Import Upstream version 0.6.5~20141030

1 files changed, 106 insertions, 0 deletions

diff --git a/src/de/lmu/ifi/dbs/elki/parallel/processor/WriteDoubleDataStoreProcessor.java b/src/de/lmu/ifi/dbs/elki/parallel/processor/WriteDoubleDataStoreProcessor.java
new file mode 100644
index 00000000..f8bf5b74
--- /dev/null
+++ b/src/de/lmu/ifi/dbs/elki/parallel/processor/WriteDoubleDataStoreProcessor.java
@@ -0,0 +1,106 @@
+package de.lmu.ifi.dbs.elki.parallel.processor;
+
+/*
+ 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/>.
+ */
+
+import de.lmu.ifi.dbs.elki.database.datastore.WritableDoubleDataStore;
+import de.lmu.ifi.dbs.elki.database.ids.DBIDRef;
+import de.lmu.ifi.dbs.elki.parallel.Executor;
+import de.lmu.ifi.dbs.elki.parallel.variables.SharedDouble;
+
+/**
+ * Write double values into a {@link WritableDoubleDataStore}.
+ * 
+ * @author Erich Schubert
+ *
+ * @apiviz.has Instance
+ * @apiviz.uses SharedDouble
+ * @apiviz.uses WritableDoubleDataStore
+ */
+public class WriteDoubleDataStoreProcessor implements Processor {
+  /**
+   * Store to write to
+   */
+  WritableDoubleDataStore store;
+
+  /**
+   * Shared double variable
+   */
+  SharedDouble input;
+
+  /**
+   * Constructor.
+   * 
+   * @param store Data store to write to
+   */
+  public WriteDoubleDataStoreProcessor(WritableDoubleDataStore store) {
+    super();
+    this.store = store;
+  }
+
+  /**
+   * Connect the input variable
+   * 
+   * @param input Input variable
+   */
+  public void connectInput(SharedDouble input) {
+    this.input = input;
+  }
+
+  @Override
+  public Instance instantiate(Executor executor) {
+    return new Instance(executor.getInstance(input));
+  }
+
+  @Override
+  public void cleanup(Processor.Instance inst) {
+    // Nothing to do.
+  }
+
+  /**
+   * Instance for a sub-channel.
+   * 
+   * @author Erich Schubert
+   */
+  public class Instance implements Processor.Instance {
+    /**
+     * Shared double variable
+     */
+    SharedDouble.Instance input;
+
+    /**
+     * Constructor.
+     * 
+     * @param input Input
+     */
+    public Instance(SharedDouble.Instance input) {
+      super();
+      this.input = input;
+    }
+
+    @Override
+    public void map(DBIDRef id) {
+      store.putDouble(id, input.doubleValue());
+    }
+  }
+}