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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 org.apache.log4j.Logger;
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import org.hibernate.HibernateException;
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import org.hibernate.engine.spi.SessionImplementor;
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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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import eu.etaxonomy.cdm.model.molecular.SingleReadAlignment.Shift;
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/**
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* Hibernate user type for arrays of int(eger).
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* @author a.mueller
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* @since 03.12.2014
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*/
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public class ShiftUserType extends AbstractUserType implements UserType {
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private static final long serialVersionUID = -2507496252811101383L;
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(ShiftUserType.class);
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private static final String SHIFT_SEPARATOR = ";";
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private static final String ATTR_SEPARATOR = ",";
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private static final int[] SQL_TYPES = { Types.CLOB };
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@Override
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public Object deepCopy(Object o) throws HibernateException {
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return o; //do we need more?
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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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Shift[] ints = (Shift[]) value;
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String result = "";
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for (Shift shift : ints){
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if (shift != null){ //null should never happen, but to be on the safe side
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result += SHIFT_SEPARATOR + String.valueOf(shift.position);
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result += ATTR_SEPARATOR + String.valueOf(shift.shift);
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}
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}
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if (result.length() > 0){
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result = result.substring(1);
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}
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return result;
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}
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}
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@Override
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public Shift[] nullSafeGet(ResultSet rs, String[] names, SessionImplementor 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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Shift[] result = nullSafeGet(val);
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return result;
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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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protected Shift[] nullSafeGet(String val) {
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if (val.length() == 0){
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return new Shift[0];
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}else{
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String[] splits = val.split(SHIFT_SEPARATOR);
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Shift[] result = new Shift[splits.length];
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for (int i = 0; i< splits.length ; i++){
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result[i] = new Shift();
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String[] split = splits[i].split(ATTR_SEPARATOR);
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result[i].position = Integer.valueOf(split[0]);
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result[i].shift = Integer.valueOf(split[1]);
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}
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return result;
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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, SessionImplementor session)
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throws HibernateException, SQLException {
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if (value == null) {
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StandardBasicTypes.STRING.nullSafeSet(statement, value, index, session);
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} else {
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String str = (String)disassemble(value);
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StandardBasicTypes.STRING.nullSafeSet(statement, str, index, session);
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}
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}
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@Override
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public Class<?> returnedClass() {
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return Shift[].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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