The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/sync/repositories/HashSetStoreTracker.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,61 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +package org.mozilla.gecko.sync.repositories;
     1.9 +
    1.10 +import java.util.HashSet;
    1.11 +import java.util.Iterator;
    1.12 +
    1.13 +import org.mozilla.gecko.sync.repositories.domain.Record;
    1.14 +
    1.15 +public class HashSetStoreTracker implements StoreTracker {
    1.16 +
    1.17 +  // Guarded by `this`.
    1.18 +  // Used to store GUIDs that were not locally modified but
    1.19 +  // have been modified by a call to `store`, and thus
    1.20 +  // should not be returned by a subsequent fetch.
    1.21 +  private HashSet<String> guids;
    1.22 +
    1.23 +  public HashSetStoreTracker() {
    1.24 +    guids = new HashSet<String>();
    1.25 +  }
    1.26 +
    1.27 +  @Override
    1.28 +  public String toString() {
    1.29 +    return "#<Tracker: " + guids.size() + " guids tracked.>";
    1.30 +  }
    1.31 +
    1.32 +  @Override
    1.33 +  public synchronized boolean trackRecordForExclusion(String guid) {
    1.34 +    return (guid != null) && guids.add(guid);
    1.35 +  }
    1.36 +
    1.37 +  @Override
    1.38 +  public synchronized boolean isTrackedForExclusion(String guid) {
    1.39 +    return (guid != null) && guids.contains(guid);
    1.40 +  }
    1.41 +
    1.42 +  @Override
    1.43 +  public synchronized boolean untrackStoredForExclusion(String guid) {
    1.44 +    return (guid != null) && guids.remove(guid);
    1.45 +  }
    1.46 +
    1.47 +  @Override
    1.48 +  public RecordFilter getFilter() {
    1.49 +    if (guids.size() == 0) {
    1.50 +      return null;
    1.51 +    }
    1.52 +    return new RecordFilter() {
    1.53 +      @Override
    1.54 +      public boolean excludeRecord(Record r) {
    1.55 +        return isTrackedForExclusion(r.guid);
    1.56 +      }
    1.57 +    };
    1.58 +  }
    1.59 +
    1.60 +  @Override
    1.61 +  public Iterator<String> recordsTrackedForExclusion() {
    1.62 +    return this.guids.iterator();
    1.63 +  }
    1.64 +}