Examples of FieldMapping

     * Set attribute override into proper mapping.
     */
    private void endAttributeOverride()
        throws SAXException {
        Object elem = currentElement();
        FieldMapping fm;
        if (elem instanceof ClassMapping)
            fm = getAttributeOverride((ClassMapping) elem);
        else
            fm = getAttributeOverride((FieldMapping) elem);
        if (_cols != null) {
            fm.getValueInfo().setColumns(_cols);
            if (_colTable != null)
                fm.getMappingInfo().setTableName(_colTable);
            setUnique(fm);
        }
        clearColumnInfo();
        _override = null;
    }

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


    /**
     * 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;

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

        throws SAXException {
        ClassMapping embed = fm.getEmbeddedMapping();
        if (embed == null)
            throw getException(_loc.get("not-embedded", fm));


        FieldMapping efm = embed.getFieldMapping(_override);
        if (efm == null)
            throw getException(_loc.get("embed-override-name",
                fm, _override));
        return efm;
    }

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


    /**
     * Set the join table information back.
     */
    private void endJoinTable() {
        FieldMapping fm = (FieldMapping) currentElement();
        if (_joinCols != null)
            fm.getMappingInfo().setColumns(_joinCols);
        if (_cols != null)
            fm.getElementMapping().getValueInfo().setColumns(_cols);
        clearColumnInfo();
    }

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

    }


    @Override
    public void populateColumns(Version vers, Table table, Column[] cols) {
        // check for version field and use its name as column name
        FieldMapping fm = vers.getClassMapping().getVersionFieldMapping();
        if (fm != null && cols.length == 1)
            cols[0].setName(fm.getName());
        else
            super.populateColumns(vers, table, cols);
    }

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

        ClassMapping owner;
        ClassMapping from, to;
        Action action;
        Variable var;
        Iterator itr = (_actions == null) ? null : _actions.iterator();
        FieldMapping field;
        while (itr != null && itr.hasNext()) {
            action = (Action) itr.next();


            // treat subqueries like variables for alias generation purposes
            if (action.op == Action.VAR)

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

    }


    public Object toDataStoreValue(Select sel, ExpContext ctx, ExpState state, 
        Object val) {
        PathExpState pstate = (PathExpState) state;
        FieldMapping field = (pstate.cmpfield != null) ? pstate.cmpfield 
            : pstate.field;
        if (isXPath())
            return val;
        if (field != null) {
            if (_key)
                return field.toKeyDataStoreValue(val, ctx.store);
            if (field.getElement().getDeclaredTypeCode() != JavaTypes.OBJECT)
                return field.toDataStoreValue(val, ctx.store);


            val = field.getExternalValue(val, ctx.store.getContext());
            return field.toDataStoreValue(val, ctx.store);
        }
        return _class.toDataStoreValue(val, _class.getPrimaryKeyColumns(),
            ctx.store);
    }

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

            throw new UnsupportedOperationException();


        GetMapValueExpState gstate = (GetMapValueExpState) state;
        PCPath map = (PCPath) _map;
        Object key = ((Const) _key).getValue(ctx, gstate.keyState);
        FieldMapping field = map.getFieldMapping(gstate.mapState);
        if (!(field.getStrategy() instanceof LRSMapFieldStrategy))
            throw new UnsupportedOperationException();


        LRSMapFieldStrategy strat = (LRSMapFieldStrategy) field.getStrategy();
        ClassMapping[] clss = strat.getIndependentValueMappings(true);
        if (clss != null && clss.length > 1)
            throw RelationStrategies.unjoinable(field);


        ClassMapping cls = (clss.length == 0) ? null : clss[0];
        ForeignKey fk = strat.getJoinForeignKey(cls);


        // manually create a subselect for the Map's value
        sql.append("(SELECT ");
        Column[] values = field.getElementMapping().getColumns();
        for (int i = 0; i < values.length; i++) {
            if (i > 0)
                sql.append(", ");
            sql.append(values[i].getFullName());
        }

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

        boolean augmentUpdates = true;


        for (Iterator i = updateParams.entrySet().iterator(); i.hasNext();) {
            Map.Entry next = (Map.Entry) i.next();
            Path path = (Path) next.getKey();
            FieldMapping fmd = (FieldMapping) path.last();


            if (fmd.isVersion())
                augmentUpdates = false;


            Val val = (Val) next.getValue();
            if (val == null)
                val = new Null();
            Column col = fmd.getColumns()[0];
            if (allowAlias) {
              sql.append(sel.getColumnAlias(col));
            } else {
              sql.append(toDBName(col.getIdentifier()));
            }            
            sql.append(" = ");


            ExpState state = val.initialize(sel, ctx, 0);
            // JDBC Paths are always PCPaths; PCPath implements Val
            ExpState pathState = ((Val) path).initialize(sel, ctx, 0);
            calculateValue(val, sel, ctx, state, path, pathState);


            // append the value with a null for the Select; i
            // indicates that the
            int length = val.length(sel, ctx, state);
            for (int j = 0; j < length; j++)
                val.appendTo((allowAlias) ? sel : null, ctx, state, sql, j);


            if (i.hasNext())
                sql.append(", ");
        }


        if (augmentUpdates) {
            Path path = (Path) updateParams.keySet().iterator().next();
            FieldMapping fm = (FieldMapping) path.last();
            
            ClassMapping meta = fm.getDefiningMapping();
            Map<Column,?> updates = meta.getVersion().getBulkUpdateValues();
            for (Map.Entry e : updates.entrySet()) {
                Column col = (Column) e.getKey();
                Object val = e.getValue();
                sql.append(", ").append(toDBName(col.getIdentifier())).append(" = ");

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

        return rels;
    }


    private void setMappedBy(Object oid, Result res) {
        //  for inverse toOne relation field
        FieldMapping mappedByFieldMapping = field.getMappedByMapping();
        
        if (mappedByFieldMapping != null) {
            ValueMapping val = mappedByFieldMapping.getValueMapping();
            ClassMetaData decMeta = val.getTypeMetaData();
            // this inverse field does not have corresponding classMapping
            // its value may be a collection/map etc.
            if (decMeta == null) 
                return;