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Don't send requests of every player was found in the global api cache SpigotMC/Spigot@841270ff1e Correctly set the response code for the cached lookups and return the ... SpigotMC/Spigot@f170b7899c Don't try and re-set the global api cache on reload SpigotMC/Spigot@b410a00a66 Use a compile time sneaky throw hack. SpigotMC/Spigot@508462b96b Fix a missed rename in WorldGenGroundBush SpigotMC/Spigot@0614d8fae9
226 lines
6.9 KiB
Diff
226 lines
6.9 KiB
Diff
From 0c3794fe2fabe95056ec884d1b83e4ac4560b699 Mon Sep 17 00:00:00 2001
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From: md_5 <md_5@live.com.au>
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Date: Fri, 21 Jun 2013 17:13:47 +1000
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Subject: [PATCH] LongHash Tweaks
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Tweaks the LongHash algorithm and provides a large array based map to look up values centered around the origin, ie the access normally seen on a Minecraft server.
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/LongHash.java b/src/main/java/org/bukkit/craftbukkit/util/LongHash.java
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index 691cafd..9d54472 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/LongHash.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/LongHash.java
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@@ -10,6 +10,6 @@ public class LongHash {
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}
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public static int lsw(long l) {
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- return (int) (l & 0xFFFFFFFF) + Integer.MIN_VALUE;
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+ return (int) (l) + Integer.MIN_VALUE; // Spigot - remove redundant &
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}
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/LongHashSet.java b/src/main/java/org/bukkit/craftbukkit/util/LongHashSet.java
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index 22c96c5..7f659b7 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/LongHashSet.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/LongHashSet.java
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@@ -31,6 +31,7 @@ public class LongHashSet {
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private int elements;
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private long[] values;
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private int modCount;
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+ private org.spigotmc.FlatMap<Boolean> flat = new org.spigotmc.FlatMap<Boolean>(); // Spigot
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public LongHashSet() {
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this(INITIAL_SIZE);
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@@ -56,10 +57,30 @@ public class LongHashSet {
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}
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public boolean contains(int msw, int lsw) {
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+ // Spigot start
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+ if ( elements == 0 )
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+ {
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+ return false;
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+ }
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+ if ( flat.contains( msw, lsw ) )
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+ {
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+ return true;
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+ }
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+ // Spigot end
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return contains(LongHash.toLong(msw, lsw));
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}
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public boolean contains(long value) {
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+ // Spigot start
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+ if ( elements == 0 )
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+ {
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+ return false;
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+ }
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+ if ( flat.contains( value ) )
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+ {
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+ return true;
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+ }
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+ // Spigot end
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int hash = hash(value);
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int index = (hash & 0x7FFFFFFF) % values.length;
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int offset = 1;
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@@ -82,6 +103,7 @@ public class LongHashSet {
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}
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public boolean add(long value) {
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+ flat.put( value, Boolean.TRUE ); // Spigot
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int hash = hash(value);
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int index = (hash & 0x7FFFFFFF) % values.length;
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int offset = 1;
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@@ -125,10 +147,18 @@ public class LongHashSet {
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}
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public void remove(int msw, int lsw) {
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- remove(LongHash.toLong(msw, lsw));
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+ // Spigot start
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+ flat.remove(msw, lsw);
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+ remove0(LongHash.toLong(msw, lsw));
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}
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public boolean remove(long value) {
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+ flat.remove(value);
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+ return remove0(value);
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+ }
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+
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+ private boolean remove0(long value) {
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+ // Spigot end
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int hash = hash(value);
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int index = (hash & 0x7FFFFFFF) % values.length;
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int offset = 1;
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@@ -161,6 +191,7 @@ public class LongHashSet {
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freeEntries = values.length;
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modCount++;
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+ flat = new org.spigotmc.FlatMap<Boolean>();
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}
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public long[] toArray() {
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/LongObjectHashMap.java b/src/main/java/org/bukkit/craftbukkit/util/LongObjectHashMap.java
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index 01861cc..2e5b436 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/LongObjectHashMap.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/LongObjectHashMap.java
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@@ -28,6 +28,7 @@ public class LongObjectHashMap<V> implements Cloneable, Serializable {
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private transient V[][] values;
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private transient int modCount;
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private transient int size;
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+ private transient org.spigotmc.FlatMap<V> flat = new org.spigotmc.FlatMap<V>(); // Spigot
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public LongObjectHashMap() {
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initialize();
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@@ -61,6 +62,17 @@ public class LongObjectHashMap<V> implements Cloneable, Serializable {
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}
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public V get(long key) {
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+ // Spigot start
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+ if ( size == 0 )
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+ {
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+ return null;
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+ }
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+ V val = flat.get( key );
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+ if ( val != null )
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+ {
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+ return val;
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+ }
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+ // Spigot end
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int index = (int) (keyIndex(key) & (BUCKET_SIZE - 1));
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long[] inner = keys[index];
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if (inner == null) return null;
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@@ -78,6 +90,7 @@ public class LongObjectHashMap<V> implements Cloneable, Serializable {
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}
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public V put(long key, V value) {
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+ flat.put(key, value); // Spigot
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int index = (int) (keyIndex(key) & (BUCKET_SIZE - 1));
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long[] innerKeys = keys[index];
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V[] innerValues = values[index];
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@@ -124,6 +137,7 @@ public class LongObjectHashMap<V> implements Cloneable, Serializable {
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}
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public V remove(long key) {
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+ flat.remove(key); // Spigot
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int index = (int) (keyIndex(key) & (BUCKET_SIZE - 1));
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long[] inner = keys[index];
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if (inner == null) {
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@@ -174,6 +188,7 @@ public class LongObjectHashMap<V> implements Cloneable, Serializable {
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size = 0;
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Arrays.fill(keys, null);
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Arrays.fill(values, null);
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+ flat = new org.spigotmc.FlatMap<V>();
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}
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public Set<Long> keySet() {
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diff --git a/src/main/java/org/spigotmc/FlatMap.java b/src/main/java/org/spigotmc/FlatMap.java
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new file mode 100644
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index 0000000..9416f6e
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--- /dev/null
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+++ b/src/main/java/org/spigotmc/FlatMap.java
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@@ -0,0 +1,64 @@
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+package org.spigotmc;
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+
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+import org.bukkit.craftbukkit.util.LongHash;
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+
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+public class FlatMap<V>
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+{
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+
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+ private static final int FLAT_LOOKUP_SIZE = 512;
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+ private final Object[][] flatLookup = new Object[ FLAT_LOOKUP_SIZE * 2 ][ FLAT_LOOKUP_SIZE * 2 ];
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+
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+ public void put(long msw, long lsw, V value)
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+ {
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+ long acx = Math.abs( msw );
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+ long acz = Math.abs( lsw );
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+ if ( acx < FLAT_LOOKUP_SIZE && acz < FLAT_LOOKUP_SIZE )
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+ {
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+ flatLookup[(int) ( msw + FLAT_LOOKUP_SIZE )][(int) ( lsw + FLAT_LOOKUP_SIZE )] = value;
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+ }
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+ }
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+
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+ public void put(long key, V value)
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+ {
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+ put( LongHash.msw( key ), LongHash.lsw( key ), value );
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+
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+ }
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+
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+ public void remove(long key)
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+ {
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+ put( key, null );
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+ }
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+
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+ public void remove(long msw, long lsw)
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+ {
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+ put( msw, lsw, null );
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+ }
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+
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+ public boolean contains(long msw, long lsw)
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+ {
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+ return get( msw, lsw ) != null;
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+ }
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+
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+ public boolean contains(long key)
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+ {
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+ return get( key ) != null;
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+ }
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+
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+ public V get(long msw, long lsw)
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+ {
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+ long acx = Math.abs( msw );
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+ long acz = Math.abs( lsw );
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+ if ( acx < FLAT_LOOKUP_SIZE && acz < FLAT_LOOKUP_SIZE )
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+ {
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+ return (V) flatLookup[(int) ( msw + FLAT_LOOKUP_SIZE )][(int) ( lsw + FLAT_LOOKUP_SIZE )];
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+ } else
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+ {
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+ return null;
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+ }
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+ }
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+
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+ public V get(long key)
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+ {
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+ return get( LongHash.msw( key ), LongHash.lsw( key ) );
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+ }
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+}
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--
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1.9.1
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