diff options
Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/datasource/bundle/BundleStreamSource.java')
| -rw-r--r-- | src/de/lmu/ifi/dbs/elki/datasource/bundle/BundleStreamSource.java | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/datasource/bundle/BundleStreamSource.java b/src/de/lmu/ifi/dbs/elki/datasource/bundle/BundleStreamSource.java index cbac6134..bffbd6a0 100644 --- a/src/de/lmu/ifi/dbs/elki/datasource/bundle/BundleStreamSource.java +++ b/src/de/lmu/ifi/dbs/elki/datasource/bundle/BundleStreamSource.java @@ -1,10 +1,12 @@ package de.lmu.ifi.dbs.elki.datasource.bundle; +import de.lmu.ifi.dbs.elki.database.ids.DBIDVar; + /* This file is part of ELKI: Environment for Developing KDD-Applications Supported by Index-Structures - Copyright (C) 2013 + Copyright (C) 2014 Ludwig-Maximilians-Universität München Lehr- und Forschungseinheit für Datenbanksysteme ELKI Development Team @@ -29,14 +31,13 @@ package de.lmu.ifi.dbs.elki.datasource.bundle; * @author Erich Schubert * * @apiviz.composedOf BundleMeta + * @apiviz.has BundleStreamSource.Event */ public interface BundleStreamSource { /** * Events * * @author Erich Schubert - * - * @apiviz.exclude */ public static enum Event { // Metadata has changed @@ -63,9 +64,31 @@ public interface BundleStreamSource { public Object data(int rnum); /** + * Indicate whether the stream contains DBIDs. + * + * @return {@code true} if the stream contains DBIDs. + */ + public boolean hasDBIDs(); + + /** + * Assign the current object ID to a {@link DBIDVar}. + * + * @param var Variable to assign the object id to + * @return {@code false} when no object id is available + */ + public boolean assignDBID(DBIDVar var); + + /** * Get the next event * * @return Event type */ public Event nextEvent(); + + /** + * Return (or collect) the stream as bundle. + * + * @return Bundle + */ + public MultipleObjectsBundle asMultipleObjectsBundle(); }
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