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// Copyright (C) 2011 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.entities.Account;
import com.google.gerrit.entities.AccountGroup;
import com.google.gerrit.entities.AccountGroup.UUID;
import java.util.Collection;
import java.util.Set;
/** Tracks group inclusions in memory for efficient access. */
public interface GroupIncludeCache {
/**
* Returns the UUIDs of all groups of which the specified account is a direct member.
*
* @param memberId the ID of the account
* @return the UUIDs of all groups having the account as member
*/
Collection<AccountGroup.UUID> getGroupsWithMember(Account.Id memberId);
/**
* Returns the parent groups of a subgroup.
*
* @param groupId the UUID of the subgroup
* @return the UUIDs of all direct parent groups
*/
Collection<AccountGroup.UUID> parentGroupsOf(AccountGroup.UUID groupId);
/**
* Returns the parent groups of the provided subgroups.
*
* @param groupId the UUID of the subgroup
* @return the UUIDs of all direct parent groups
*/
Collection<AccountGroup.UUID> parentGroupsOf(Set<UUID> groupId);
/** Returns set of any UUIDs that are not internal groups. */
Collection<AccountGroup.UUID> allExternalMembers();
void evictGroupsWithMember(Account.Id memberId);
void evictParentGroupsOf(AccountGroup.UUID groupId);
}