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  * Copyright 2010-2011 the original author or authors.
  * Licensed 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
import  org.springframework.dao.DataAccessException;
An interface used by MongoTemplate for processing documents returned from a MongoDB query on a per-document basis. Implementations of this interface perform the actual work of prcoessing each document but don't need to worry about exception handling. s will be caught and translated by the calling MongoTemplate An DocumentCallbackHandler is typically stateful: It keeps the result state within the object, to be available later for later inspection.

Mark Pollack
public interface DocumentCallbackHandler {
	void processDocument(DBObject dbObjectthrows MongoException, DataAccessException;
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