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Re: Error when open SessionFacoty in Eclipse's Hibernate Perspective
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created by <a href="https://community.jboss.org/people/spring.liao">spring liao</a> in <i>JBoss Tools</i> - <a href="https://community.jboss.org/message/762550#762550">View the full discussion</a>
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<div class="jive-rendered-content"><p>/*</p><p> *  Copyright 2010, 2011 Christopher Pheby</p><p> *</p><p> *  Licensed under the Apache License, Version 2.0 (the "License");</p><p> *  you may not use this file except in compliance with the License.</p><p> *  You may obtain a copy of the License at</p><p> *</p><p><span> *      </span><a class="jive-link-external-small" href="http://www.apache.org/licenses/LICENSE-2.0" target="_blank">http://www.apache.org/licenses/LICENSE-2.0</a></p><p> *</p><p> *  Unless required by applicable law or agreed to in writing, software</p><p> *  distributed under the License is distributed on an "AS IS" BASIS,</p><p> *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</p><p> *  See the License for the specific language governing permissions and</p><p> *  limitations under the License.</p><p> */</p><p>package org.jadira.usertype.spi.shared;</p><p>import org.hibernate.type.SingleColumnType;</p><p>public interface ColumnMapper<T, J> {</p><p><strong>      SingleColumnType<? super J> getHibernateType(); </strong></p><p>      int getSqlType();</p><p>      T fromNonNullValue(J value);</p><p>      T fromNonNullString(String s);</p><p>      J toNonNullValue(T value);</p><p>      String toNonNullString(T value);</p><p>      Class<T> returnedClass();</p><p>      Class<J> jdbcClass();</p><p>}</p><p>All I know is the usertype author change above getHibernateType() return type:</p><p>error version:<strong>AbstractStandardBasicType</strong><? super J> getHibernateType();</p><p>fixed version:<strong>SingleColumnType</strong><? super J> getHibernateType();</p><p>This interface has few sub-interfaces and many implementing classes but I don't know they also changed or not.</p><p>The author commented on Jira : "<span style="color: #000000; font-family: Arial, FreeSans, Helvetica, sans-serif; background-color: #f0f0f0;">Resolved by changing interface specification. Still not clear why this happens though.</span>"</p><p>Maybe someone can  help to dispel the authour's doubts.</p></div>
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