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A plugin API for Minecraft: Java Edition
/*
* This file is part of SpongeAPI, licensed under the MIT License (MIT).
*
* Copyright (c) SpongePowered
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.spongepowered.api.data.persistence;
import io.leangen.geantyref.TypeToken;
import org.spongepowered.api.ResourceKey;
import org.spongepowered.api.Sponge;
import org.spongepowered.api.data.DataHolder;
import org.spongepowered.api.data.DataManipulator;
import org.spongepowered.api.data.Key;
import org.spongepowered.api.data.value.Value;
import org.spongepowered.api.util.ResettableBuilder;
import java.lang.reflect.Type;
import java.util.Collection;
import java.util.Map;
import java.util.Optional;
import java.util.function.BiConsumer;
import java.util.function.Function;
public interface DataStore {
/**
* Gets the supported {@link DataHolder} types.
*
* Every returned {@link java.lang.reflect.Type} will be a subtype
* of {@link DataHolder}.
*
* @return The supported dataHolder type.
*/
Collection supportedTypes();
/**
* Serializes the values of the {@link DataManipulator}
* into the {@link DataView}.
*
* @param dataManipulator The data manipulator
* @param view The data view to serialize to
* @return The view, for chaining
*/
DataView serialize(DataManipulator dataManipulator, DataView view);
/**
* Serializes the passed in {@link Value values} to the {@link DataView view}.
*
* @param values The values to serialize
* @param view The view
* @return The view, for chaining
*/
default DataView serialize(Iterable> values, DataView view) {
return this.serialize(DataManipulator.immutableOf(values), view);
}
/**
* Serializes the {@link Value}s.
*
* @param values The value container
* @return This view, for chaining
*/
default DataView serialize(Iterable> values) {
return this.serialize(DataManipulator.immutableOf(values));
}
/**
* Serializes the values of the {@link DataManipulator}.
*
* @param dataManipulator The data manipulator
* @return This view, for chaining
*/
default DataView serialize(DataManipulator dataManipulator) {
final DataView dataView = DataContainer.createNew();
this.serialize(dataManipulator, dataView);
return dataView;
}
/**
* Deserializes the data from the {@link DataView} and puts
* it in the {@link org.spongepowered.api.data.DataManipulator.Mutable}.
*
* @param dataManipulator The mutable data manipulator
* @param view The data view to deserialize
*/
void deserialize(DataManipulator.Mutable dataManipulator, DataView view);
/**
* Deserializes the {@link DataView} as a {@link org.spongepowered.api.data.DataManipulator.Mutable}.
*
* @param view The data view to deserialize
* @return The value store
*/
default DataManipulator.Mutable deserialize(DataView view) {
final DataManipulator.Mutable dataManipulator = DataManipulator.mutableOf();
this.deserialize(dataManipulator, view);
return dataManipulator;
}
/**
* Provides a {@link DataStore} for a single {@link Key}.
*
* Note that default deserializers do not support {@link Collection}, {@link Map} or Array types!
* Use {@link Builder.SerializersStep#key(Key, BiConsumer, Function)} for these.
*
*
* @param key The data key
* @param dataQuery The dataQuery to serialize this key under
* @param typeTokens The dataHolder types
*
* @return The new data store
*/
@SafeVarargs
@SuppressWarnings("unchecked")
static > DataStore of(final Key key, final DataQuery dataQuery, final TypeToken typeToken, final TypeToken... typeTokens) {
return DataStore.builder().pluginData(key.key()).holder(typeToken).holder(typeTokens).key(key, dataQuery).build();
}
/**
* Provides a {@link DataStore} for a single {@link Key}.
*
* Note that default deserializers do not support {@link Collection}, {@link Map} or Array types!
* Use {@link Builder.SerializersStep#key(Key, BiConsumer, Function)} for these.
*
*
* @param key The data key
* @param dataQuery The dataQuery to serialize this key under
* @param types The dataHolder types
*
* @return The new data store
*/
@SafeVarargs
@SuppressWarnings("unchecked")
static > DataStore of(final Key key, final DataQuery dataQuery, final Class type, final Class... types) {
return DataStore.builder().pluginData(key.key()).holder(type).holder(types).key(key, dataQuery).build();
}
/**
* Returns the {@link DataStore} builder.
*
* @return The dataStore builder.
*/
static DataStore.Builder builder() {
return Sponge.game().builderProvider().provide(Builder.class);
}
interface Builder extends ResettableBuilder {
/**
* Starts building a DataStore for plugin data.
* Serializers and Deserializers will operate on their own {@link DataView}.
*
* @param key the key under which all data from this DataStore is registered
*
* @return this builder for chaining
*/
HolderStep pluginData(ResourceKey key);
/**
* Starts building a DataStore for plugin data.
* Serializers and Deserializers will operate on their own {@link DataView}.
*
* @param key the key under which all data from this DataStore is registered
* @param version the content-version of your data.
*
* @return this builder for chaining
*/
UpdaterStep pluginData(ResourceKey key, int version);
/**
* Starts building a DataStore for raw data.
* Serializers and deserializers will operate on the root {@link DataView}
* which includes all data from vanilla minecraft and more
* Consider using {@link #pluginData} instead.
*
* @return this builder for chaining
*/
HolderStep vanillaData();
interface UpdaterStep extends ResettableBuilder {
/**
* Adds one or more content updaters
*
* @param updater the content updaters
*
* @return this builder for chaining
*/
HolderStep updater(DataContentUpdater... updater);
}
interface HolderStep extends ResettableBuilder {
/**
* Adds one or more allowed dataHolder types
*
* @param typeTokens the dataHolder types
*
* @return this builder for chaining
*/
@SuppressWarnings("unchecked")
SerializersStep holder(TypeToken... typeTokens);
/**
* Adds one or more allowed dataHolder types
*
* These must not be parameterized types.
*
* @param types the dataHolder types
*
* @return this builder for chaining
*/
@SuppressWarnings("unchecked")
SerializersStep holder(Class... types);
}
interface SerializersStep extends HolderStep, ResettableBuilder {
/**
* Adds one or more keys using the default implemented serializers for the given key.
* The {@link Key#key()} resource-key} value will be used as DataQuery
*
* @param key The data key
* @param moreKeys more data keys
*
* @return this builder for chaining
*/
@SuppressWarnings("unchecked")
Builder.EndStep keys(final Key key, final Key... moreKeys);
/**
* Adds the default implemented serializers for the given key.
*
* @param key The data key
* @param dataQueries The dataQuery to serialize this key under
*
* @return this builder for chaining
*/
default > Builder.EndStep key(final Key key, final String... dataQueries) {
if (dataQueries.length == 0) {
throw new IllegalArgumentException("dataQueries cannot be empty");
}
return this.key(key, DataQuery.of(dataQueries));
}
/**
* Adds the default implemented serializers for the given key.
*
* @param key The data key
* @param dataQuery The dataQuery to serialize this key under
*
* @return this builder for chaining
*/
> Builder.EndStep key(final Key key, final DataQuery dataQuery);
/**
* Adds the serializers for the given key.
*
* @param key The data key
* @param serializer the data serializer
* @param deserializer the data serserializer
*
* @return this builder for chaining
*/
> Builder.EndStep key(Key key, BiConsumer serializer, Function> deserializer);
}
interface EndStep extends SerializersStep, ResettableBuilder {
/**
* Builds a dataStore for given dataHolder type.
*
* @return The new data store
*/
DataStore build();
}
}
}