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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.hibernate;
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import java.io.Serializable;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Types;
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import java.util.UUID;
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import org.apache.log4j.Logger;
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import org.hibernate.HibernateException;
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import org.hibernate.engine.spi.SharedSessionContractImplementor;
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import org.hibernate.type.StandardBasicTypes;
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import org.hibernate.usertype.UserType;
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import org.jadira.usertype.dateandtime.shared.spi.AbstractUserType;
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/**
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* @author a.mueller
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* @created 22.07.2008
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* @version 2.0
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*/
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public class UUIDUserType extends AbstractUserType implements UserType {
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static final long serialVersionUID = -3959049831344758708L;
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(UUIDUserType.class);
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private static final int[] SQL_TYPES = { Types.VARCHAR };
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/* (non-Javadoc)
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* @see org.hibernate.usertype.UserType#deepCopy(java.lang.Object)
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*/
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@Override
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public Object deepCopy(Object o) throws HibernateException {
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if (o == null) {
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return null;
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}
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UUID uuid = (UUID) o;
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try {
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return UUID.fromString(uuid.toString());
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} catch (IllegalArgumentException e) {
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throw new HibernateException(e);
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}
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}
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/* (non-Javadoc)
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* @see org.hibernate.usertype.UserType#disassemble(java.lang.Object)
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*/
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@Override
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public Serializable disassemble(Object value) throws HibernateException {
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if(value == null) {
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return null;
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} else {
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UUID uuid = (UUID) value;
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return uuid.toString();
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}
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}
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@Override
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public UUID nullSafeGet(ResultSet rs, String[] names, SharedSessionContractImplementor session, Object owner)
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throws HibernateException, SQLException {
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String val = (String) StandardBasicTypes.STRING.nullSafeGet(rs, names, session, owner);
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if(val == null) {
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return null;
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} else {
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try {
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return UUID.fromString(val);
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} catch (IllegalArgumentException e) {
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throw new HibernateException(e);
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}
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}
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}
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@Override
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public void nullSafeSet(PreparedStatement statement, Object value, int index, SharedSessionContractImplementor session)
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throws HibernateException, SQLException {
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if (value == null) {
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// statement.setNull(index, Types.VARCHAR); old version
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StandardBasicTypes.STRING.nullSafeSet(statement, value, index, session);
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} else {
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UUID uuid = (UUID)value;
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// statement.setString(index, uuid.toString()); //old version
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StandardBasicTypes.STRING.nullSafeSet(statement, uuid.toString(), index, session);
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}
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}
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/* (non-Javadoc)
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* @see org.jadira.usertype.dateandtime.shared.spi.AbstractSingleColumnUserType#returnedClass()
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*/
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@Override
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public Class returnedClass() {
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return UUID.class;
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}
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@Override
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public int[] sqlTypes() {
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return SQL_TYPES;
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}
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}
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