SOLR-928: SolrDocument and SolrInputDocument now implement the Map<String,?>

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@728104 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -122,6 +122,8 @@ New Features
     option, as well as a list of protected terms.
     (Dan Rosher via hossman)
 
+25. SOLR-928: SolrDocument and SolrInputDocument now implement the Map<String,?>
+    interface.  This should make plugging into other standard tools easier. (ryan)
 
 
 Optimizations

src/common/org/apache/solr/common/SolrDocument.java

@@ -21,11 +21,10 @@ import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.HashMap;
 import java.util.Iterator;
+import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Set;
-import java.util.Map.Entry;
 
 
 /**
@@ -39,13 +38,13 @@ import java.util.Map.Entry;
  * @version $Id$
  * @since solr 1.3
  */
-public class SolrDocument implements Serializable, Iterable<Map.Entry<String, Object>>
+public class SolrDocument implements Map<String,Object>, Iterable<Map.Entry<String, Object>>, Serializable
 {
-  private Map<String,Object> _fields = null;
+  private final Map<String,Object> _fields;
   
   public SolrDocument()
   {
-    _fields = new HashMap<String,Object>();
+    _fields = new LinkedHashMap<String,Object>();
   }
 
   /**
@@ -250,4 +249,63 @@ public class SolrDocument implements Serializable, Iterable<Map.Entry<String, Ob
       public Collection<Object> remove(Object key) {throw new UnsupportedOperationException();}      
    };
   }
+
+  //---------------------------------------------------
+  // MAP interface
+  //---------------------------------------------------
+
+  @Override
+  public boolean containsKey(Object key) {
+    return _fields.containsKey(key);
+  }
+
+  @Override
+  public boolean containsValue(Object value) {
+    return _fields.containsValue(value);
+  }
+
+  @Override
+  public Set<Entry<String, Object>> entrySet() {
+    return _fields.entrySet();
+  }
+
+  @Override
+  public Object get(Object key) {
+    return _fields.get(key);
+  }
+
+  @Override
+  public boolean isEmpty() {
+    return _fields.isEmpty();
+  }
+
+  @Override
+  public Set<String> keySet() {
+    return _fields.keySet();
+  }
+
+  @Override
+  public Object put(String key, Object value) {
+    return _fields.put(key, value);
+  }
+
+  @Override
+  public void putAll(Map<? extends String, ? extends Object> t) {
+    _fields.putAll( t );
+  }
+
+  @Override
+  public Object remove(Object key) {
+    return _fields.remove(key);
+  }
+
+  @Override
+  public int size() {
+    return _fields.size();
+  }
+
+  @Override
+  public Collection<Object> values() {
+    return _fields.values();
+  }
 }

src/common/org/apache/solr/common/SolrInputDocument.java

@@ -18,11 +18,11 @@
 package org.apache.solr.common;
 
 import java.io.Serializable;
-import java.util.HashMap;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Collection;
+import java.util.Set;
 
 /**
  * Represent the field and boost information needed to construct and index
@@ -32,13 +32,12 @@ import java.util.Collection;
  * @version $Id$
  * @since solr 1.3
  */
-public class SolrInputDocument implements Iterable<SolrInputField>, Serializable
+public class SolrInputDocument implements Map<String,SolrInputField>, Iterable<SolrInputField>, Serializable
 {
   private final Map<String,SolrInputField> _fields;
   private float _documentBoost = 1.0f;
 
-  public SolrInputDocument()
-  {
+  public SolrInputDocument() {
     _fields = new LinkedHashMap<String,SolrInputField>();
   }
   
@@ -173,4 +172,64 @@ public class SolrInputDocument implements Iterable<SolrInputField>, Serializable
   {
     return "SolrInputDocument["+_fields+"]";
   }
+  
+
+  //---------------------------------------------------
+  // MAP interface
+  //---------------------------------------------------
+
+  @Override
+  public boolean containsKey(Object key) {
+    return _fields.containsKey(key);
+  }
+
+  @Override
+  public boolean containsValue(Object value) {
+    return _fields.containsValue(value);
+  }
+
+  @Override
+  public Set<Entry<String, SolrInputField>> entrySet() {
+    return _fields.entrySet();
+  }
+
+  @Override
+  public SolrInputField get(Object key) {
+    return _fields.get(key);
+  }
+
+  @Override
+  public boolean isEmpty() {
+    return _fields.isEmpty();
+  }
+
+  @Override
+  public Set<String> keySet() {
+    return _fields.keySet();
+  }
+
+  @Override
+  public SolrInputField put(String key, SolrInputField value) {
+    return _fields.put(key, value);
+  }
+
+  @Override
+  public void putAll(Map<? extends String, ? extends SolrInputField> t) {
+    _fields.putAll( t );
+  }
+
+  @Override
+  public SolrInputField remove(Object key) {
+    return _fields.remove(key);
+  }
+
+  @Override
+  public int size() {
+    return _fields.size();
+  }
+
+  @Override
+  public Collection<SolrInputField> values() {
+    return _fields.values();
+  }
 }

src/test/org/apache/solr/common/SolrDocumentTest.java

@@ -22,6 +22,7 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 
 import org.apache.solr.common.SolrDocument;
 import org.apache.solr.common.SolrInputDocument;
@@ -175,6 +176,17 @@ public class SolrDocumentTest extends TestCase
     }
     assertEquals( (3*5), doc.getField("f").getValueCount() );
   }
+  
+  public void testMapInterface()
+  {
+    SolrDocument doc = new SolrDocument();
+    assertTrue( doc instanceof Map );
+    assertTrue( Map.class.isAssignableFrom( SolrDocument.class ) );
+    
+    SolrInputDocument indoc = new SolrInputDocument();
+    assertTrue( indoc instanceof Map );
+    assertTrue( Map.class.isAssignableFrom( indoc.getClass() ) );
+  }
 }