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A cross-platform database API / ORM / entity framework with useful services for minecraft plugins

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/*
 *   Anvil - AnvilPowered
 *   Copyright (C) 2020
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 *
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with this program.  If not, see .
 */

package org.anvilpowered.anvil.base.registry;

import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.anvilpowered.anvil.api.registry.ConfigurationService;
import org.anvilpowered.anvil.api.registry.Key;
import org.anvilpowered.anvil.api.registry.RegistryScope;

import java.util.Optional;

/**
 * A registry that is backed by the configuration service
 */
@Singleton
@SuppressWarnings("unchecked")
public class BaseExtendedRegistry extends BaseRegistry {

    @Inject
    protected ConfigurationService configurationService;

    @Override
    public  Optional get(Key key) {
        Optional result = super.get(key);
        return result.isPresent() ? result : configurationService.get(key);
    }

    @Override
    public  T getDefault(Key key) {
        T result = (T) defaultMap.get(key);
        return result == null ? configurationService.getDefault(key) : result;
    }

    @Override
    public void load(RegistryScope registryScope) {
        configurationService.load(registryScope);
        super.load(registryScope);
    }

    @Override
    public String toString() {
        if (configurationService == null) {
            return super.toString();
        } else {
            return super.toString() + "\n" + configurationService;
        }
    }
}