DefaultDatastoreConfigServlet.java

/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 * 
 * 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 com.google.apphosting.tests.usercode.testservlets;

import com.google.appengine.api.datastore.DatastoreServiceFactory;

import java.io.IOException;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;

/**
 * A servlet that prints out the default datastore config currently
 * registered with the DatastoreServiceFactory.
 */
public class DefaultDatastoreConfigServlet extends HttpServlet {
  @Override
  protected void doGet(
      HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse)
      throws ServletException, IOException {
    httpServletResponse
        .getWriter()
        .write(
            DatastoreServiceFactory.getDefaultDatastoreConfig()
                .getImplicitTransactionManagementPolicy()
                .toString());
  }
}