DATAMONGO-738 - Allow to pass collectionName along with entityClass as parameter to update methods in MongoTemplate.

Added appropriate overloaded methods to MongoOperations and MongoTemplate. Applied pull request from Chuong Ngo <chuong.h.ngo.ctr@mail.mil>.
Original pull request: #57.

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoOperations.java

@@ -49,6 +49,7 @@ import com.mongodb.WriteResult;
  * @author Mark Pollack
  * @author Oliver Gierke
  * @author Tobias Trelle
+ * @author Chuong Ngo
  */
 public interface MongoOperations {
 
@@ -703,6 +704,18 @@ public interface MongoOperations {
 	 */
 	WriteResult upsert(Query query, Update update, String collectionName);
 
+	/**
+	 * Performs an upsert. If no document is found that matches the query, a new document is created and inserted by
+	 * combining the query document and the update document.
+	 * 
+	 * @param query the query document that specifies the criteria used to select a record to be upserted
+	 * @param update the update document that contains the updated object or $ operators to manipulate the existing object
+	 * @param entityClass class of the pojo to be operated on
+	 * @param collectionName name of the collection to update the object in
+	 * @return the WriteResult which lets you access the results of the previous write.
+	 */
+	WriteResult upsert(Query query, Update update, Class<?> entityClass, String collectionName);
+
 	/**
 	 * Updates the first object that is found in the collection of the entity class that matches the query document with
 	 * the provided update document.
@@ -727,6 +740,19 @@ public interface MongoOperations {
 	 */
 	WriteResult updateFirst(Query query, Update update, String collectionName);
 
+	/**
+	 * Updates the first object that is found in the specified collection that matches the query document criteria with
+	 * the provided updated document.
+	 * 
+	 * @param query the query document that specifies the criteria used to select a record to be updated
+	 * @param update the update document that contains the updated object or $ operators to manipulate the existing
+	 *          object.
+	 * @param entityClass class of the pojo to be operated on
+	 * @param collectionName name of the collection to update the object in
+	 * @return the WriteResult which lets you access the results of the previous write.
+	 */
+	WriteResult updateFirst(Query query, Update update, Class<?> entityClass, String collectionName);
+
 	/**
 	 * Updates all objects that are found in the collection for the entity class that matches the query document criteria
 	 * with the provided updated document.
@@ -751,6 +777,19 @@ public interface MongoOperations {
 	 */
 	WriteResult updateMulti(Query query, Update update, String collectionName);
 
+	/**
+	 * Updates all objects that are found in the collection for the entity class that matches the query document criteria
+	 * with the provided updated document.
+	 * 
+	 * @param query the query document that specifies the criteria used to select a record to be updated
+	 * @param update the update document that contains the updated object or $ operators to manipulate the existing
+	 *          object.
+	 * @param entityClass class of the pojo to be operated on
+	 * @param collectionName name of the collection to update the object in
+	 * @return the WriteResult which lets you access the results of the previous write.
+	 */
+	WriteResult updateMulti(final Query query, final Update update, Class<?> entityClass, String collectionName);
+
 	/**
 	 * Remove the given object from the collection by id.
 	 * 

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoTemplate.java

@@ -123,6 +123,7 @@ import com.mongodb.util.JSONParseException;
  * @author Tobias Trelle
  * @author Sebastian Herold
  * @author Thomas Darimont
+ * @author Chuong Ngo
  */
 public class MongoTemplate implements MongoOperations, ApplicationContextAware {
 
@@ -928,6 +929,10 @@ public class MongoTemplate implements MongoOperations, ApplicationContextAware {
 		return doUpdate(collectionName, query, update, null, true, false);
 	}
 
+	public WriteResult upsert(Query query, Update update, Class<?> entityClass, String collectionName) {
+		return doUpdate(collectionName, query, update, entityClass, true, false);
+	}
+
 	public WriteResult updateFirst(Query query, Update update, Class<?> entityClass) {
 		return doUpdate(determineCollectionName(entityClass), query, update, entityClass, false, false);
 	}
@@ -936,6 +941,10 @@ public class MongoTemplate implements MongoOperations, ApplicationContextAware {
 		return doUpdate(collectionName, query, update, null, false, false);
 	}
 
+	public WriteResult updateFirst(Query query, Update update, Class<?> entityClass, String collectionName) {
+		return doUpdate(collectionName, query, update, entityClass, false, false);
+	}
+
 	public WriteResult updateMulti(Query query, Update update, Class<?> entityClass) {
 		return doUpdate(determineCollectionName(entityClass), query, update, entityClass, false, true);
 	}
@@ -944,6 +953,10 @@ public class MongoTemplate implements MongoOperations, ApplicationContextAware {
 		return doUpdate(collectionName, query, update, null, false, true);
 	}
 
+	public WriteResult updateMulti(final Query query, final Update update, Class<?> entityClass, String collectionName) {
+		return doUpdate(collectionName, query, update, entityClass, false, true);
+	}
+
 	protected WriteResult doUpdate(final String collectionName, final Query query, final Update update,
 			final Class<?> entityClass, final boolean upsert, final boolean multi) {