pylucene 3.5.0-3

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

diff --git a/lucene-java-3.4.0/lucene/contrib/spatial/src/java/org/apache/lucene/spatial/tier/LatLongDistanceFilter.java b/lucene-java-3.4.0/lucene/contrib/spatial/src/java/org/apache/lucene/spatial/tier/LatLongDistanceFilter.java
deleted file mode 100644 (file)
index 44fba38..0000000
--- a/lucene-java-3.4.0/lucene/contrib/spatial/src/java/org/apache/lucene/spatial/tier/LatLongDistanceFilter.java
+++ /dev/null
@@ -1,137 +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 java.io.IOException;
-import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.search.FilteredDocIdSet;
-import org.apache.lucene.search.FieldCache;
-import org.apache.lucene.search.Filter;
-import org.apache.lucene.search.DocIdSet;
-import org.apache.lucene.spatial.DistanceUtils;
-
-
-/**
- * <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 LatLongDistanceFilter extends DistanceFilter {
-
-  /**
-   * 
-   */
-  private static final long serialVersionUID = 1L;
-  
-  double lat;
-  double lng;
-  String latField;
-  String lngField;
-
-  int nextOffset = 0;
-  
-  /**
-   * Provide a distance filter based from a center point with a radius
-   * in miles.
-   * @param startingFilter Filter to start from
-   * @param lat
-   * @param lng
-   * @param miles
-   * @param latField
-   * @param lngField
-   */
-  public LatLongDistanceFilter(Filter startingFilter, double lat, double lng, double miles, String latField, String lngField) {
-    super(startingFilter, miles);
-    this.lat = lat;
-    this.lng = lng;
-    this.latField = latField;
-    this.lngField = lngField;
-  }
-  
-  @Override
-  public DocIdSet getDocIdSet(IndexReader reader) throws IOException {
-
-    final double[] latIndex = FieldCache.DEFAULT.getDoubles(reader, latField);
-    final double[] lngIndex = FieldCache.DEFAULT.getDoubles(reader, lngField);
-
-    final int docBase = nextDocBase;
-    nextDocBase += reader.maxDoc();
-
-    return new FilteredDocIdSet(startingFilter.getDocIdSet(reader)) {
-      @Override
-      protected boolean match(int doc) {
-        double x = latIndex[doc];
-        double y = lngIndex[doc];
-      
-        // round off lat / longs if necessary
-        //      x = DistanceHandler.getPrecision(x, precise);
-        //      y = DistanceHandler.getPrecision(y, precise);
-      
-        String ck = Double.toString(x)+","+Double.toString(y);
-        Double cachedDistance = distanceLookupCache.get(ck);
-
-        double d;
-        if (cachedDistance != null){
-          d = cachedDistance.doubleValue();
-        } else {
-          d = DistanceUtils.getDistanceMi(lat, lng, x, y);
-          distanceLookupCache.put(ck, d);
-        }
-
-        if (d < distance) {
-          // Save distances, so they can be pulled for
-          // sorting after filtering is done:
-          distances.put(doc+docBase, d);
-          return true;
-        } else {
-          return false;
-        }
-      }
-    };
-  }
-
-  /** Returns true if <code>o</code> is equal to this. */
-  @Override
-  public boolean equals(Object o) {
-    if (this == o) return true;
-    if (!(o instanceof LatLongDistanceFilter)) return false;
-    LatLongDistanceFilter other = (LatLongDistanceFilter) o;
-
-    if (!this.startingFilter.equals(other.startingFilter) ||
-        this.distance != other.distance ||
-        this.lat != other.lat ||
-        this.lng != other.lng ||
-        !this.latField.equals(other.latField) ||
-        !this.lngField.equals(other.lngField)) {
-      return false;
-    }
-    return true;
-  }
-
-  /** Returns a hash code value for this object.*/
-  @Override
-  public int hashCode() {
-    int h = Double.valueOf(distance).hashCode();
-    h ^= startingFilter.hashCode();
-    h ^= Double.valueOf(lat).hashCode();
-    h ^= Double.valueOf(lng).hashCode();
-    h ^= latField.hashCode();
-    h ^= lngField.hashCode();
-    return h;
-  }
-}