Examples of org.apache.openjpa.kernel.exps.Path.last()

Class org.apache.openjpa.kernel.exps.Path

Examples of org.apache.openjpa.kernel.exps.Path.last()

org.apache.openjpa.kernel.exps.Path.last()
Return the last field in the path, or null if the path does not not contain a final field.

                sql.append(", ");
        }


        if (augmentUpdates) {
            Path path = (Path) updateParams.keySet().iterator().next();
            FieldMapping fm = (FieldMapping) path.last();
            ClassMapping meta = fm.getDeclaringMapping();
            Map updates = meta.getVersion().getBulkUpdateValues();
            for (Iterator iter = updates.entrySet().iterator();
                iter.hasNext(); ) {
                Map.Entry e = (Map.Entry) iter.next();

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    private void updateInMemory(Object ob, Object[] params, StoreQuery q) {
        for (Iterator it = getUpdates().entrySet().iterator();
            it.hasNext();) {
            Map.Entry e = (Map.Entry) it.next();
            Path path = (Path) e.getKey();
            FieldMetaData fmd = (FieldMetaData) path.last();
            OpenJPAStateManager sm = _broker.getStateManager(ob);


            Object val;
            Object value = e.getValue();
            if (value instanceof Val) {

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            return cmd;


        // we might be referencing a collection field of a subquery's parent
        if (isPath(node)) {
            Path path = getPath(node);
            FieldMetaData fmd = path.last();
            cmd = getFieldType(fmd);
            if (cmd == null && fmd.isElementCollection())
                cmd = fmd.getDefiningMetaData();
            return cmd;
        }

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                if (n.id == JJTINNERJOIN) {
                    n = n.getChild(0);
                }
                if (n.id == JJTPATH) {
                    Path path = getPath(n);
                    FieldMetaData fmd = path.last();
                    ClassMetaData cmd = getFieldType(fmd);
                    if (cmd == null && fmd.isElementCollection())
                        cmd = fmd.getDefiningMetaData();
                    if (cmd != null) {
                        return cmd;

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    protected void evalSetClause(QueryExpressions exps) {
        // handle SET field = value
        JPQLNode[] nodes = root().findChildrenByID(JJTUPDATEITEM);
        for (int i = 0; nodes != null && i < nodes.length; i++) {
            Path path = getPath(firstChild(nodes[i]));
            if (path.last().getValue().getEmbeddedMetaData() != null)
                throw parseException(EX_USER, "cant-bulk-update-embeddable",
                        new Object[]{assemble(firstChild(nodes[i]))}, null);


            JPQLNode lastChild = lastChild(nodes[i]);
            Value val = (lastChild.children == null)

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    public static void checkEmbeddable(Value val, String currentQuery) {
        Path path = val instanceof Path ? (Path) val : null;
        if (path == null)
            return;


        FieldMetaData fmd = path.last();
        if (fmd == null)
            return;


        ValueMetaData vm = fmd.isElementCollection() ? fmd.getElement()
            : fmd.getValue();

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        // we only check for parameter-to-path comparisons
        if (param == null || path == null || parameterTypes == null)
            return;


        FieldMetaData fmd = path.last();
        if (fmd == null)
            return;


        if (expected == null)
            checkEmbeddable(path, currentQuery);

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            new Object[]{ name }, null);
    }


    private Path validateMapPath(JPQLNode node, JPQLNode id) {
        Path path = (Path) getValue(id);
        FieldMetaData fld = path.last();


        if (fld == null && ctx().subquery != null) {
            Value var = getVariable(id.text, false);
            if (var != null) {
                path = factory.newPath(var);

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        if (fld == null && ctx().subquery != null) {
            Value var = getVariable(id.text, false);
            if (var != null) {
                path = factory.newPath(var);
                fld = path.last();
            }
        }
        
        if (fld != null) {            
            // validate the field is of type java.util.Map

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        JPQLNode id = onlyChild(node);
        Path path = validateMapPath(node, id);


        if (node.id == JJTKEY)
            path = (Path) factory.getKey(path);
        FieldMetaData fld = path.last();
        ClassMetaData meta = fld.getKey().getTypeMetaData();
        if (verifyEmbeddable &&
            (node.id == JJTKEY && meta != null && fld.getKey().isEmbedded()) ||
            (node.id == JJTVALUE && fld.isElementCollection() &&
                 fld.getElement().getEmbeddedMetaData() != null)) {

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