Package org.apache.openjpa.jdbc.meta

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

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    public void map(boolean adapt) {
        if (cls.getEmbeddingMetaData() != null)
            throw new MetaDataException(_loc.get("not-full", cls));

        ClassMapping sup = cls.getMappedPCSuperclassMapping();
        ClassMappingInfo info = cls.getMappingInfo();
        if (sup != null && info.isJoinedSubclass())
            throw new MetaDataException(_loc.get("not-full", cls));

        info.assertNoJoin(cls, true);
        info.assertNoForeignKey(cls, !adapt);
        info.assertNoIndex(cls, false);
        info.assertNoUnique(cls, false);

        // find class table
        Table table = info.getTable(cls, adapt);

        // find primary key column
        Column[] pkCols = null;
        if (cls.getIdentityType() == cls.ID_DATASTORE) {
            Column id = new Column();
            id.setName("id");
            id.setJavaType(JavaTypes.LONG);
            if (cls.getIdentityStrategy() == ValueStrategies.AUTOASSIGN)
                id.setAutoAssigned(true);
            id.setNotNull(true);
            pkCols = info.getDataStoreIdColumns(cls, new Column[]{ id },
                table, adapt);
            cls.setPrimaryKeyColumns(pkCols);
            cls.setColumnIO(info.getColumnIO());
        }
        cls.setTable(table);

        // add a primary key if we don't have one already
        PrimaryKey pk = table.getPrimaryKey();
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    }

    @Override
    protected void serializeInheritanceContent(ClassMetaData mapping) {
        ClassMapping cls = (ClassMapping) mapping;
        ClassMappingInfo info = cls.getMappingInfo();
        DiscriminatorMappingInfo dinfo = cls.getDiscriminator()
            .getMappingInfo();
        String strat = info.getHierarchyStrategy();
        if (null == strat)
            return;
        String itypecls = Strings.getClassName(InheritanceType.class);
        AnnotationBuilder abInheritance =
            addAnnotation(Inheritance.class, mapping);
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    }

    @Override
    protected void serializeClassMappingContent(ClassMetaData mapping) {
        ClassMapping cls = (ClassMapping) mapping;
        ClassMappingInfo info = cls.getMappingInfo();
        AnnotationBuilder abTable = addAnnotation(Table.class, mapping);
        serializeTable(info.getTableName(), Strings
            .getClassName(mapping.getDescribedType()), null,
            info.getUniques(), abTable);
        serializeColumns(info, ColType.PK_JOIN, null, abTable, cls);
        for (String second : info.getSecondaryTableNames()) {
            AnnotationBuilder abSecTable =
                addAnnotation(SecondaryTable.class, mapping);
            serializeTable(second, null, info, null, abSecTable);
        }
    }
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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());
        for (String second : info.getSecondaryTableNames())
            serializeTable(second, "secondary-table", null, info, null);
        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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    /**
     * Parse @SecondaryTable(s).
     */
    private void parseSecondaryTables(ClassMapping cm,
        SecondaryTable... tables) {
        ClassMappingInfo info = cm.getMappingInfo();
        Log log = getLog();

        String name;
        List<Column> joins;
        boolean warnUnique = false;
        for (SecondaryTable table : tables) {
            name = table.name();
            if (StringUtils.isEmpty(name))
                throw new MetaDataException(_loc.get("second-name", cm));
            if (!StringUtils.isEmpty(table.schema()))
                name = table.schema() + "." + name;
            if (table.pkJoinColumns().length > 0) {
                joins = new ArrayList<Column>(table.pkJoinColumns().length);
                for (PrimaryKeyJoinColumn join : table.pkJoinColumns())
                    joins.add(newColumn(join));
                info.setSecondaryTableJoinColumns(name, joins);
            }
            warnUnique |= table.uniqueConstraints().length > 0;
        }

        //### EJB3
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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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    /**
     * Set the secondary table information back to the owning class mapping.
     */
    private void endSecondaryTable() {
        ClassMapping cm = (ClassMapping) currentElement();
        ClassMappingInfo info = cm.getMappingInfo();
        info.setSecondaryTableJoinColumns(_secondaryTable, _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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    /**
     * 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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