package org.apache.ojb.broker.core;

 /* Copyright 2003-2005 The Apache Software Foundation

  *

  * 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.

  */

 import java.io.Serializable;

 import org.apache.ojb.broker.metadata.JdbcType;

 import org.apache.commons.lang.builder.EqualsBuilder;

 import org.apache.commons.lang.builder.HashCodeBuilder;

 public final class ValueContainer implements Serializable

 {

     private static final long serialVersionUID = 3689069556052340793L;

     private final JdbcType m_jdbcType;

     private final Object m_value;

     private int hc;

     public ValueContainer(Object value, JdbcType jdbcType)

     {

         this.m_jdbcType = jdbcType;

         this.m_value = value;

     }

     public JdbcType getJdbcType()

     {

         return m_jdbcType;

     }

     public Object getValue()

     {

         return m_value;

     }

     public boolean equals(Object obj)

     {

         if(obj == this) return true;

         boolean result = false;

         if(obj instanceof ValueContainer)

         {

             final ValueContainer container = (ValueContainer) obj;

             // if jdbcType was null, we can't compare

             result = this.m_jdbcType != null ? this.m_jdbcType.equals(container.getJdbcType()) : false;

             if(result)

             {

                 result = new EqualsBuilder().append(this.m_value, container.getValue()).isEquals();

             }

         }

         return result;

     }

     public int hashCode()

     {

 //        int hash =  m_value != null ? m_value.hashCode() : 0;

 //        hash += m_jdbcType != null ? m_jdbcType.hashCode() : 0;

 //        return hash;

         if(hc == 0) hc = new HashCodeBuilder().append(m_jdbcType).append(m_value).toHashCode();

         return hc;

     }

     public String toString()

     {

         return this.getClass().getName() + "[jdbcType: "

         + m_jdbcType

         + ", value: " + m_value + "]";

     }

 }