Renamed DBHolder to DbHolder and reduced its scope to package visibility.

spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/DbHolder.java

@@ -8,17 +8,17 @@ import org.springframework.util.Assert;
 
 import com.mongodb.DB;
 
-public class DBHolder extends ResourceHolderSupport {
+class DbHolder extends ResourceHolderSupport {
 	private static final Object DEFAULT_KEY = new Object();
 
 	private final Map<Object, DB> dbMap = new ConcurrentHashMap<Object, DB>();
 
 
-	public DBHolder(DB db) {
+	public DbHolder(DB db) {
 		addDB(db);
 	}
 
-	public DBHolder(Object key, DB db) {
+	public DbHolder(Object key, DB db) {
 		addDB(key, db);
 	}
 

spring-data-mongodb/src/main/java/org/springframework/data/document/mongodb/MongoDbUtils.java

@@ -74,7 +74,7 @@ abstract class MongoDbUtils {
 	public static DB doGetDB(Mongo mongo, String databaseName, String username, char[] password, boolean allowCreate) {
 		Assert.notNull(mongo, "No Mongo instance specified");
 
-		DBHolder dbHolder = (DBHolder) TransactionSynchronizationManager.getResource(mongo);
+		DbHolder dbHolder = (DbHolder) TransactionSynchronizationManager.getResource(mongo);
 		if (dbHolder != null && !dbHolder.isEmpty()) {
 			// pre-bound Mongo DB 
 			DB db = null;
@@ -106,9 +106,9 @@ abstract class MongoDbUtils {
 		if (TransactionSynchronizationManager.isSynchronizationActive()) {
 			// We're within a Spring-managed transaction, possibly from JtaTransactionManager.
 			LOGGER.debug("Registering Spring transaction synchronization for new Hibernate Session");
-			DBHolder holderToUse = dbHolder;
+			DbHolder holderToUse = dbHolder;
 			if (holderToUse == null) {
-				holderToUse = new DBHolder(db);
+				holderToUse = new DbHolder(db);
 			}
 			else {
 				holderToUse.addDB(db);
@@ -142,8 +142,8 @@ abstract class MongoDbUtils {
 		if (mongo == null) {
 			return false;
 		}
-		DBHolder dbHolder =
-				(DBHolder) TransactionSynchronizationManager.getResource(mongo);
+		DbHolder dbHolder =
+				(DbHolder) TransactionSynchronizationManager.getResource(mongo);
 		return (dbHolder != null && dbHolder.containsDB(db));
 	}