1 files changed, 103 insertions, 0 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/database/ids/integer/DoubleDistanceIntegerDBIDPair.java b/src/de/lmu/ifi/dbs/elki/database/ids/integer/DoubleDistanceIntegerDBIDPair.java
new file mode 100644
index 00000000..8334d2e3
--- /dev/null
+++ b/src/de/lmu/ifi/dbs/elki/database/ids/integer/DoubleDistanceIntegerDBIDPair.java
@@ -0,0 +1,103 @@
+package de.lmu.ifi.dbs.elki.database.ids.integer;
+
+/*
+ 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 de.lmu.ifi.dbs.elki.database.ids.DistanceDBIDPair;
+import de.lmu.ifi.dbs.elki.database.ids.DoubleDistanceDBIDPair;
+import de.lmu.ifi.dbs.elki.distance.distancevalue.DoubleDistance;
+
+/**
+ * Class storing a double distance a DBID.
+ * 
+ * @author Erich Schubert
+ */
+class DoubleDistanceIntegerDBIDPair implements DoubleDistanceDBIDPair, IntegerDBIDRef {
+  /**
+   * The distance value.
+   */
+  final double distance;
+
+  /**
+   * The integer DBID.
+   */
+  final int id;
+
+  /**
+   * Constructor.
+   * 
+   * @param distance Distance value
+   * @param id integer object ID
+   */
+  protected DoubleDistanceIntegerDBIDPair(double distance, int id) {
+    super();
+    this.distance = distance;
+    this.id = id;
+  }
+
+  @Override
+  public double doubleDistance() {
+    return distance;
+  }
+
+  @Override
+  @Deprecated
+  public DoubleDistance getDistance() {
+    return new DoubleDistance(distance);
+  }
+
+  @Override
+  public int internalGetIndex() {
+    return id;
+  }
+
+  @Override
+  public int compareByDistance(DistanceDBIDPair<DoubleDistance> o) {
+    if (o instanceof DoubleDistanceDBIDPair) {
+      return Double.compare(distance, ((DoubleDistanceDBIDPair) o).doubleDistance());
+    }
+    return Double.compare(distance, o.getDistance().doubleValue());
+  }
+
+  @Override
+  public String toString() {
+    return distance + ":" + id;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o instanceof DoubleDistanceIntegerDBIDPair) {
+      DoubleDistanceIntegerDBIDPair p = (DoubleDistanceIntegerDBIDPair) o;
+      return (this.id == p.id) && (this.distance == p.distance);
+    }
+    if (o instanceof DistanceIntegerDBIDPair) {
+      DistanceIntegerDBIDPair<?> p = (DistanceIntegerDBIDPair<?>) o;
+      if (p.distance instanceof DoubleDistance) {
+        return (this.id == p.id) && (this.distance == ((DoubleDistance) p.distance).doubleValue());
+      }
+    }
+    return false;
+  }
+}