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/**
* Copyright (C) 2008 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.spi;
import com.google.inject.Binding;
import com.google.inject.Key;
/**
* A binding to a linked key. The other key's binding is used to resolve injections.
*
* @author jessewilson@google.com (Jesse Wilson)
* @since 2.0
*/
public interface LinkedKeyBinding<T> extends Binding<T> {
/**
* Returns the linked key used to resolve injections. That binding can be retrieved from an
* injector using {@link com.google.inject.Injector#getBinding(Key) Injector.getBinding(key)}.
*/
Key<? extends T> getLinkedKey();
}