/**
 * 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.name;

import static com.google.inject.internal.Preconditions.checkNotNull;
import java.io.Serializable;
import java.lang.annotation.Annotation;

class NamedImpl implements Named, Serializable {

  private final String value;

  public NamedImpl(String value) {
    this.value = checkNotNull(value, "name");
  }

  public String value() {
    return this.value;
  }

  public int hashCode() {
    // This is specified in java.lang.Annotation.
    return (127 * "value".hashCode()) ^ value.hashCode();
  }

  public boolean equals(Object o) {
    if (!(o instanceof Named)) {
      return false;
    }

    Named other = (Named) o;
    return value.equals(other.value());
  }

  public String toString() {
    return "@" + Named.class.getName() + "(value=" + value + ")";
  }

  public Class<? extends Annotation> annotationType() {
    return Named.class;
  }

  private static final long serialVersionUID = 0;
}

@@ -1170,29 +1170,17 @@
 if (
-!(o instanceof Named)
+o == this
 ) %7B%0A
@@ -1196,12 +1196,11 @@
 urn 
-fals
+tru
 e;%0A 
@@ -1208,38 +1208,40 @@
   %7D%0A
-%0A
     
-Named other = (
+if (o instanceof 
 Named) 
-o;%0A
+%7B%0A  
     
@@ -1264,22 +1264,52 @@
 als(
-other.value())
+((Named) o).value());%0A    %7D%0A    return false
 ;%0A  

Improve performance of @Named equals when dealing with large numbers of default components