Java example source code file (ConstructionProxy.java)

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Java - Java tags/keywords

constructionproxy, constructor, immutablemap, injectionpoint, invocationtargetexception, reflection, util

The ConstructionProxy.java Java example source code

/**
 * 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.internal;

import com.google.common.collect.ImmutableMap;
import com.google.inject.spi.InjectionPoint;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.List;

/**
 * Proxies calls to a {@link java.lang.reflect.Constructor} for a class
 * {@code T}.
 *
 * @author crazybob@google.com (Bob Lee)
 */
interface ConstructionProxy<T> {

  /**
   * Constructs an instance of {@code T} for the given arguments.
   */
  T newInstance(Object... arguments) throws InvocationTargetException;

  /**
   * Returns the injection point for this constructor.
   */
  InjectionPoint getInjectionPoint();

  /**
   * Returns the injected constructor. If the injected constructor is synthetic (such as generated
   * code for method interception), the natural constructor is returned.
   */
  Constructor<T> getConstructor();

  /*if[AOP]*/
  /**
   * Returns the interceptors applied to each method, in order of invocation.
   */
  ImmutableMap<Method, List getMethodInterceptors();
  /*end[AOP]*/
}