Line data    Source code

       1             : // Copyright (C) 2014 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.account;
      16             : 
      17             : import static com.google.common.base.Preconditions.checkArgument;
      18             : 
      19             : import com.google.common.collect.Iterables;
      20             : import com.google.gerrit.common.Nullable;
      21             : import com.google.gerrit.entities.Account;
      22             : import com.google.gerrit.extensions.common.AccountInfo;
      23             : import com.google.gerrit.server.account.AccountDirectory.FillOptions;
      24             : import com.google.gerrit.server.permissions.PermissionBackendException;
      25             : import com.google.inject.assistedinject.Assisted;
      26             : import com.google.inject.assistedinject.AssistedInject;
      27             : import java.util.ArrayList;
      28             : import java.util.Collection;
      29             : import java.util.Collections;
      30             : import java.util.EnumSet;
      31             : import java.util.HashMap;
      32             : import java.util.List;
      33             : import java.util.Map;
      34             : import java.util.Set;
      35             : 
      36             : public class AccountLoader {
      37         108 :   public static final Set<FillOptions> DETAILED_OPTIONS =
      38         108 :       Collections.unmodifiableSet(
      39         108 :           EnumSet.of(
      40             :               FillOptions.ID,
      41             :               FillOptions.NAME,
      42             :               FillOptions.EMAIL,
      43             :               FillOptions.USERNAME,
      44             :               FillOptions.DISPLAY_NAME,
      45             :               FillOptions.STATUS,
      46             :               FillOptions.STATE,
      47             :               FillOptions.AVATARS,
      48             :               FillOptions.TAGS));
      49             : 
      50             :   public interface Factory {
      51             :     AccountLoader create(boolean detailed);
      52             : 
      53             :     AccountLoader create(Set<FillOptions> options);
      54             :   }
      55             : 
      56             :   private final InternalAccountDirectory directory;
      57             :   private final Set<FillOptions> options;
      58             :   private final Map<Account.Id, AccountInfo> created;
      59             :   private final List<AccountInfo> provided;
      60             : 
      61             :   @AssistedInject
      62             :   AccountLoader(InternalAccountDirectory directory, @Assisted boolean detailed) {
      63         108 :     this(directory, detailed ? DETAILED_OPTIONS : InternalAccountDirectory.ID_ONLY);
      64         108 :   }
      65             : 
      66             :   @AssistedInject
      67         108 :   AccountLoader(InternalAccountDirectory directory, @Assisted Set<FillOptions> options) {
      68         108 :     this.directory = directory;
      69         108 :     this.options = options;
      70         108 :     created = new HashMap<>();
      71         108 :     provided = new ArrayList<>();
      72         108 :   }
      73             : 
      74             :   @Nullable
      75             :   public synchronized AccountInfo get(@Nullable Account.Id id) {
      76         108 :     if (id == null) {
      77         103 :       return null;
      78             :     }
      79         108 :     AccountInfo info = created.get(id);
      80         108 :     if (info == null) {
      81         108 :       info = new AccountInfo(id.get());
      82         108 :       created.put(id, info);
      83             :     }
      84         108 :     return info;
      85             :   }
      86             : 
      87             :   public synchronized void put(AccountInfo info) {
      88          73 :     checkArgument(info._accountId != null, "_accountId field required");
      89          73 :     provided.add(info);
      90          73 :   }
      91             : 
      92             :   public void fill() throws PermissionBackendException {
      93         108 :     directory.fillAccountInfo(Iterables.concat(created.values(), provided), options);
      94         108 :   }
      95             : 
      96             :   public void fill(Collection<? extends AccountInfo> infos) throws PermissionBackendException {
      97          30 :     for (AccountInfo info : infos) {
      98          30 :       put(info);
      99          30 :     }
     100          30 :     fill();
     101          30 :   }
     102             : 
     103             :   @Nullable
     104             :   public AccountInfo fillOne(@Nullable Account.Id id) throws PermissionBackendException {
     105           7 :     AccountInfo info = get(id);
     106           7 :     fill();
     107           7 :     return info;
     108             :   }
     109             : }