[2711] | 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.data.osm;
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| 3 |
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| 4 | import java.util.Collection;
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| 5 | import java.util.Collections;
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| 6 | import java.util.HashSet;
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| 7 | import java.util.Set;
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| 8 |
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| 9 | public class DefaultChangesetCacheEvent implements ChangesetCacheEvent{
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| 10 |
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| 11 | private final Set<Changeset> added;
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| 12 | private final Set<Changeset> modified;
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| 13 | private final Set<Changeset> removed;
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| 14 | private final ChangesetCache source;
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| 15 |
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| 16 | public DefaultChangesetCacheEvent(ChangesetCache source) {
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| 17 | this.source = source;
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[7005] | 18 | added = new HashSet<>();
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| 19 | modified = new HashSet<>();
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| 20 | removed = new HashSet<>();
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[2711] | 21 | }
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| 22 |
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[6084] | 23 | @Override
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[2711] | 24 | public Collection<Changeset> getAddedChangesets() {
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| 25 | return Collections.unmodifiableCollection(added);
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| 26 | }
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[6084] | 27 | @Override
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[2711] | 28 | public Collection<Changeset> getRemovedChangesets() {
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| 29 | return Collections.unmodifiableCollection(removed);
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| 30 | }
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[6084] | 31 | @Override
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[2711] | 32 | public ChangesetCache getSource() {
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| 33 | return source;
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| 34 | }
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[6084] | 35 | @Override
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[2711] | 36 | public Collection<Changeset> getUpdatedChangesets() {
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| 37 | return Collections.unmodifiableCollection(modified);
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| 38 | }
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| 39 |
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| 40 | public void rememberAddedChangeset(Changeset cs) {
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| 41 | if (cs == null) return;
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| 42 | added.add(cs);
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| 43 | }
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| 44 |
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| 45 | public void rememberUpdatedChangeset(Changeset cs) {
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| 46 | if (cs == null) return;
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| 47 | modified.add(cs);
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| 48 | }
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| 49 |
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| 50 | public void rememberRemovedChangeset(Changeset cs) {
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| 51 | if (cs == null) return;
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| 52 | removed.add(cs);
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| 53 | }
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| 54 |
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| 55 | public boolean isEmpty() {
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| 56 | return added.isEmpty() && modified.isEmpty() && removed.isEmpty();
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| 57 | }
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| 58 | }
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