pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / spatial / src / java / org / apache / lucene / spatial / tier / DistanceHandler.java

diff --git a/lucene-java-3.4.0/lucene/contrib/spatial/src/java/org/apache/lucene/spatial/tier/DistanceHandler.java b/lucene-java-3.4.0/lucene/contrib/spatial/src/java/org/apache/lucene/spatial/tier/DistanceHandler.java
deleted file mode 100644 (file)
index 836dab3..0000000
--- a/lucene-java-3.4.0/lucene/contrib/spatial/src/java/org/apache/lucene/spatial/tier/DistanceHandler.java
+++ /dev/null
@@ -1,106 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.lucene.spatial.tier;
-
-import org.apache.lucene.spatial.DistanceUtils;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Provide a high level access point to distances
- * Used by DistanceSortSource and DistanceQuery
- *  
- * <p><font color="red"><b>NOTE:</b> This API is still in
- * flux and might change in incompatible ways in the next
- * release.</font>
- *
- */
-public class DistanceHandler {
-
-  public enum Precision {EXACT, TWOFEET, TWENTYFEET, TWOHUNDREDFEET}
-  
-  private Map<Integer,Double> distances;
-  private Map<String, Double> distanceLookupCache;
-  private Precision precise;
-  
-  public DistanceHandler (Map<Integer,Double> distances, Map<String, Double> distanceLookupCache, Precision precise){
-    this.distances = distances;
-    this.distanceLookupCache = distanceLookupCache;
-    this.precise = precise; 
-  }
-  
-  
-  public static double getPrecision(double x, Precision thisPrecise){
-    
-    if(thisPrecise != null){
-      double dif = 0;
-      switch(thisPrecise) {
-        case EXACT: return x;
-        case TWOFEET:        dif = x % 0.0001; break;
-        case TWENTYFEET:     dif = x % 0.001;  break;
-        case TWOHUNDREDFEET: dif = x % 0.01; break;
-      }
-      return x - dif;
-    }
-    return x;
-  }
-  
-  public Precision getPrecision() {
-    return precise;
-  }
-  
-  public double getDistance(int docid, double centerLat, double centerLng, double lat, double lng){
-  
-    // check to see if we have distances
-    // if not calculate the distance
-    if(distances == null){
-      return DistanceUtils.getDistanceMi(centerLat, centerLng, lat, lng);
-    }
-    
-    // check to see if the doc id has a cached distance
-    Double docd = distances.get( docid );
-    if (docd != null){
-      return docd.doubleValue();
-    }
-    
-    //check to see if we have a precision code
-    // and if another lat/long has been calculated at
-    // that rounded location
-    if (precise != null) {
-      double xLat = getPrecision(lat, precise);
-      double xLng = getPrecision(lng, precise);
-      
-      String k = Double.valueOf(xLat).toString() +","+ Double.valueOf(xLng).toString();
-    
-      Double d = (distanceLookupCache.get(k));
-      if (d != null){
-        return d.doubleValue();
-      }
-    }
-    
-    //all else fails calculate the distances    
-    return DistanceUtils.getDistanceMi(centerLat, centerLng, lat, lng);
-  }
-  
-  
-  public static void main(String args[]){ 
-    DistanceHandler db = new DistanceHandler(new HashMap<Integer,Double>(), new HashMap<String,Double>(), Precision.TWOHUNDREDFEET);
-    System.out.println(DistanceHandler.getPrecision(-1234.123456789, db.getPrecision()));
-  }
-}