add callback so DB operations use same connection across multiple operations

spring-datastore-document-core/src/main/java/org/springframework/datastore/document/analytics/ControllerCounter.java

@@ -0,0 +1,41 @@
+package org.springframework.datastore.document.analytics;
+
+import java.util.Date;
+import java.util.Map;
+
+public class ControllerCounter {
+	
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public int getCount() {
+		return count;
+	}
+
+	public void setCount(int count) {
+		this.count = count;
+	}
+
+	public Map<String, Integer> getMethods() {
+		return methods;
+	}
+	
+	
+
+	public void setMethods(Map<String, Integer> methods) {
+		this.methods = methods;
+	}
+
+	private String name;
+	
+	private int count;
+	
+	private Map<String, Integer> methods;
+	
+	
+}

spring-datastore-mongodb/src/main/java/org/springframework/datastore/document/mongodb/DBCallback.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010 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
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.datastore.document.mongodb;
+
+import org.springframework.dao.DataAccessException;
+
+import com.mongodb.DB;
+import com.mongodb.DBCollection;
+import com.mongodb.MongoException;
+
+public interface DBCallback<T> {
+
+	T doInDB(DB db) throws MongoException, DataAccessException;
+	
+}