changed to

Author: Ryan

src/main/com/mongodb/DBCallback.java

@@ -2,128 +2,13 @@
 
 package com.mongodb;
 
-import java.util.*;
-import java.util.logging.*;
 
 import org.bson.*;
-import org.bson.types.*;
 
 /**
- * This class overrides BasicBSONCallback to implement some extra features specific to the Database.
- * For example DBRef type.
- * @author antoine
+ * The DB callback interface.
  */
-public class DBCallback extends BasicBSONCallback {
+public interface DBCallback extends BSONCallback {
 
-    public static interface Factory {
-        public DBCallback create( DBCollection collection );
-    }
-
-    static class DefaultFactory implements Factory {
-        @Override
-        public DBCallback create( DBCollection collection ){
-            return new DBCallback( collection );
-        }
-    }
-
-    public static Factory FACTORY = new DefaultFactory();
-
-    public DBCallback( DBCollection coll ){
-        _collection = coll;
-        _db = _collection == null ? null : _collection.getDB();
-    }
-
-    @Override
-    @SuppressWarnings("deprecation")
-    public void gotDBRef( String name , String ns , ObjectId id ){
-        if ( id.equals( Bytes.COLLECTION_REF_ID ) )
-            cur().put( name , _collection );
-        else
-            cur().put( name , new DBPointer( (DBObject)cur() , name , _db , ns , id ) );
-    }
-
-    @Override
-    public void objectStart(boolean array, String name){
-        _lastName = name;
-        super.objectStart( array , name );
-    }
-
-    @Override
-    public Object objectDone(){
-        BSONObject o = (BSONObject)super.objectDone();
-        if ( ! ( o instanceof List ) &&
-             o.containsField( "$ref" ) &&
-             o.containsField( "$id" ) ){
-            return cur().put( _lastName , new DBRef( _db, o ) );
-        }
-
-        return o;
-    }
-
-    @Override
-    public BSONObject create(){
-        return _create( null );
-    }
-
-    @Override
-    public BSONObject create( boolean array , List<String> path ){
-        if ( array )
-            return new BasicDBList();
-        return _create( path );
-    }
-
-    private DBObject _create( List<String> path ){
-
-        Class c = null;
-
-        if ( _collection != null && _collection._objectClass != null){
-            if ( path == null || path.size() == 0 ){
-                c = _collection._objectClass;
-            }
-            else {
-                StringBuilder buf = new StringBuilder();
-                for ( int i=0; i<path.size(); i++ ){
-                    if ( i > 0 )
-                        buf.append(".");
-                    buf.append( path.get(i) );
-                }
-                c = _collection.getInternalClass( buf.toString() );
-            }
-
-        }
-
-        if ( c != null ){
-            try {
-                return (DBObject)c.newInstance();
-            }
-            catch ( InstantiationException ie ){
-                LOGGER.log( Level.FINE , "can't create a: " + c , ie );
-                throw new MongoInternalException( "can't instantiate a : " + c , ie );
-            }
-            catch ( IllegalAccessException iae ){
-                LOGGER.log( Level.FINE , "can't create a: " + c , iae );
-                throw new MongoInternalException( "can't instantiate a : " + c , iae );
-            }
-        }
-
-        if ( _collection != null && _collection._name.equals( "$cmd" ) )
-            return new CommandResult();
-        return new BasicDBObject();
-    }
-
-    DBObject dbget(){
-        DBObject o = (DBObject)get();
-        return o;
-    }
-
-    @Override
-    public void reset(){
-        _lastName = null;
-        super.reset();
-    }
-
-    private String _lastName;
-    final DBCollection _collection;
-    final DB _db;
-    static final Logger LOGGER = Logger.getLogger( "com.mongo.DECODING" );
 }
+