Re: svn commit: r492225 - in /incubator/openjpa/trunk: openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/ openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/schema/ openjpa-jdbc/src/main/resources/org/apache/openjpa/jdbc/meta/ openjpa-persistence-jdb...

[Abe White <aw...@bea.com>]

I don't agree with this implementation.  It doesn't leave any room  
for customization through MappingDefaults, it ties the ClassMapping  
to the XMLSchemaParser (?!), and it's totally different than our  
mapping of indexes, foreign keys, and primary keys, the other  
supported constraint types.

> +        mapUniqueConstraints();
> +    }
> +
> +    /**
> +     * Adds unique constraints to the mapped table.
> +     *
> +     */
> +    void mapUniqueConstraints() {
> +        Log log = getRepository().getLog();
> +        Collection uniqueInfos = _info.getUniqueConstraints();
> +        if (uniqueInfos == null || uniqueInfos.isEmpty())
> +            return;
> +        Iterator iter = uniqueInfos.iterator();
> +        Table table = getTable();
> +        int i = 1;
> +        while (iter.hasNext()) {
> +            XMLSchemaParser.UniqueInfo uniqueInfo =
> +                (XMLSchemaParser.UniqueInfo)iter.next();
> +            if (uniqueInfo.cols == null || uniqueInfo.cols.isEmpty())
> +                continue;
> +            String constraintName = table.getName() + "_UNIQUE_" + i;
> +            i++;
> +            Unique uniqueConstraint = table.addUnique 
> (constraintName);
> +            Iterator uniqueColumnNames = uniqueInfo.cols.iterator();
> +            while (uniqueColumnNames.hasNext()) {
> +                String uniqueColumnName = (String) 
> uniqueColumnNames.next();
> +                Column uniqueColumn = table.getColumn 
> (uniqueColumnName);
> +                if (uniqueColumn != null) {
> +                    uniqueConstraint.addColumn(uniqueColumn);
> +                } else {
> +                    table.removeUnique(uniqueConstraint);
> +                    if (log.isWarnEnabled())
> +                        log.warn(_loc.get("missing-unique-column",  
> this,
> +                            table.getName(), uniqueColumnName));
> +                    break;
> +                }
>              }
>          }
>      }
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