mirror of
https://github.com/PaperMC/Paper.git
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435 lines
18 KiB
Diff
435 lines
18 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Wed, 12 Jun 2024 10:29:30 -0700
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Subject: [PATCH] Make a PDC view accessible directly from ItemStack
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diff --git a/src/main/java/io/papermc/paper/persistence/PersistentDataContainerView.java b/src/main/java/io/papermc/paper/persistence/PersistentDataContainerView.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..4a4949fde3f03e2ea9d2dde245f7dea119e202bf
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/persistence/PersistentDataContainerView.java
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@@ -0,0 +1,167 @@
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+package io.papermc.paper.persistence;
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+
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+import java.util.Set;
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+import org.bukkit.NamespacedKey;
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+import org.bukkit.persistence.PersistentDataAdapterContext;
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+import org.bukkit.persistence.PersistentDataContainer;
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+import org.bukkit.persistence.PersistentDataHolder;
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+import org.bukkit.persistence.PersistentDataType;
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+import org.checkerframework.checker.nullness.qual.NonNull;
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+import org.checkerframework.checker.nullness.qual.Nullable;
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+import org.jetbrains.annotations.ApiStatus;
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+
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+/**
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+ * This represents a view of a persistent data container. No
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+ * methods on this interface mutate the container.
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+ * @see PersistentDataContainer
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+ */
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+@ApiStatus.NonExtendable
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+public interface PersistentDataContainerView {
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+
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+ /**
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+ * Returns if the persistent metadata provider has metadata registered
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+ * matching the provided parameters.
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+ * <p>
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+ * This method will only return true if the found value has the same primitive
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+ * data type as the provided key.
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+ * <p>
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+ * Storing a value using a custom {@link PersistentDataType} implementation
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+ * will not store the complex data type. Therefore storing a UUID (by
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+ * storing a byte[]) will match has("key" ,
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+ * {@link PersistentDataType#BYTE_ARRAY}). Likewise a stored byte[] will
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+ * always match your UUID {@link PersistentDataType} even if it is not 16
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+ * bytes long.
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+ * <p>
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+ * This method is only usable for custom object keys. Overwriting existing
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+ * tags, like the display name, will not work as the values are stored
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+ * using your namespace.
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+ *
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+ * @param key the key the value is stored under
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+ * @param type the type the primative stored value has to match
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+ * @param <P> the generic type of the stored primitive
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+ * @param <C> the generic type of the eventually created complex object
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+ *
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+ * @return if a value with the provided key and type exists
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+ *
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+ * @throws IllegalArgumentException if the key to look up is null
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+ * @throws IllegalArgumentException if the type to cast the found object to is
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+ * null
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+ */
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+ <P, C> boolean has(@NonNull NamespacedKey key, @NonNull PersistentDataType<P, C> type);
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+
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+ /**
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+ * Returns if the persistent metadata provider has metadata registered matching
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+ * the provided parameters.
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+ * <p>
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+ * This method will return true as long as a value with the given key exists,
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+ * regardless of its type.
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+ * <p>
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+ * This method is only usable for custom object keys. Overwriting existing tags,
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+ * like the display name, will not work as the values are stored using your
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+ * namespace.
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+ *
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+ * @param key the key the value is stored under
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+ *
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+ * @return if a value with the provided key exists
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+ *
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+ * @throws IllegalArgumentException if the key to look up is null
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+ */
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+ boolean has(@NonNull NamespacedKey key);
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+
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+ /**
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+ * Returns the metadata value that is stored on the
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+ * {@link PersistentDataHolder} instance.
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+ *
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+ * @param key the key to look up in the custom tag map
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+ * @param type the type the value must have and will be casted to
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+ * @param <P> the generic type of the stored primitive
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+ * @param <C> the generic type of the eventually created complex object
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+ *
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+ * @return the value or {@code null} if no value was mapped under the given
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+ * value
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+ *
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+ * @throws IllegalArgumentException if the key to look up is null
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+ * @throws IllegalArgumentException if the type to cast the found object to is
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+ * null
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+ * @throws IllegalArgumentException if a value exists under the given key,
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+ * but cannot be accessed using the given type
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+ * @throws IllegalArgumentException if no suitable adapter was found for
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+ * the {@link
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+ * PersistentDataType#getPrimitiveType()}
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+ */
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+ <P, C> @Nullable C get(@NonNull NamespacedKey key, @NonNull PersistentDataType<P, C> type);
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+
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+ /**
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+ * Returns the metadata value that is stored on the
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+ * {@link PersistentDataHolder} instance. If the value does not exist in the
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+ * container, the default value provided is returned.
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+ *
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+ * @param key the key to look up in the custom tag map
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+ * @param type the type the value must have and will be casted to
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+ * @param defaultValue the default value to return if no value was found for
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+ * the provided key
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+ * @param <P> the generic type of the stored primitive
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+ * @param <C> the generic type of the eventually created complex object
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+ *
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+ * @return the value or the default value if no value was mapped under the
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+ * given key
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+ *
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+ * @throws IllegalArgumentException if the key to look up is null
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+ * @throws IllegalArgumentException if the type to cast the found object to is
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+ * null
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+ * @throws IllegalArgumentException if a value exists under the given key,
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+ * but cannot be accessed using the given type
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+ * @throws IllegalArgumentException if no suitable adapter was found for
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+ * the {@link PersistentDataType#getPrimitiveType()}
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+ */
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+ <P, C> @NonNull C getOrDefault(@NonNull NamespacedKey key, @NonNull PersistentDataType<P, C> type, @NonNull C defaultValue);
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+
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+ /**
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+ * Get the set of keys present on this {@link PersistentDataContainer}
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+ * instance.
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+ *
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+ * Any changes made to the returned set will not be reflected on the
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+ * instance.
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+ *
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+ * @return the key set
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+ */
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+ @NonNull Set<NamespacedKey> getKeys();
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+
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+ /**
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+ * Returns if the container instance is empty, therefore has no entries
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+ * inside it.
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+ *
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+ * @return the boolean
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+ */
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+ boolean isEmpty();
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+
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+ /**
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+ * Copies all values from this {@link PersistentDataContainer} to the provided
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+ * container.
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+ * <p>
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+ * This method only copies custom object keys. Existing tags, like the display
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+ * name, will not be copied as the values are stored using your namespace.
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+ *
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+ * @param other the container to copy to
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+ * @param replace whether to replace any matching values in the target container
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+ *
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+ * @throws IllegalArgumentException if the other container is null
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+ */
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+ void copyTo(@NonNull PersistentDataContainer other, boolean replace);
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+
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+ /**
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+ * Returns the adapter context this tag container uses.
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+ *
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+ * @return the tag context
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+ */
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+ @NonNull PersistentDataAdapterContext getAdapterContext();
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+
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+ /**
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+ * Serialize this {@link PersistentDataContainer} instance to a
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+ * byte array.
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+ *
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+ * @return a binary representation of this container
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+ * @throws java.io.IOException if we fail to write this container to a byte array
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+ */
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+ byte @NonNull [] serializeToBytes() throws java.io.IOException;
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+}
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diff --git a/src/main/java/io/papermc/paper/persistence/PersistentDataViewHolder.java b/src/main/java/io/papermc/paper/persistence/PersistentDataViewHolder.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..9789916f949374bfb50da535b076180700f7ae73
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/persistence/PersistentDataViewHolder.java
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@@ -0,0 +1,23 @@
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+package io.papermc.paper.persistence;
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+
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+import org.checkerframework.checker.nullness.qual.NonNull;
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+import org.jetbrains.annotations.ApiStatus;
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+
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+/**
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+ * The {@link PersistentDataViewHolder} interface defines an object that can view
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+ * custom persistent data on it.
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+ */
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+@ApiStatus.NonExtendable
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+public interface PersistentDataViewHolder {
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+
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+ /**
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+ * Returns a custom tag container view capable of viewing tags on the object.
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+ * <p>
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+ * Note that the tags stored on this container are all stored under their
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+ * own custom namespace therefore modifying default tags using this
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+ * {@link PersistentDataViewHolder} is impossible.
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+ *
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+ * @return the persistent data container view
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+ */
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+ @NonNull PersistentDataContainerView getPersistentDataContainer();
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+}
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diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
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index 4fe68a22576933676271f841a5af0ee45b90216f..b3abe3bde05d4a360e31e490bff8a859dc2bd4a6 100644
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--- a/src/main/java/org/bukkit/inventory/ItemStack.java
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+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
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@@ -27,7 +27,7 @@ import org.jetbrains.annotations.Nullable;
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* use this class to encapsulate Materials for which {@link Material#isItem()}
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* returns false.</b>
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*/
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-public class ItemStack implements Cloneable, ConfigurationSerializable, Translatable, net.kyori.adventure.text.event.HoverEventSource<net.kyori.adventure.text.event.HoverEvent.ShowItem>, net.kyori.adventure.translation.Translatable { // Paper
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+public class ItemStack implements Cloneable, ConfigurationSerializable, Translatable, net.kyori.adventure.text.event.HoverEventSource<net.kyori.adventure.text.event.HoverEvent.ShowItem>, net.kyori.adventure.translation.Translatable, io.papermc.paper.persistence.PersistentDataViewHolder { // Paper
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private ItemStack craftDelegate; // Paper - always delegate to server-backed stack
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private MaterialData data = null;
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@@ -61,6 +61,13 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat
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}
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// Paper end
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+ // Paper start - pdc
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+ @Override
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+ public io.papermc.paper.persistence.@NotNull PersistentDataContainerView getPersistentDataContainer() {
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+ return this.craftDelegate.getPersistentDataContainer();
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+ }
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+ // Paper end - pdc
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+
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@Utility
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protected ItemStack() {}
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diff --git a/src/main/java/org/bukkit/persistence/PersistentDataContainer.java b/src/main/java/org/bukkit/persistence/PersistentDataContainer.java
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index decf3b1949d4653a9fb01684b93ff91048137076..0f40eb52f6e2a5b6932cf9f223c1bbe9ab9eab1b 100644
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--- a/src/main/java/org/bukkit/persistence/PersistentDataContainer.java
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+++ b/src/main/java/org/bukkit/persistence/PersistentDataContainer.java
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@@ -9,7 +9,7 @@ import org.jetbrains.annotations.Nullable;
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* This interface represents a map like object, capable of storing custom tags
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* in it.
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*/
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-public interface PersistentDataContainer {
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+public interface PersistentDataContainer extends io.papermc.paper.persistence.PersistentDataContainerView { // Paper - split up view and mutable
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/**
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* Stores a metadata value on the {@link PersistentDataHolder} instance.
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@@ -33,118 +33,7 @@ public interface PersistentDataContainer {
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* the {@link PersistentDataType#getPrimitiveType()}
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*/
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<P, C> void set(@NotNull NamespacedKey key, @NotNull PersistentDataType<P, C> type, @NotNull C value);
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-
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- /**
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- * Returns if the persistent metadata provider has metadata registered
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- * matching the provided parameters.
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- * <p>
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- * This method will only return true if the found value has the same primitive
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- * data type as the provided key.
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- * <p>
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- * Storing a value using a custom {@link PersistentDataType} implementation
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- * will not store the complex data type. Therefore storing a UUID (by
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- * storing a byte[]) will match has("key" ,
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- * {@link PersistentDataType#BYTE_ARRAY}). Likewise a stored byte[] will
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- * always match your UUID {@link PersistentDataType} even if it is not 16
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- * bytes long.
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- * <p>
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- * This method is only usable for custom object keys. Overwriting existing
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- * tags, like the display name, will not work as the values are stored
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- * using your namespace.
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- *
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- * @param key the key the value is stored under
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- * @param type the type the primative stored value has to match
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- * @param <P> the generic type of the stored primitive
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- * @param <C> the generic type of the eventually created complex object
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- *
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- * @return if a value with the provided key and type exists
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- *
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- * @throws IllegalArgumentException if the key to look up is null
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- * @throws IllegalArgumentException if the type to cast the found object to is
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- * null
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- */
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- <P, C> boolean has(@NotNull NamespacedKey key, @NotNull PersistentDataType<P, C> type);
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-
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- /**
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- * Returns if the persistent metadata provider has metadata registered matching
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- * the provided parameters.
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- * <p>
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- * This method will return true as long as a value with the given key exists,
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- * regardless of its type.
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- * <p>
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- * This method is only usable for custom object keys. Overwriting existing tags,
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- * like the display name, will not work as the values are stored using your
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- * namespace.
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- *
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- * @param key the key the value is stored under
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- *
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- * @return if a value with the provided key exists
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- *
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- * @throws IllegalArgumentException if the key to look up is null
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- */
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- boolean has(@NotNull NamespacedKey key);
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-
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- /**
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- * Returns the metadata value that is stored on the
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- * {@link PersistentDataHolder} instance.
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- *
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- * @param key the key to look up in the custom tag map
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- * @param type the type the value must have and will be casted to
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- * @param <P> the generic type of the stored primitive
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- * @param <C> the generic type of the eventually created complex object
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- *
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- * @return the value or {@code null} if no value was mapped under the given
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- * value
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- *
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- * @throws IllegalArgumentException if the key to look up is null
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- * @throws IllegalArgumentException if the type to cast the found object to is
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- * null
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- * @throws IllegalArgumentException if a value exists under the given key,
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- * but cannot be accessed using the given type
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- * @throws IllegalArgumentException if no suitable adapter was found for
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- * the {@link
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- * PersistentDataType#getPrimitiveType()}
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- */
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- @Nullable
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- <P, C> C get(@NotNull NamespacedKey key, @NotNull PersistentDataType<P, C> type);
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-
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- /**
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- * Returns the metadata value that is stored on the
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- * {@link PersistentDataHolder} instance. If the value does not exist in the
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- * container, the default value provided is returned.
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- *
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- * @param key the key to look up in the custom tag map
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- * @param type the type the value must have and will be casted to
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- * @param defaultValue the default value to return if no value was found for
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- * the provided key
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- * @param <P> the generic type of the stored primitive
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- * @param <C> the generic type of the eventually created complex object
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- *
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- * @return the value or the default value if no value was mapped under the
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- * given key
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- *
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- * @throws IllegalArgumentException if the key to look up is null
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- * @throws IllegalArgumentException if the type to cast the found object to is
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- * null
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- * @throws IllegalArgumentException if a value exists under the given key,
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- * but cannot be accessed using the given type
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- * @throws IllegalArgumentException if no suitable adapter was found for
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- * the {@link PersistentDataType#getPrimitiveType()}
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- */
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- @NotNull
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- <P, C> C getOrDefault(@NotNull NamespacedKey key, @NotNull PersistentDataType<P, C> type, @NotNull C defaultValue);
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-
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- /**
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- * Get the set of keys present on this {@link PersistentDataContainer}
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- * instance.
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- *
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- * Any changes made to the returned set will not be reflected on the
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- * instance.
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- *
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- * @return the key set
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- */
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- @NotNull
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- Set<NamespacedKey> getKeys();
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+ // Paper - move to PersistentDataContainerView
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/**
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* Removes a custom key from the {@link PersistentDataHolder} instance.
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@@ -154,47 +43,10 @@ public interface PersistentDataContainer {
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* @throws IllegalArgumentException if the provided key is null
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*/
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void remove(@NotNull NamespacedKey key);
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-
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- /**
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- * Returns if the container instance is empty, therefore has no entries
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- * inside it.
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- *
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- * @return the boolean
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- */
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- boolean isEmpty();
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-
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- /**
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- * Copies all values from this {@link PersistentDataContainer} to the provided
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- * container.
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- * <p>
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- * This method only copies custom object keys. Existing tags, like the display
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- * name, will not be copied as the values are stored using your namespace.
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- *
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- * @param other the container to copy to
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- * @param replace whether to replace any matching values in the target container
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- *
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- * @throws IllegalArgumentException if the other container is null
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- */
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- void copyTo(@NotNull PersistentDataContainer other, boolean replace);
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-
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- /**
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- * Returns the adapter context this tag container uses.
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- *
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- * @return the tag context
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- */
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- @NotNull
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- PersistentDataAdapterContext getAdapterContext();
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+ // Paper - move to PersistentDataContainerView
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// Paper start - byte array serialization
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- /**
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- * Serialize this {@link PersistentDataContainer} instance to a
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- * byte array.
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- *
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- * @return a binary representation of this container
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- * @throws java.io.IOException if we fail to write this container to a byte array
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- */
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- byte @NotNull [] serializeToBytes() throws java.io.IOException;
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-
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+ // Paper - move to PersistentDataContainerView
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/**
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* Read values from a serialised byte array into this
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* {@link PersistentDataContainer} instance.
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diff --git a/src/main/java/org/bukkit/persistence/PersistentDataHolder.java b/src/main/java/org/bukkit/persistence/PersistentDataHolder.java
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index 80b277cc57f092f04fbf7810ac78d250b207b775..71f33c1265bc753ef40108ffce0d4bd8656d2903 100644
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--- a/src/main/java/org/bukkit/persistence/PersistentDataHolder.java
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+++ b/src/main/java/org/bukkit/persistence/PersistentDataHolder.java
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@@ -5,8 +5,10 @@ import org.jetbrains.annotations.NotNull;
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/**
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* The {@link PersistentDataHolder} interface defines an object that can store
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* custom persistent meta data on it.
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+ * <p>Prefer using {@link io.papermc.paper.persistence.PersistentDataViewHolder} for read-only operations
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+ * as it covers more types.</p>
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*/
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-public interface PersistentDataHolder {
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+public interface PersistentDataHolder extends io.papermc.paper.persistence.PersistentDataViewHolder { // Paper
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/**
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* Returns a custom tag container capable of storing tags on the object.
|