core/src/com/google/inject/Stage.java

/**
 * Copyright (C) 2006 Google Inc.
 *
 * 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.inject;

/**
 * The stage we're running in.
 *
 * @author crazybob@google.com (Bob Lee)
 */
public enum Stage {

  /**
   * We're running in a tool (an IDE plugin for example). We need binding meta data but not a
   * functioning Injector. Do not inject members of instances. Do not load eager singletons. Do as
   * little as possible so our tools run nice and snappy. Injectors created in this stage cannot
   * be used to satisfy injections.
   */
  TOOL,

  /**
   * We want fast startup times at the expense of runtime performance and some up front error
   * checking.
   */
  DEVELOPMENT,

  /**
   * We want to catch errors as early as possible and take performance hits up front.
   */
  PRODUCTION
}