/*
* This file is part of LanternServer, licensed under the MIT License (MIT).
*
* Copyright (c) LanternPowered <https://www.lanternpowered.org>
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* 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.lanternpowered.server.data.value.immutable;
import static com.google.common.base.Preconditions.checkNotNull;
import org.lanternpowered.server.data.ImmutableDataCachingUtil;
import org.lanternpowered.server.data.value.AbstractBaseValue;
import org.lanternpowered.server.data.value.mutable.LanternValue;
import org.spongepowered.api.data.key.Key;
import org.spongepowered.api.data.value.BaseValue;
import org.spongepowered.api.data.value.immutable.ImmutableValue;
import org.spongepowered.api.data.value.mutable.Value;
import java.util.function.Function;
public class ImmutableLanternValue<E> extends AbstractBaseValue<E> implements ImmutableValue<E> {
/**
* Gets a cached {@link ImmutableValue} of the default value and the actual value.
*
* @param key The key for the value
* @param defaultValue The default value
* @param actualValue The actual value
* @param <T> The type of value
* @return The cached immutable value
*/
public static <T> ImmutableValue<T> cachedOf(Key<? extends BaseValue<T>> key, T defaultValue, T actualValue) {
return ImmutableDataCachingUtil.getValue(ImmutableLanternValue.class, key, defaultValue, actualValue);
}
public ImmutableLanternValue(Key<? extends BaseValue<E>> key, E defaultValue) {
super(key, defaultValue, defaultValue);
}
public ImmutableLanternValue(Key<? extends BaseValue<E>> key, E defaultValue, E actualValue) {
super(key, defaultValue, actualValue);
}
@Override
public ImmutableValue<E> with(E value) {
return new ImmutableLanternValue<>(this.getKey(), this.getDefault(), value);
}
@Override
public ImmutableValue<E> transform(Function<E, E> function) {
final E value = checkNotNull(function).apply(this.get());
return new ImmutableLanternValue<>(this.getKey(), this.getDefault(), value);
}
@Override
public Value<E> asMutable() {
return new LanternValue<>(this.getKey(), this.getDefault(), this.get());
}
}