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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 shaded.shaded.com.google.inject.internal;

import shaded.shaded.com.google.common.base.MoreObjects;
import shaded.shaded.com.google.common.collect.ImmutableSet;
import shaded.shaded.com.google.inject.Binder;
import shaded.shaded.com.google.inject.Injector;
import shaded.shaded.com.google.inject.Key;
import shaded.shaded.com.google.inject.spi.BindingTargetVisitor;
import shaded.shaded.com.google.inject.spi.Dependency;
import shaded.shaded.com.google.inject.spi.ExposedBinding;
import shaded.shaded.com.google.inject.spi.PrivateElements;
import java.util.Set;

final class ExposedBindingImpl extends BindingImpl implements ExposedBinding {

  private final PrivateElements privateElements;

  ExposedBindingImpl(
      InjectorImpl injector,
      Object source,
      Key key,
      InternalFactory factory,
      PrivateElements privateElements) {
    super(injector, key, source, factory, Scoping.UNSCOPED);
    this.privateElements = privateElements;
  }

  @Override
  public  V acceptTargetVisitor(BindingTargetVisitor visitor) {
    return visitor.visit(this);
  }

  @Override
  public Set> getDependencies() {
    return ImmutableSet.>of(Dependency.get(Key.get(Injector.class)));
  }

  @Override
  public PrivateElements getPrivateElements() {
    return privateElements;
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(ExposedBinding.class)
        .add("key", getKey())
        .add("source", getSource())
        .add("privateElements", privateElements)
        .toString();
  }

  @Override
  public void applyTo(Binder binder) {
    throw new UnsupportedOperationException("This element represents a synthetic binding.");
  }

  // Purposely does not override equals/hashcode, because exposed bindings are only equal to
  // themselves right now -- that is, there cannot be "duplicate" exposed bindings.
}