Last change
on this file since 12128 was 11099, checked in by Don-vip, 8 years ago |
sonar - squid:S1609 - @FunctionalInterface annotation should be used to flag Single Abstract Method interfaces
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File size:
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[7937] | 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.data;
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| 3 |
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| 4 | import java.awt.geom.Area;
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| 5 | import java.util.Collection;
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| 6 | import java.util.List;
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| 7 |
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| 8 | /**
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| 9 | * Generic data, holding data downloaded from various data sources.
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| 10 | * @since 7575
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| 11 | */
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[11099] | 12 | @FunctionalInterface
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[7937] | 13 | public interface Data {
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| 14 |
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| 15 | /**
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| 16 | * Returns the collection of data sources.
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| 17 | * @return the collection of data sources.
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| 18 | */
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[8512] | 19 | Collection<DataSource> getDataSources();
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[7937] | 20 |
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| 21 | /**
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| 22 | * Returns the total area of downloaded data (the "yellow rectangles").
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| 23 | * @return Area object encompassing downloaded data.
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| 24 | */
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[11095] | 25 | default Area getDataSourceArea() {
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| 26 | return DataSource.getDataSourceArea(getDataSources());
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| 27 | }
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[7937] | 28 |
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| 29 | /**
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| 30 | * <p>Replies the list of data source bounds.</p>
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| 31 | *
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| 32 | * <p>Dataset maintains a list of data sources which have been merged into the
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| 33 | * data set. Each of these sources can optionally declare a bounding box of the
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| 34 | * data it supplied to the dataset.</p>
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| 35 | *
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| 36 | * <p>This method replies the list of defined (non {@code null}) bounding boxes.</p>
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| 37 | *
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| 38 | * @return the list of data source bounds. An empty list, if no non-null data source
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| 39 | * bounds are defined.
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| 40 | */
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[11095] | 41 | default List<Bounds> getDataSourceBounds() {
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| 42 | return DataSource.getDataSourceBounds(getDataSources());
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| 43 | }
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[7937] | 44 | }
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