package org.korsakow.domain.mapper.output;
import javax.xml.xpath.XPathException;
import javax.xml.xpath.XPathExpressionException;
import org.dsrg.soenea.domain.MapperException;
import org.dsrg.soenea.domain.mapper.GenericOutputMapper;
import org.korsakow.domain.Image;
import org.korsakow.domain.interf.IKeyword;
import org.korsakow.domain.mapper.exception.LostUpdateException;
import org.korsakow.services.tdg.ImageTDG;
import org.korsakow.services.tdg.KeywordTDG;
public class ImageOutputMapper implements GenericOutputMapper<Long, Image>{
public void delete(Image a) throws MapperException {
try{
if (0 == ImageTDG.delete(a.getId(), a.getVersion()))
throw new MapperException(String.format("Record not found: id=%d, version=%d", a.getId(), a.getVersion()));
KeywordTDG.deleteByObject(a.getId());
} catch (XPathExpressionException e) {
throw new MapperException(e);
}
}
public void insert(Image a) throws MapperException {
try {
if(a.getId()==0){
ImageTDG.insert(a.getVersion(), a.getName(), a.getFilename(), a.getDuration());
} else {
ImageTDG.insert(a.getId(), a.getVersion(), a.getName(), a.getFilename(), a.getDuration());
}
for (IKeyword keyword : a.getKeywords())
KeywordOutputMapper.insert(a.getId(), keyword);
} catch (XPathException e) {
throw new MapperException(e);
}
}
public void update(Image a) throws MapperException {
try{
if(ImageTDG.update(a.getId(), a.getVersion(), a.getName(), a.getFilename(), a.getDuration()) == 0) {
throw new LostUpdateException("Your version is out of date. No records were altered.");
}
for (IKeyword keyword : a.getKeywords())
keyword.getValue(); // force proxies;
KeywordTDG.deleteByObject(a.getId());
for (IKeyword keyword : a.getKeywords())
KeywordOutputMapper.insert(a.getId(), keyword);
} catch (XPathExpressionException e) {
throw new MapperException(e);
}
}
}