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Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/parallel/variables/SharedObject.java')
-rw-r--r-- | src/de/lmu/ifi/dbs/elki/parallel/variables/SharedObject.java | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/parallel/variables/SharedObject.java b/src/de/lmu/ifi/dbs/elki/parallel/variables/SharedObject.java new file mode 100644 index 00000000..06ff3da6 --- /dev/null +++ b/src/de/lmu/ifi/dbs/elki/parallel/variables/SharedObject.java @@ -0,0 +1,64 @@ +package de.lmu.ifi.dbs.elki.parallel.variables; + +/* + This file is part of ELKI: + Environment for Developing KDD-Applications Supported by Index-Structures + + Copyright (C) 2014 + 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/>. + */ + +/** + * Variable to share between different processors (within one thread only!) + * + * @author Erich Schubert + * + * @apiviz.has SharedObject.Instance + * + * @param <T> Data type + */ +public class SharedObject<T> implements SharedVariable<SharedObject.Instance<T>> { + @Override + public Instance<T> instantiate() { + return new Instance<>(); + } + + /** + * Instance for a particular thread. + * + * @author Erich Schubert + * + * @param <T> Data type + */ + public static class Instance<T> implements SharedVariable.Instance<T> { + /** + * Cache for last data consumed/produced + */ + private T data = null; + + @Override + public T get() { + return data; + } + + @Override + public void set(T data) { + this.data = data; + } + } +}
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