| // 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.common.cache.CacheLoader; |
| import com.google.common.cache.LoadingCache; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Sets; |
| import com.google.gerrit.reviewdb.client.AccountGroup; |
| import com.google.gerrit.reviewdb.client.AccountGroupIncludeByUuid; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.cache.CacheModule; |
| import com.google.gwtorm.server.SchemaFactory; |
| import com.google.inject.Inject; |
| import com.google.inject.Module; |
| import com.google.inject.Singleton; |
| import com.google.inject.TypeLiteral; |
| import com.google.inject.name.Named; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.ExecutionException; |
| |
| /** Tracks group inclusions in memory for efficient access. */ |
| @Singleton |
| public class GroupIncludeCacheImpl implements GroupIncludeCache { |
| private static final Logger log = LoggerFactory |
| .getLogger(GroupIncludeCacheImpl.class); |
| private static final String BYINCLUDE_NAME = "groups_byinclude"; |
| private static final String MEMBERS_NAME = "groups_members"; |
| private static final String EXTERNAL_NAME = "groups_external"; |
| |
| public static Module module() { |
| return new CacheModule() { |
| @Override |
| protected void configure() { |
| cache(BYINCLUDE_NAME, |
| AccountGroup.UUID.class, |
| new TypeLiteral<Set<AccountGroup.UUID>>() {}) |
| .loader(MemberInLoader.class); |
| |
| cache(MEMBERS_NAME, |
| AccountGroup.UUID.class, |
| new TypeLiteral<Set<AccountGroup.UUID>>() {}) |
| .loader(MembersOfLoader.class); |
| |
| cache(EXTERNAL_NAME, |
| String.class, |
| new TypeLiteral<Set<AccountGroup.UUID>>() {}) |
| .loader(AllExternalLoader.class); |
| |
| bind(GroupIncludeCacheImpl.class); |
| bind(GroupIncludeCache.class).to(GroupIncludeCacheImpl.class); |
| } |
| }; |
| } |
| |
| private final LoadingCache<AccountGroup.UUID, Set<AccountGroup.UUID>> membersOf; |
| private final LoadingCache<AccountGroup.UUID, Set<AccountGroup.UUID>> memberIn; |
| private final LoadingCache<String, Set<AccountGroup.UUID>> external; |
| |
| @Inject |
| GroupIncludeCacheImpl( |
| @Named(MEMBERS_NAME) LoadingCache<AccountGroup.UUID, Set<AccountGroup.UUID>> membersOf, |
| @Named(BYINCLUDE_NAME) LoadingCache<AccountGroup.UUID, Set<AccountGroup.UUID>> memberIn, |
| @Named(EXTERNAL_NAME) LoadingCache<String, Set<AccountGroup.UUID>> external) { |
| this.membersOf = membersOf; |
| this.memberIn = memberIn; |
| this.external = external; |
| } |
| |
| @Override |
| public Set<AccountGroup.UUID> membersOf(AccountGroup.UUID groupId) { |
| try { |
| return membersOf.get(groupId); |
| } catch (ExecutionException e) { |
| log.warn("Cannot load members of group", e); |
| return Collections.emptySet(); |
| } |
| } |
| |
| @Override |
| public Set<AccountGroup.UUID> memberIn(AccountGroup.UUID groupId) { |
| try { |
| return memberIn.get(groupId); |
| } catch (ExecutionException e) { |
| log.warn("Cannot load included groups", e); |
| return Collections.emptySet(); |
| } |
| } |
| |
| @Override |
| public void evictMembersOf(AccountGroup.UUID groupId) { |
| if (groupId != null) { |
| membersOf.invalidate(groupId); |
| } |
| } |
| |
| @Override |
| public void evictMemberIn(AccountGroup.UUID groupId) { |
| if (groupId != null) { |
| memberIn.invalidate(groupId); |
| |
| if (!AccountGroup.isInternalGroup(groupId)) { |
| external.invalidate(EXTERNAL_NAME); |
| } |
| } |
| } |
| |
| @Override |
| public Set<AccountGroup.UUID> allExternalMembers() { |
| try { |
| return external.get(EXTERNAL_NAME); |
| } catch (ExecutionException e) { |
| log.warn("Cannot load set of non-internal groups", e); |
| return Collections.emptySet(); |
| } |
| } |
| |
| static class MembersOfLoader extends |
| CacheLoader<AccountGroup.UUID, Set<AccountGroup.UUID>> { |
| private final SchemaFactory<ReviewDb> schema; |
| |
| @Inject |
| MembersOfLoader(final SchemaFactory<ReviewDb> sf) { |
| schema = sf; |
| } |
| |
| @Override |
| public Set<AccountGroup.UUID> load(AccountGroup.UUID key) throws Exception { |
| final ReviewDb db = schema.open(); |
| try { |
| List<AccountGroup> group = db.accountGroups().byUUID(key).toList(); |
| if (group.size() != 1) { |
| return Collections.emptySet(); |
| } |
| |
| Set<AccountGroup.UUID> ids = Sets.newHashSet(); |
| for (AccountGroupIncludeByUuid agi : db.accountGroupIncludesByUuid() |
| .byGroup(group.get(0).getId())) { |
| ids.add(agi.getIncludeUUID()); |
| } |
| return ImmutableSet.copyOf(ids); |
| } finally { |
| db.close(); |
| } |
| } |
| } |
| |
| static class MemberInLoader extends |
| CacheLoader<AccountGroup.UUID, Set<AccountGroup.UUID>> { |
| private final SchemaFactory<ReviewDb> schema; |
| |
| @Inject |
| MemberInLoader(final SchemaFactory<ReviewDb> sf) { |
| schema = sf; |
| } |
| |
| @Override |
| public Set<AccountGroup.UUID> load(AccountGroup.UUID key) throws Exception { |
| final ReviewDb db = schema.open(); |
| try { |
| Set<AccountGroup.Id> ids = Sets.newHashSet(); |
| for (AccountGroupIncludeByUuid agi : db.accountGroupIncludesByUuid() |
| .byIncludeUUID(key)) { |
| ids.add(agi.getGroupId()); |
| } |
| |
| Set<AccountGroup.UUID> groupArray = Sets.newHashSet(); |
| for (AccountGroup g : db.accountGroups().get(ids)) { |
| groupArray.add(g.getGroupUUID()); |
| } |
| return ImmutableSet.copyOf(groupArray); |
| } finally { |
| db.close(); |
| } |
| } |
| } |
| |
| static class AllExternalLoader extends |
| CacheLoader<String, Set<AccountGroup.UUID>> { |
| private final SchemaFactory<ReviewDb> schema; |
| |
| @Inject |
| AllExternalLoader(final SchemaFactory<ReviewDb> sf) { |
| schema = sf; |
| } |
| |
| @Override |
| public Set<AccountGroup.UUID> load(String key) throws Exception { |
| final ReviewDb db = schema.open(); |
| try { |
| Set<AccountGroup.UUID> ids = Sets.newHashSet(); |
| for (AccountGroupIncludeByUuid agi : db.accountGroupIncludesByUuid().all()) { |
| if (!AccountGroup.isInternalGroup(agi.getIncludeUUID())) { |
| ids.add(agi.getIncludeUUID()); |
| } |
| } |
| return ImmutableSet.copyOf(ids); |
| } finally { |
| db.close(); |
| } |
| } |
| } |
| } |