Package org.apache.openjpa.jdbc.meta

Examples of org.apache.openjpa.jdbc.meta.ClassMappingInfo

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        String val = attrs.getValue("strategy");
        if (val == null)
            return true;

        ClassMapping cm = (ClassMapping) currentElement();
        ClassMappingInfo info = cm.getMappingInfo();
        switch (Enum.valueOf(InheritanceType.class, val)) {
            case SINGLE_TABLE:
                info.setHierarchyStrategy(FlatClassStrategy.ALIAS);
                break;
            case JOINED:
                info.setHierarchyStrategy(VerticalClassStrategy.ALIAS);
                break;
            case TABLE_PER_CLASS:
                info.setHierarchyStrategy(FullClassStrategy.ALIAS);
                break;
        }
        return true;
    }
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    private void endUniqueConstraint() {
        Unique unique = (Unique) popElement();
        Object ctx = currentElement();
        DBIdentifier tableName = DBIdentifier.newTable("?");
        if (ctx instanceof ClassMapping) {
          ClassMappingInfo info = ((ClassMapping) ctx).getMappingInfo();
          tableName = (_secondaryTable == null)
            ? info.getTableIdentifier() : DBIdentifier.newTable(_secondaryTable, delimit());
          info.addUnique(tableName, unique);
        } else if (ctx instanceof FieldMapping) {// JoinTable
          FieldMappingInfo info = ((FieldMapping)ctx).getMappingInfo();
          info.addJoinTableUnique(unique);
        } else if (ctx instanceof SequenceMapping) {
          SequenceMapping seq = (SequenceMapping)ctx;
          unique.setTableIdentifier(seq.getTableIdentifier());
          Column[] uniqueColumns = unique.getColumns();
          DBIdentifier[] columnNames = new DBIdentifier[uniqueColumns.length];
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    /**
     * Set the secondary table information back to the owning class mapping.
     */
    private void endSecondaryTable() {
        ClassMapping cm = (ClassMapping) currentElement();
        ClassMappingInfo info = cm.getMappingInfo();
        info.setSecondaryTableJoinColumns(DBIdentifier.newTable(_secondaryTable, delimit()), _joinCols);
        clearSecondaryTableInfo();
    }
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        String val = attrs.getValue("strategy");
        if (val == null)
            return true;

        ClassMapping cm = (ClassMapping) currentElement();
        ClassMappingInfo info = cm.getMappingInfo();
        switch (Enum.valueOf(InheritanceType.class, val)) {
            case SINGLE_TABLE:
                info.setHierarchyStrategy(FlatClassStrategy.ALIAS);
                break;
            case JOINED:
                info.setHierarchyStrategy(VerticalClassStrategy.ALIAS);
                break;
            case TABLE_PER_CLASS:
                info.setHierarchyStrategy(FullClassStrategy.ALIAS);
                break;
        }
        return true;
    }
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    private void endUniqueConstraint() {
        Unique unique = (Unique) popElement();
        Object ctx = currentElement();
        DBIdentifier tableName = DBIdentifier.newTable("?");
        if (ctx instanceof ClassMapping) {
          ClassMappingInfo info = ((ClassMapping) ctx).getMappingInfo();
          tableName = (_secondaryTable == null)
            ? info.getTableIdentifier() : DBIdentifier.newTable(_secondaryTable, delimit());
          info.addUnique(tableName, unique);
        } else if (ctx instanceof FieldMapping) {// JoinTable
          FieldMappingInfo info = ((FieldMapping)ctx).getMappingInfo();
          info.addJoinTableUnique(unique);
        } else if (ctx instanceof SequenceMapping) {
          SequenceMapping seq = (SequenceMapping)ctx;
          unique.setTableIdentifier(seq.getTableIdentifier());
          Column[] uniqueColumns = unique.getColumns();
          DBIdentifier[] columnNames = new DBIdentifier[uniqueColumns.length];
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    /**
     * Parse @SecondaryTable(s).
     */
    private void parseSecondaryTables(ClassMapping cm,
        SecondaryTable... tables) {
        ClassMappingInfo info = cm.getMappingInfo();

        List<Column> joins = null;
        for (SecondaryTable table : tables) {
            DBIdentifier sName = DBIdentifier.newTable(table.name(), delimit());
            if (DBIdentifier.isEmpty(sName))
                throw new MetaDataException(_loc.get("second-name", cm));
            if (!StringUtils.isEmpty(table.schema())) {
                DBIdentifier sSchema = DBIdentifier.newSchema(table.schema(), delimit());
                sName = QualifiedDBIdentifier.newPath(sSchema, sName);
            }
            if (table.pkJoinColumns().length > 0) {
                joins = new ArrayList<Column>(table.pkJoinColumns().length);
                for (PrimaryKeyJoinColumn join : table.pkJoinColumns())
                    joins.add(newColumn(join));
                info.setSecondaryTableJoinColumns(sName, joins);
            } else {
              info.addSecondaryTable(sName);
            }
            addUniqueConstraints(sName.getName(), cm, info, table.uniqueConstraints());
        }
    }
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    /**
     * Parse @Inheritance.
     */
    private void parseInheritance(ClassMapping cm, Inheritance inherit) {
        ClassMappingInfo info = cm.getMappingInfo();
        switch (inherit.strategy()) {
            case SINGLE_TABLE:
                info.setHierarchyStrategy(FlatClassStrategy.ALIAS);
                break;
            case JOINED:
                info.setHierarchyStrategy(VerticalClassStrategy.ALIAS);
                break;
            case TABLE_PER_CLASS:
                info.setHierarchyStrategy(FullClassStrategy.ALIAS);
                break;
            default:
                throw new InternalException();
        }
    }
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    @Override
    protected void serializeClassMappingContent(ClassMetaData mapping)
        throws SAXException {
        ClassMapping cls = (ClassMapping) mapping;
        ClassMappingInfo info = cls.getMappingInfo();
        serializeTable(info.getTableName(), "table", Strings
            .getClassName(mapping.getDescribedType()), null,
            info.getUniques(info.getTableName()));
        for (String second : info.getSecondaryTableNames())
            serializeTable(second, "secondary-table", null, info,
                    info.getUniques(second));
        serializeColumns(info, ColType.PK_JOIN, null);
    }
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    @Override
    protected void serializeInheritanceContent(ClassMetaData mapping)
        throws SAXException {
        ClassMapping cls = (ClassMapping) mapping;
        ClassMappingInfo info = cls.getMappingInfo();
        DiscriminatorMappingInfo dinfo = cls.getDiscriminator()
            .getMappingInfo();
        String strat = info.getHierarchyStrategy();
        if (FlatClassStrategy.ALIAS.equals(strat))
            addAttribute("strategy", "SINGLE_TABLE");
        else if (VerticalClassStrategy.ALIAS.equals(strat))
            addAttribute("strategy", "JOINED");
        else if (FullClassStrategy.ALIAS.equals(strat))
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    /**
     * Set the secondary table information back to the owning class mapping.
     */
    private void endSecondaryTable() {
        ClassMapping cm = (ClassMapping) currentElement();
        ClassMappingInfo info = cm.getMappingInfo();
        info.setSecondaryTableJoinColumns(DBIdentifier.newTable(_secondaryTable, delimit()), _joinCols);
        clearSecondaryTableInfo();
    }
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Related Classes of org.apache.openjpa.jdbc.meta.ClassMappingInfo

  • org.apache.openjpa.jdbc.identifier.DBIdentifier
  • org.apache.openjpa.jdbc.identifier.QualifiedDBIdentifier
  • org.apache.openjpa.jdbc.meta.strats.EmbeddedClassStrategy
  • org.apache.openjpa.jdbc.meta.strats.FlatClassStrategy
  • org.apache.openjpa.jdbc.meta.strats.FullClassStrategy
  • org.apache.openjpa.jdbc.meta.strats.ObjectIdClassStrategy
  • org.apache.openjpa.jdbc.meta.strats.VerticalClassStrategy
  • org.apache.openjpa.jdbc.schema.Column
  • org.apache.openjpa.jdbc.schema.Table
  • org.apache.openjpa.jdbc.schema.Unique
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