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Java example source code file (CheckedProvides.java)

This example Java source code file (CheckedProvides.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

annotation, checkedprovider, checkedprovides, class, documented, retention, target

The CheckedProvides.java Java example source code

/**
 * Copyright (C) 2010 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.throwingproviders;

import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Annotates methods of a {@link com.google.inject.Module} to create a
 * {@link CheckedProvider} method binding that can throw exceptions. The
 * method's return type is bound to a {@link CheckedProvider} that can be
 * injected. Guice will pass dependencies to the method as parameters. Install
 * {@literal @}CheckedProvides methods by using
 * {@link ThrowingProviderBinder#forModule(com.google.inject.Module)} on the
 * module where the methods are declared.
 * 
 * @author sameb@google.com (Sam Berlin)
 * @since 3.0
 */
@Documented @Target(METHOD) @Retention(RUNTIME)
public @interface CheckedProvides {
  
  /**
   * The interface that provides this value, a subinterface of {@link CheckedProvider}.
   */
  Class<? extends CheckedProvider> value();

  /**
   * Whether exceptions should be put into the Guice scope.
   * Default behavior is that exceptions are scoped.
   *
   * @since 4.0
   */
  boolean scopeExceptions() default true;  
}

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