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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.internal;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.inject.Binding;
import com.google.inject.Key;
import com.google.inject.Scope;
import com.google.inject.TypeLiteral;
import com.google.inject.spi.ProvisionListenerBinding;
import com.google.inject.spi.ScopeBinding;
import com.google.inject.spi.TypeConverterBinding;
import com.google.inject.spi.TypeListenerBinding;

import java.lang.annotation.Annotation;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * The inheritable data within an injector. This class is intended to allow parent and local
 * injector data to be accessed as a unit.
 *
 * @author [email protected] (Jesse Wilson)
 */
interface State {

  static final State NONE = new State() {
    public State parent() {
      throw new UnsupportedOperationException();
    }

    public  BindingImpl getExplicitBinding(Key key) {
      return null;
    }

    public Map, Binding> getExplicitBindingsThisLevel() {
      throw new UnsupportedOperationException();
    }

    public void putBinding(Key key, BindingImpl binding) {
      throw new UnsupportedOperationException();
    }

    public ScopeBinding getScopeBinding(Class scopingAnnotation) {
      return null;
    }

    public void putScopeBinding(Class annotationType, ScopeBinding scope) {
      throw new UnsupportedOperationException();
    }

    public void addConverter(TypeConverterBinding typeConverterBinding) {
      throw new UnsupportedOperationException();
    }

    public TypeConverterBinding getConverter(String stringValue, TypeLiteral type, Errors errors,
        Object source) {
      throw new UnsupportedOperationException();
    }

    public Iterable getConvertersThisLevel() {
      return ImmutableSet.of();
    }

    /*if[AOP]*/
    public void addMethodAspect(MethodAspect methodAspect) {
      throw new UnsupportedOperationException();
    }

    public ImmutableList getMethodAspects() {
      return ImmutableList.of();
    }
    /*end[AOP]*/

    public void addTypeListener(TypeListenerBinding typeListenerBinding) {
      throw new UnsupportedOperationException();
    }

    public List getTypeListenerBindings() {
      return ImmutableList.of();
    }
    
    public void addProvisionListener(ProvisionListenerBinding provisionListenerBinding) {
      throw new UnsupportedOperationException();
    }
    
    public List getProvisionListenerBindings() {
      return ImmutableList.of();
    }

    public void blacklist(Key key, Object source) {
    }

    public boolean isBlacklisted(Key key) {
      return true;
    }
    
    public Set