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Add Registry#getKey (#10066)

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Some types that have registries support existing without
being in a registry and therefore have no key. This is part
one of supporting that, adding a Registry#getKey(Object) method
to be able to get the key for an object so we can remove Keyed
from such objects.

This also deprecates Keyed#getKey on TrimMaterial and TrimPattern
as these are the 2 offending types currently in the api.
Dieser Commit ist enthalten in:
Jake Potrebic 2023-12-23 13:16:27 -08:00 committet von GitHub
Ursprung e7e1c8a832
Commit 49f9f6f2cd
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114
patches/api/0451-Improve-Registry.patch Normale Datei
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@ -0,0 +1,114 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Wed, 20 Dec 2023 02:03:10 -0800
Subject: [PATCH] Improve Registry
Adds Registry#getKey(Object) which should be the
primary way people get the key for an object. Registry
items need to exist without having a key and so
getKey() methods on Keyed objects that have a registry
are marked as Deprecated or Obsolete.
diff --git a/src/main/java/org/bukkit/Registry.java b/src/main/java/org/bukkit/Registry.java
index 800d23bb249e19d5cf924e7ba36684068624da02..57e97b424cebd205cb260556ab9fb9eb2ff1eebc 100644
--- a/src/main/java/org/bukkit/Registry.java
+++ b/src/main/java/org/bukkit/Registry.java
@@ -307,6 +307,49 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
@Nullable
T get(@NotNull NamespacedKey key);
+ // Paper start - improve Registry
+ /**
+ * Gets the key for this object or throws if it doesn't exist.
+ * <p>
+ * Some types can exist without being in a registry
+ * and such will have no key associated with them. This
+ * method throw an exception if it isn't in this registry.
+ *
+ * @param value the value to get the key of in this registry
+ * @return the key for the value
+ * @throws java.util.NoSuchElementException if the value doesn't exist in this registry
+ * @see #getKey(Keyed)
+ */
+ default @NotNull NamespacedKey getKeyOrThrow(final @NotNull T value) {
+ Preconditions.checkArgument(value != null, "value cannot be null");
+ final NamespacedKey key = this.getKey(value);
+ if (key == null) {
+ throw new java.util.NoSuchElementException(value + " has no key in " + this);
+ }
+ return key;
+ }
+
+ /**
+ * Get the key for this object.
+ * <p>
+ * Some types can exist without being in a registry
+ * and such will have no key associated with them. This
+ * method will return null.
+ *
+ * @param value the value to get the key of in this registry
+ * @return the key for the value or null if not in the registry
+ * @see #getKeyOrThrow(Keyed)
+ */
+ default @Nullable NamespacedKey getKey(final @NotNull T value) {
+ Preconditions.checkArgument(value != null, "value cannot be null");
+ //noinspection ConstantValue (it might not be in the future...)
+ if (value instanceof Keyed) {
+ return value.getKey();
+ }
+ return null;
+ }
+ // Paper end - improve Registry
+
/**
* Returns a new stream, which contains all registry items, which are registered to the registry.
*
@@ -373,5 +416,12 @@ public interface Registry<T extends Keyed> extends Iterable<T> {
public Iterator<T> iterator() {
return map.values().iterator();
}
+
+ // Paper start - improve Registry
+ @Override
+ public @NotNull NamespacedKey getKey(final @NotNull T value) {
+ return value.getKey();
+ }
+ // Paper end - improve Registry
}
}
diff --git a/src/main/java/org/bukkit/inventory/meta/trim/TrimMaterial.java b/src/main/java/org/bukkit/inventory/meta/trim/TrimMaterial.java
index 4327cbc15b9b88d3a568edbebc69c94638ea0465..178d83cb3ccff2d12477d3c13ca4f108fa17e619 100644
--- a/src/main/java/org/bukkit/inventory/meta/trim/TrimMaterial.java
+++ b/src/main/java/org/bukkit/inventory/meta/trim/TrimMaterial.java
@@ -50,4 +50,13 @@ public interface TrimMaterial extends Keyed {
* {@link Material#AMETHYST_SHARD}.
*/
public static final TrimMaterial AMETHYST = Registry.TRIM_MATERIAL.get(NamespacedKey.minecraft("amethyst"));
+ // Paper start
+ /**
+ * @deprecated use {@link Registry#getKey(Keyed)} and {@link Registry#TRIM_MATERIAL}. TrimMaterials
+ * can exist without a key.
+ */
+ @Deprecated(forRemoval = true, since = "1.20.4")
+ @Override
+ org.bukkit.@org.jetbrains.annotations.NotNull NamespacedKey getKey();
+ // Paper end
}
diff --git a/src/main/java/org/bukkit/inventory/meta/trim/TrimPattern.java b/src/main/java/org/bukkit/inventory/meta/trim/TrimPattern.java
index 2365220dc0eb1e130b65e81727ff8768dea3f881..e29fc42ae2b9c555db63d10d20552748e28ba60e 100644
--- a/src/main/java/org/bukkit/inventory/meta/trim/TrimPattern.java
+++ b/src/main/java/org/bukkit/inventory/meta/trim/TrimPattern.java
@@ -74,4 +74,13 @@ public interface TrimPattern extends Keyed {
* {@link Material#HOST_ARMOR_TRIM_SMITHING_TEMPLATE}.
*/
public static final TrimPattern HOST = Registry.TRIM_PATTERN.get(NamespacedKey.minecraft("host"));
+ // Paper start
+ /**
+ * @deprecated use {@link Registry#getKey(Keyed)} and {@link Registry#TRIM_PATTERN}. TrimPatterns
+ * can exist without a key.
+ */
+ @Deprecated(forRemoval = true, since = "1.20.4")
+ @Override
+ org.bukkit.@org.jetbrains.annotations.NotNull NamespacedKey getKey();
+ // Paper end
}

102
patches/server/1054-Improve-Registry.patch Normale Datei
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@ -0,0 +1,102 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Wed, 20 Dec 2023 02:03:05 -0800
Subject: [PATCH] Improve Registry
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
index 253b4cf66e94faf0bc8861318ae7549f52cd29d1..9131fc3a56819ae3e2d754fbe5d8815c71ab9ab3 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
@@ -84,6 +84,7 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
private final Class<? super B> bukkitClass;
private final Map<NamespacedKey, B> cache = new HashMap<>();
+ private final Map<B, NamespacedKey> byValue = new java.util.IdentityHashMap<>(); // Paper - improve Registry
private final net.minecraft.core.Registry<M> minecraftRegistry;
private final BiFunction<NamespacedKey, M, B> minecraftToBukkit;
private boolean init;
@@ -128,6 +129,7 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
}
this.cache.put(namespacedKey, bukkit);
+ this.byValue.put(bukkit, namespacedKey); // Paper - improve Registry
return bukkit;
}
@@ -150,4 +152,11 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
return this.minecraftToBukkit.apply(namespacedKey, minecraft);
}
+
+ // Paper start - improve Registry
+ @Override
+ public NamespacedKey getKey(final B value) {
+ return this.byValue.get(value);
+ }
+ // Paper end - improve Registry
}
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java
index ff365d4f3745adcfe87a4aa0f8a940decccc0f16..c4a63bdd3eda590945ba0c8e7e6e8b9ba4a60ce3 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java
@@ -17,6 +17,7 @@ public class CraftTrimMaterial implements TrimMaterial {
@Override
@NotNull
public NamespacedKey getKey() {
+ if (true) return java.util.Objects.requireNonNull(org.bukkit.Registry.TRIM_MATERIAL.getKey(this), () -> this + " doesn't have a key"); // Paper
return this.key;
}
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java
index 89449c09a4fbf475805f76cd31a0f9e5c1109210..c062c349bf5129cf9b5f637f09dac13b8f8c1796 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java
@@ -17,6 +17,7 @@ public class CraftTrimPattern implements TrimPattern {
@Override
@NotNull
public NamespacedKey getKey() {
+ if (true) return java.util.Objects.requireNonNull(org.bukkit.Registry.TRIM_PATTERN.getKey(this), () -> this + " doesn't have a key"); // Paper
return this.key;
}
diff --git a/src/test/java/org/bukkit/PerRegistryTest.java b/src/test/java/org/bukkit/PerRegistryTest.java
index 9e553a8858750c494456f04abd7bffd1d257308c..6e3062da8840fc7118b59ddb0d6871c9a3178584 100644
--- a/src/test/java/org/bukkit/PerRegistryTest.java
+++ b/src/test/java/org/bukkit/PerRegistryTest.java
@@ -46,19 +46,22 @@ public class PerRegistryTest extends AbstractTestingBase {
@ParameterizedTest
@MethodSource("data")
- public void testGet(Registry<?> registry) {
+ public <T extends Keyed> void testGet(Registry<T> registry) { // Paper - improve Registry
registry.forEach(element -> {
+ NamespacedKey key = registry.getKey(element); // Paper - improve Registry
+ assertNotNull(key); // Paper - improve Registry
// Values in the registry should be referentially equal to what is returned with #get()
// This ensures that new instances are not created each time #get() is invoked
- assertSame(element, registry.get(element.getKey()));
+ assertSame(element, registry.get(key)); // Paper - improve Registry
});
}
@ParameterizedTest
@MethodSource("data")
- public void testMatch(Registry<?> registry) {
+ public <T extends Keyed> void testMatch(Registry<T> registry) { // Paper - improve Registry
registry.forEach(element -> {
- NamespacedKey key = element.getKey();
+ NamespacedKey key = registry.getKey(element); // Paper - improve Registry
+ assertNotNull(key); // Paper - improve Registry
this.assertSameMatchWithKeyMessage(registry, element, key.toString()); // namespace:key
this.assertSameMatchWithKeyMessage(registry, element, key.getKey()); // key
@@ -69,7 +72,7 @@ public class PerRegistryTest extends AbstractTestingBase {
});
}
- private void assertSameMatchWithKeyMessage(Registry<?> registry, Keyed element, String key) {
+ private <T extends Keyed> void assertSameMatchWithKeyMessage(Registry<T> registry, T element, String key) { // Paper - improve Registry
assertSame(element, registry.match(key), key);
}