1 files changed, 109 insertions, 0 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDIntegerStore.java b/src/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDIntegerStore.java
new file mode 100644
index 00000000..f7aea633
--- /dev/null
+++ b/src/de/lmu/ifi/dbs/elki/database/datastore/memory/MapIntegerDBIDIntegerStore.java
@@ -0,0 +1,109 @@
+package de.lmu.ifi.dbs.elki.database.datastore.memory;
+
+/*
+ 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/>.
+ */
+
+import gnu.trove.map.TIntIntMap;
+import gnu.trove.map.hash.TIntIntHashMap;
+import de.lmu.ifi.dbs.elki.database.datastore.WritableIntegerDataStore;
+import de.lmu.ifi.dbs.elki.database.ids.DBIDRef;
+
+/**
+ * Writable data store for double values.
+ * 
+ * @author Erich Schubert
+ */
+public class MapIntegerDBIDIntegerStore implements WritableIntegerDataStore {
+  /**
+   * Data storage
+   */
+  private TIntIntMap map;
+
+  /**
+   * Constructor.
+   * 
+   * @param size Expected size
+   */
+  public MapIntegerDBIDIntegerStore(int size) {
+    this(size, 0);
+  }
+
+  /**
+   * Constructor.
+   * 
+   * @param size Expected size
+   * @param def Default value
+   */
+  public MapIntegerDBIDIntegerStore(int size, int def) {
+    super();
+    map = new TIntIntHashMap(size, 0.5f, Integer.MIN_VALUE, def);
+  }
+
+  @Override
+  @Deprecated
+  public Integer get(DBIDRef id) {
+    return map.get(id.getIntegerID());
+  }
+
+  @Override
+  public int intValue(DBIDRef id) {
+    return map.get(id.getIntegerID());
+  }
+
+  @Override
+  public String getLongName() {
+    return "raw";
+  }
+
+  @Override
+  public String getShortName() {
+    return "raw";
+  }
+
+  @Override
+  @Deprecated
+  public Integer put(DBIDRef id, Integer value) {
+    return map.put(id.getIntegerID(), value);
+  }
+
+  @Override
+  public void destroy() {
+    map.clear();
+    map = null;
+  }
+
+  @Override
+  public void delete(DBIDRef id) {
+    map.remove(id.getIntegerID());
+  }
+
+  @Override
+  public int putInt(DBIDRef id, int value) {
+    return map.put(id.getIntegerID(), value);
+  }
+
+  @Override
+  public int put(DBIDRef id, int value) {
+    return map.put(id.getIntegerID(), value);
+  }
+}