class);
         methodA = classChunk.getMethod("a", classBlockPosition, classIBlockData);
+        TaskManager.runTaskRepeat(new Runnable() {
+            
+            @Override
+            public void run() {
+                // TODO Auto-generated method stub
+                update(toUpdate.values());
+                toUpdate = new HashMap<>();
+            }
+        }, 20);
     }
 
     private ChunkLoc lastLoc = null;
@@ -270,8 +283,12 @@ public class SetBlockFast_1_8 extends BukkitSetBlockManager {
         int Z = z >> 4;
         ChunkLoc loc = new ChunkLoc(X, Z);
         if (!loc.equals(lastLoc)) {
-            world.loadChunk(X, Z, false);
+            Chunk chunk = toUpdate.get(loc);
-            lastLoc = loc;
+            if (chunk == null) {
+                chunk = world.getChunkAt(X, Z);
+                toUpdate.put(loc, chunk);
+            }
+            chunk.load(false);
         }
         // check sign
         final Object w = methodGetHandle.of(world).call();
@@ -281,20 +298,14 @@ public class SetBlockFast_1_8 extends BukkitSetBlockManager {
         methodA.of(chunk).call(pos, combined);
     }
     
-    /**
-     * Update chunks
-     *
-     * @param chunks chunks to be updated
-     */
     @Override
-    public void update(final List<Chunk> chunks) {
+    public void update(final Collection<Chunk> chunks) {
         if (chunks.size() == 0) {
             return;
         }
         if (!MainUtil.canSendChunk) {
-            final World world = chunks.get(0).getWorld();
             for (final Chunk chunk : chunks) {
-                world.refreshChunk(chunk.getX(), chunk.getZ());
+                chunk.unload();
                 chunk.load(false);
             }
             return;

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/SetBlockSlow.java

@@ -1,6 +1,6 @@
 package com.intellectualcrafters.plot.util.bukkit;
 
-import java.util.List;
+import java.util.Collection;
 
 import org.bukkit.Chunk;
 import org.bukkit.World;
@@ -24,7 +24,7 @@ public class SetBlockSlow extends BukkitSetBlockManager {
     }
 
     @Override
-    public void update(final List<Chunk> chunks) {
+    public void update(final Collection<Chunk> chunks) {
         // TODO Auto-generated method stub
     }
 }