The Tor Browser / file comparison
comparison: mobile/android/base/sync/repositories/HashSetStoreTracker.java
mobile/android/base/sync/repositories/HashSetStoreTracker.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
deleted
inserted
replaced
| -1:000000000000 | 0:98b15a54b415 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 package org.mozilla.gecko.sync.repositories; | |
| 6 | |
| 7 import java.util.HashSet; | |
| 8 import java.util.Iterator; | |
| 9 | |
| 10 import org.mozilla.gecko.sync.repositories.domain.Record; | |
| 11 | |
| 12 public class HashSetStoreTracker implements StoreTracker { | |
| 13 | |
| 14 // Guarded by `this`. | |
| 15 // Used to store GUIDs that were not locally modified but | |
| 16 // have been modified by a call to `store`, and thus | |
| 17 // should not be returned by a subsequent fetch. | |
| 18 private HashSet<String> guids; | |
| 19 | |
| 20 public HashSetStoreTracker() { | |
| 21 guids = new HashSet<String>(); | |
| 22 } | |
| 23 | |
| 24 @Override | |
| 25 public String toString() { | |
| 26 return "#<Tracker: " + guids.size() + " guids tracked.>"; | |
| 27 } | |
| 28 | |
| 29 @Override | |
| 30 public synchronized boolean trackRecordForExclusion(String guid) { | |
| 31 return (guid != null) && guids.add(guid); | |
| 32 } | |
| 33 | |
| 34 @Override | |
| 35 public synchronized boolean isTrackedForExclusion(String guid) { | |
| 36 return (guid != null) && guids.contains(guid); | |
| 37 } | |
| 38 | |
| 39 @Override | |
| 40 public synchronized boolean untrackStoredForExclusion(String guid) { | |
| 41 return (guid != null) && guids.remove(guid); | |
| 42 } | |
| 43 | |
| 44 @Override | |
| 45 public RecordFilter getFilter() { | |
| 46 if (guids.size() == 0) { | |
| 47 return null; | |
| 48 } | |
| 49 return new RecordFilter() { | |
| 50 @Override | |
| 51 public boolean excludeRecord(Record r) { | |
| 52 return isTrackedForExclusion(r.guid); | |
| 53 } | |
| 54 }; | |
| 55 } | |
| 56 | |
| 57 @Override | |
| 58 public Iterator<String> recordsTrackedForExclusion() { | |
| 59 return this.guids.iterator(); | |
| 60 } | |
| 61 } |
