SOLR-2818: Added before/after count response parsing support for range facets in SolrJ.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1180377 13f79535-47bb-0310-9956-ffa450edef68

solr/CHANGES.txt

@@ -357,6 +357,9 @@ New Features
 * SOLR-1979: New contrib "langid". Adds language identification capabilities as an 
   Update Processor, using Tika's LanguageIdentifier (janhoy, Tommaso Teofili, gsingers)
 
+* SOLR-2818: Added before/after count response parsing support for range facets in
+  SolrJ. (Bernhard Frauendienst via Martijn van Groningen)  
+
 Bug Fixes
 ----------------------
 * SOLR-2748: The CommitTracker used for commitWith or autoCommit by maxTime

solr/solrj/src/java/org/apache/solr/client/solrj/response/QueryResponse.java

@@ -311,12 +311,20 @@ public class QueryResponse extends SolrResponseBase
           Number gap = (Number) rawGap;
           Number start = (Number) values.get("start");
           Number end = (Number) values.get("end");
-          rangeFacet = new RangeFacet.Numeric(facet.getKey(), start, end, gap);
+
+          Number before = (Number) values.get("before");
+          Number after = (Number) values.get("after");
+
+          rangeFacet = new RangeFacet.Numeric(facet.getKey(), start, end, gap, before, after);
         } else {
           String gap = (String) rawGap;
           Date start = (Date) values.get("start");
           Date end = (Date) values.get("end");
-          rangeFacet = new RangeFacet.Date(facet.getKey(), start, end, gap);
+
+          Number before = (Number) values.get("before");
+          Number after = (Number) values.get("after");
+
+          rangeFacet = new RangeFacet.Date(facet.getKey(), start, end, gap, before, after);
         }
 
         NamedList<Integer> counts = (NamedList<Integer>) values.get("counts");

solr/solrj/src/java/org/apache/solr/client/solrj/response/RangeFacet.java

@@ -32,11 +32,16 @@ public abstract class RangeFacet<B, G> {
   private final B end;
   private final G gap;
 
-  protected RangeFacet(String name, B start, B end, G gap) {
+  private final Number before;
+  private final Number after;
+
+  protected RangeFacet(String name, B start, B end, G gap, Number before, Number after) {
     this.name = name;
     this.start = start;
     this.end = end;
     this.gap = gap;
+    this.before = before;
+    this.after = after;
   }
 
   public void addCount(String value, int count) {
@@ -63,19 +68,26 @@ public abstract class RangeFacet<B, G> {
     return gap;
   }
 
+  public Number getBefore() {
+    return before;
+  }
+
+  public Number getAfter() {
+    return after;
+  }
 
   public static class Numeric extends RangeFacet<Number, Number> {
 
-    public Numeric(String name, Number start, Number end, Number gap) {
-      super(name, start, end, gap);
+    public Numeric(String name, Number start, Number end, Number gap, Number before, Number after) {
+      super(name, start, end, gap, before, after);
     }
 
   }
 
   public static class Date extends RangeFacet<java.util.Date, String> {
 
-    public Date(String name, java.util.Date start, java.util.Date end, String gap) {
-      super(name, start, end, gap);
+    public Date(String name, java.util.Date start, java.util.Date end, String gap, Number before, Number after) {
+      super(name, start, end, gap, before, after);
     }
 
   }

solr/solrj/src/test-files/solrj/sampleDateFacetResponse.xml

@@ -72,6 +72,8 @@
         <str name="gap">+1YEAR</str>
         <date name="start">2005-02-13T15:26:37Z</date>
         <date name="end">2008-02-13T15:26:37Z</date>
+        <int name="before">90</int>
+        <int name="after">1</int>
       </lst>
     </lst>
   </lst>

solr/solrj/src/test/org/apache/solr/client/solrj/response/QueryResponseTest.java

@@ -112,6 +112,8 @@ public class QueryResponseTest extends LuceneTestCase {
     assertEquals(7, manufacturedateDt.getCounts().get(1).getCount());
     assertEquals("2007-02-13T15:26:37Z", manufacturedateDt.getCounts().get(2).getValue());
     assertEquals(0, manufacturedateDt.getCounts().get(2).getCount());
+    assertEquals(90, manufacturedateDt.getBefore());
+    assertEquals(1, manufacturedateDt.getAfter());
   }
 
   @Test