Package org.apache.openjpa.jdbc.meta

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

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    @Override
    protected void startFieldMapping(FieldMetaData field, Attributes attrs)
        throws SAXException {
        super.startFieldMapping(field, attrs);
        if (getAnnotationParser() != null) {
            FieldMapping fm = (FieldMapping) field;
            fm.getMappingInfo().clear();
            fm.getValueInfo().clear();
            fm.getElementMapping().getValueInfo().clear();
            fm.getKeyMapping().getValueInfo().clear();
        }
    }
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     */
    @Override
    protected void endFieldMapping(FieldMetaData field)
        throws SAXException {
        // setup columns with cached lob and temporal info
        FieldMapping fm = (FieldMapping) field;
        if (_lob || _temporal != null) {
            int typeCode = fm.isElementCollection() ? fm.getElement().getDeclaredTypeCode() :
                fm.getDeclaredTypeCode();
            Class<?> type = fm.isElementCollection() ? fm.getElement().getDeclaredType() : fm.getDeclaredType(); 
            if (_cols == null) {
                _cols = new ArrayList<Column>(1);
                _cols.add(new Column());
            }
            for (Column col : _cols) {
                if (_lob && (typeCode == JavaTypes.STRING
                    || type == char[].class
                    || type == Character[].class)) {
                    col.setSize(-1);
                    col.setType(Types.CLOB);
                } else if (_lob)
                    col.setType(Types.BLOB);
                else {
                    switch (_temporal) {
                        case DATE:
                            col.setType(Types.DATE);
                            break;
                        case TIME:
                            col.setType(Types.TIME);
                            break;
                        case TIMESTAMP:
                            col.setType(Types.TIMESTAMP);
                            break;
                    }
                }
            }
        }

        if (_cols != null) {
            switch (fm.getDeclaredTypeCode()) {
                case JavaTypes.ARRAY:
                    Class<?> type = fm.getDeclaredType();
                    if (type == byte[].class || type == Byte[].class
                        || type == char[].class || type == Character[].class ) {
                        fm.getValueInfo().setColumns(_cols);
                        break;
                    }
                    // else no break
                case JavaTypes.COLLECTION:
                    if (!fm.getValue().isSerialized()) {
                        fm.getElementMapping().getValueInfo().setColumns(_cols);
                    } else  {
                        fm.getValueInfo().setColumns(_cols);
                    }
                    break;
                case JavaTypes.MAP:
                    fm.getElementMapping().getValueInfo().setColumns(_cols);
                    break;
                default:
                    fm.getValueInfo().setColumns(_cols);
            }
            if (_colTable != null)
                fm.getMappingInfo().setTableIdentifier(DBIdentifier.newTable(_colTable, delimit()));
            setUnique(fm);
        }
        clearColumnInfo();
    }
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     * Set attribute override into proper mapping.
     */
    private void endAttributeOverride()
        throws SAXException {
        Object elem = currentElement();
        FieldMapping fm = null;
        if (elem instanceof ClassMapping)
            fm = getAttributeOverride((ClassMapping) elem);
        else {
            FieldMapping basefm = (FieldMapping) elem;
           
            fm = getAttributeOverrideForEmbeddable(basefm, _override, false);
            if (fm == null) {
                DeferredEmbeddableOverrides dfm =
                    getDeferredFieldMappingInfo(
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    /**
     * Return the proper override.
     */
    private FieldMapping getAttributeOverride(ClassMapping cm) {
        FieldMapping sup = (FieldMapping) cm.getDefinedSuperclassField
            (_override);
        if (sup == null)
            sup = (FieldMapping) cm.addDefinedSuperclassField(_override,
                Object.class, Object.class);
        return sup;
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        throws SAXException {
        DBIdentifier sTable = toTableIdentifier(attrs.getValue("schema"),
            attrs.getValue("name"));
        if (!DBIdentifier.isNull(sTable)) {
            Object elem = currentElement();
            FieldMapping fm = null;
            if (elem instanceof FieldMapping) {
                fm = (FieldMapping) elem;
                if (_override != null) {
                    FieldMapping basefm = (FieldMapping) elem;
                    fm = getAttributeOverrideForEmbeddable(basefm,
                        _override, false);
                    if (fm == null) {
                        DeferredEmbeddableOverrides dfm =
                            getDeferredFieldMappingInfo(
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    /**
     * Set the join table information back.
     */
    private void endJoinTable() throws SAXException {
        Object elem = currentElement();
        FieldMapping fm = null;
        if (elem instanceof FieldMapping) {
            fm = (FieldMapping) elem;
            if (_override != null) {
                FieldMapping basefm = (FieldMapping) elem;
                fm = getAttributeOverrideForEmbeddable(basefm, _override,
                    false);
                if (fm == null) {
                    DeferredEmbeddableOverrides dfm =
                        getDeferredFieldMappingInfo(
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        throws SAXException {
        // only join cols in a join table join field table to class table;
        // others act as data fk cols
        Object currentParent = currentParent();
        if (currentParent == COLLECTION_TABLE) {
            FieldMapping fm = (FieldMapping) peekElement();
            Column col = parseColumn(attrs);
            List<Column> colList = fm.getMappingInfo().getColumns();
            if (colList.isEmpty()) {
                colList = new ArrayList<Column>();
                fm.getMappingInfo().setColumns(colList);
            }
            colList.add(col);
            fm.getMappingInfo().setColumns(colList);
            return true;
        }
       
        if (currentParent != JOIN_TABLE)
            return startColumn(attrs);
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    private boolean startColumn(Attributes attrs)
        throws SAXException {
        Column col = parseColumn(attrs);
        Object obj = peekElement();
        if (obj instanceof FieldMapping) {
            FieldMapping fm = (FieldMapping)obj;
            // a collection of basic types
            // the column is in a separate table
            if (fm.isElementCollection() &&
                !fm.getElementMapping().isEmbedded()) {
                List<Column> list = fm.getElementMapping().getValueInfo().getColumns();
                if (list.size() == 0) {
                    list = new ArrayList<Column>();
                    fm.getElementMapping().getValueInfo().setColumns(list);
                }
                list.add(col);
                return true;
            }
        }
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    /**
     * Parse map-key-column.
     */
    private boolean startMapKeyColumn(Attributes attrs)
        throws SAXException {
        FieldMapping fm = (FieldMapping) peekElement();
        Column col = parseColumn(attrs);
        MappingInfo info = fm.getKeyMapping().getValueInfo();
        List<Column> cols = new ArrayList<Column>();
        cols.add(col);
        info.setColumns(cols);
        return true;
    }
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    throws SAXException {
        boolean retVal = startMapKeyColumn(attrs);
        // check if name is not set, set it to default: the
        // concatenation of the name of the referencing property
        // or field name, "-", "KEY"
        FieldMapping fm = (FieldMapping) peekElement();
        MappingInfo info = fm.getKeyMapping().getValueInfo();
        List<Column> cols = info.getColumns();
        Column col = cols.get(0);
        if (DBIdentifier.isNull(col.getIdentifier())) {
            col.setIdentifier(DBIdentifier.newColumn(fm.getName() + "_" + "KEY", delimit()));
        }

        return retVal;
    }
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