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Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/datasource/filter/AbstractStreamFilter.java')
-rw-r--r-- | src/de/lmu/ifi/dbs/elki/datasource/filter/AbstractStreamFilter.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/datasource/filter/AbstractStreamFilter.java b/src/de/lmu/ifi/dbs/elki/datasource/filter/AbstractStreamFilter.java new file mode 100644 index 00000000..368be1a2 --- /dev/null +++ b/src/de/lmu/ifi/dbs/elki/datasource/filter/AbstractStreamFilter.java @@ -0,0 +1,50 @@ +package de.lmu.ifi.dbs.elki.datasource.filter; + +import de.lmu.ifi.dbs.elki.datasource.bundle.BundleStreamSource; +import de.lmu.ifi.dbs.elki.datasource.bundle.MultipleObjectsBundle; +import de.lmu.ifi.dbs.elki.datasource.bundle.StreamFromBundle; + +/* + This file is part of ELKI: + Environment for Developing KDD-Applications Supported by Index-Structures + + Copyright (C) 2012 + Ludwig-Maximilians-Universität München + Lehr- und Forschungseinheit für Datenbanksysteme + ELKI Development Team + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +/** + * Abstract base class for streaming filters. + * + * @author Erich Schubert + */ +public abstract class AbstractStreamFilter implements StreamFilter { + /** + * Data source + */ + protected BundleStreamSource source = null; + + @Override + public MultipleObjectsBundle filter(MultipleObjectsBundle objects) { + init(new StreamFromBundle(objects)); + return MultipleObjectsBundle.fromStream(this); + } + + @Override + public void init(BundleStreamSource source) { + this.source = source; + } +} |