/*
* 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;
import com.google.common.collect.ImmutableList;
import org.lanternpowered.server.data.manipulator.DataManipulatorRegistration;
import org.lanternpowered.server.data.manipulator.DataManipulatorRegistry;
import org.lanternpowered.server.data.manipulator.mutable.IDataManipulator;
import org.lanternpowered.server.data.property.AbstractPropertyHolder;
import org.lanternpowered.server.data.value.mutable.AbstractCompositeValueStore;
import org.spongepowered.api.data.DataContainer;
import org.spongepowered.api.data.DataHolder;
import org.spongepowered.api.data.DataTransactionResult;
import org.spongepowered.api.data.MemoryDataContainer;
import org.spongepowered.api.data.key.Key;
import org.spongepowered.api.data.manipulator.DataManipulator;
import org.spongepowered.api.data.merge.MergeFunction;
import org.spongepowered.api.data.value.immutable.ImmutableValue;
import org.spongepowered.api.event.cause.Cause;
import java.util.Collection;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
public interface AbstractDataHolder extends AbstractCompositeValueStore<DataHolder, DataManipulator<?,?>>, DataHolder, AbstractPropertyHolder {
@SuppressWarnings("unchecked")
@Override
default <T extends DataManipulator<?, ?>> Optional<T> get(Class<T> containerClass) {
// Check default registrations
final Optional<DataManipulatorRegistration> optRegistration = DataManipulatorRegistry.get().getByMutable((Class) containerClass);
if (optRegistration.isPresent()) {
final DataManipulatorRegistration registration = optRegistration.get();
final T manipulator = (T) optRegistration.get().getManipulatorSupplier().get();
for (Key key : (Set<Key>) registration.getRequiredKeys()) {
final Optional value = getValue(key);
if (!value.isPresent()) {
return Optional.empty();
}
manipulator.set(key, value.get());
}
return Optional.of(manipulator);
}
// Try the additional manipulators if they are supported
final Map<Class<?>, DataManipulator<?, ?>> manipulators = getRawAdditionalContainers();
if (manipulators != null) {
for (DataManipulator<?, ?> manipulator : manipulators.values()) {
if (containerClass.isInstance(manipulator)) {
return Optional.of((T) manipulator.copy());
}
}
}
return Optional.empty();
}
@SuppressWarnings("unchecked")
@Override
default <T extends DataManipulator<?, ?>> Optional<T> getOrCreate(Class<T> containerClass) {
// Offer all the default key values as long if they are supported
final Optional<DataManipulatorRegistration> optRegistration = DataManipulatorRegistry.get().getByMutable((Class) containerClass);
if (optRegistration.isPresent()) {
final DataManipulatorRegistration registration = optRegistration.get();
final T manipulator = (T) optRegistration.get().getImmutableManipulatorSupplier().get();
for (Key key : (Set<Key>) registration.getRequiredKeys()) {
final Optional value = getValue(key);
if (value.isPresent()) {
manipulator.set(key, value.get());
} else if (!supports(key)) {
return Optional.empty();
}
}
return Optional.of(manipulator);
}
// Try the additional manipulators if they are supported,
// we cannot create the additional manipulators through this method
final Map<Class<?>, DataManipulator<?, ?>> manipulators = getRawAdditionalContainers();
if (manipulators != null) {
for (DataManipulator<?, ?> manipulator : manipulators.values()) {
if (containerClass.isInstance(manipulator)) {
return Optional.of((T) manipulator.copy());
}
}
}
return Optional.empty();
}
@SuppressWarnings("unchecked")
@Override
default boolean supports(Class<? extends DataManipulator<?, ?>> holderClass) {
if (holderClass.isAssignableFrom(IDataManipulator.class)) {
// Offer all the default key values as long if they are supported
final Optional<DataManipulatorRegistration> optRegistration = DataManipulatorRegistry.get().getByMutable((Class) holderClass);
if (optRegistration.isPresent()) {
final DataManipulatorRegistration registration = optRegistration.get();
for (Key key : (Set<Key>) registration.getRequiredKeys()) {
if (!supports(key)) {
return false;
}
}
return true;
}
}
// Support all the additional manipulators
return getRawAdditionalContainers() != null;
}
@Override
default DataTransactionResult offer(DataManipulator<?, ?> valueContainer, MergeFunction function, Cause cause) {
if (valueContainer instanceof IDataManipulator) {
// Offer all the default key values as long if they are supported
final Optional optRegistration = DataManipulatorRegistry.get().getByMutable(((IDataManipulator) valueContainer).getMutableType());
if (optRegistration.isPresent()) {
final DataTransactionResult.Builder builder = DataTransactionResult.builder();
boolean success = false;
for (ImmutableValue value : valueContainer.getValues()) {
final DataTransactionResult result = offer(value);
if (result.isSuccessful()) {
builder.success(value);
builder.replace(result.getReplacedData());
success = true;
} else {
builder.reject(value);
}
}
if (success) {
builder.result(DataTransactionResult.Type.SUCCESS);
} else {
builder.result(DataTransactionResult.Type.FAILURE);
}
return builder.build();
}
}
final Map<Class<?>, DataManipulator<?, ?>> manipulators = getRawAdditionalContainers();
if (manipulators != null) {
final Class<?> key = valueContainer.getClass();
final DataManipulator<?, ?> old = manipulators.put(key, valueContainer);
final DataTransactionResult.Builder builder = DataTransactionResult.builder().result(DataTransactionResult.Type.SUCCESS);
builder.success(valueContainer.getValues());
if (old != null) {
builder.replace(old.getValues());
}
return builder.build();
}
return DataTransactionResult.failNoData();
}
@Override
default DataTransactionResult remove(Class<? extends DataManipulator<?, ?>> containerClass) {
if (containerClass.isAssignableFrom(IDataManipulator.class)) {
// You cannot remove default data manipulators?
final Optional optRegistration = DataManipulatorRegistry.get().getByMutable((Class) containerClass);
if (optRegistration.isPresent()) {
return DataTransactionResult.failNoData();
}
}
final Map<Class<?>, DataManipulator<?, ?>> manipulators = getRawAdditionalContainers();
if (manipulators != null) {
final DataManipulator<?, ?> old = manipulators.remove(containerClass);
if (old != null) {
return DataTransactionResult.successRemove(old.getValues());
}
}
return DataTransactionResult.failNoData();
}
@Override
default DataTransactionResult copyFrom(DataHolder that, MergeFunction function) {
return null;
}
@SuppressWarnings("unchecked")
@Override
default Collection<DataManipulator<?, ?>> getContainers() {
final ImmutableList.Builder<DataManipulator<?, ?>> builder = ImmutableList.builder();
for (DataManipulatorRegistration registration : DataManipulatorRegistry.get().getAll()) {
DataManipulator manipulator = (DataManipulator<?, ?>) registration.getImmutableManipulatorSupplier().get();
for (Key key : (Set<Key>) registration.getRequiredKeys()) {
final Optional value = getValue(key);
if (value.isPresent()) {
manipulator.set(key, value.get());
} else if (!supports(key)) {
manipulator = null;
break;
}
}
if (manipulator != null) {
builder.add(manipulator);
}
}
// Try the additional manipulators if they are supported
final Map<Class<?>, DataManipulator<?, ?>> manipulators = getRawAdditionalContainers();
if (manipulators != null) {
manipulators.values().forEach(manipulator -> builder.add(manipulator.copy()));
}
return builder.build();
}
@Override
default DataContainer toContainer() {
return new MemoryDataContainer();
}
}