// Copyright (C) 2009 The Android Open Source Project // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package com.google.gerrit.server.account; import com.google.gerrit.common.Nullable; import com.google.gerrit.reviewdb.client.AccountGroup; /** Tracks group objects in memory for efficient access. */ public interface GroupCache { public AccountGroup get(AccountGroup.Id groupId); public AccountGroup get(AccountGroup.NameKey name); /** * Lookup a group definition by its UUID. The returned definition may be null * if the group has been deleted and the UUID reference is stale, or was * copied from another server. */ @Nullable public AccountGroup get(AccountGroup.UUID uuid); /** @return sorted iteration of groups. */ public abstract Iterable<AccountGroup> all(); /** Notify the cache that a new group was constructed. */ public void onCreateGroup(AccountGroup.NameKey newGroupName); public void evict(AccountGroup group); public void evictAfterRename(final AccountGroup.NameKey oldName, final AccountGroup.NameKey newName); }