Java tutorial
/* * This file is part of LuckPerms, licensed under the MIT License. * * Copyright (c) lucko (Luck) <luck@lucko.me> * 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 me.lucko.luckperms.common.api.delegates.model; import lombok.AccessLevel; import lombok.Getter; import lombok.NonNull; import com.google.common.base.Preconditions; import me.lucko.luckperms.api.Group; import me.lucko.luckperms.api.caching.GroupData; import java.util.OptionalInt; public final class ApiGroup extends ApiPermissionHolder implements Group { public static me.lucko.luckperms.common.model.Group cast(Group g) { Preconditions.checkState(g instanceof ApiGroup, "Illegal instance " + g.getClass() + " cannot be handled by this implementation."); return ((ApiGroup) g).getHandle(); } @Getter(AccessLevel.PACKAGE) private final me.lucko.luckperms.common.model.Group handle; public ApiGroup(@NonNull me.lucko.luckperms.common.model.Group handle) { super(handle); this.handle = handle; } @Override public String getName() { return handle.getName(); } @Override public OptionalInt getWeight() { return handle.getWeight(); } @Override public GroupData getCachedData() { return handle.getCachedData(); } public boolean equals(Object o) { if (o == this) return true; if (!(o instanceof ApiGroup)) return false; ApiGroup other = (ApiGroup) o; return handle.equals(other.handle); } public int hashCode() { return handle.hashCode(); } }