package org.apache.commons.ognl.enhance;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  
  /**
   * Implementation of {@link LocalReference}.
   */
  public class LocalReferenceImpl
      implements LocalReference
  {
  
      private final String name;
  
      private final Class<?> type;
  
      private final String expression;
  
      public LocalReferenceImpl( String name, String expression, Class<?> type )
      {
          this.name = name;
          this.type = type;
          this.expression = expression;
      }
  
      /**
       * {@inheritDoc}
       */
      public String getName()
      {
          return name;
      }
  
      /**
       * {@inheritDoc}
       */
      public String getExpression()
      {
          return expression;
      }
  
      /**
       * {@inheritDoc}
       */
      public Class<?> getType()
      {
          return type;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public boolean equals( Object o )
      {
          if ( this == o )
          {
              return true;
          }
          if ( o == null || getClass() != o.getClass() )
          {
              return false;
          }
  
          LocalReferenceImpl that = (LocalReferenceImpl) o;
  
          if ( expression != null ? !expression.equals( that.expression ) : that.expression != null )
          {
              return false;
          }
          if ( name != null ? !name.equals( that.name ) : that.name != null )
          {
              return false;
          }
          if ( type != null ? !type.equals( that.type ) : that.type != null )
          {
              return false;
          }
  
          return true;
      }
  
      /**
      * {@inheritDoc}
      */
     @Override
     public int hashCode()
     {
         int result;
         result = ( name != null ? name.hashCode() : 0 );
         result = 31 * result + ( type != null ? type.hashCode() : 0 );
         result = 31 * result + ( expression != null ? expression.hashCode() : 0 );
         return result;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String toString()
     {
         return "LocalReferenceImpl[" + "_name='" + name + '\'' + '\n' + ", _type=" + type + '\n' + ", _expression='"
             + expression + '\'' + '\n' + ']';
     }
 }