Examples of org.apache.openjpa.jdbc.sql.Row

org.apache.openjpa.jdbc.sql.Row
Logical representation of a table row for insert/update/delete. The {@link org.apache.openjpa.jdbc.kernel.UpdateManager} is responsible for implementingrows to do something useful when the values are set. @author Abe White

            return;


        Object curVersion = sm.getVersion();
        Object nextVersion = nextVersion(curVersion);


        Row row = rm.getRow(vers.getClassMapping().getTable(),
            Row.ACTION_UPDATE, sm, true);
        row.setFailedObject(sm.getManagedInstance());


        // set where and update conditions on row
        for (int i = 0; i < cols.length; i++) {
            if (curVersion != null && sm.isVersionCheckRequired())
                row.whereObject(cols[i], curVersion);
            if (vers.getColumnIO().isUpdatable(i, nextVersion == null))
                row.setObject(cols[i], nextVersion);
        }


        if (nextVersion != null)
            sm.setNextVersion(nextVersion);
    }

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            sm.setNextVersion(nextVersion);
    }


    public void delete(OpenJPAStateManager sm, JDBCStore store, RowManager rm)
        throws SQLException {
        Row row = rm.getRow(vers.getClassMapping().getTable(),
            Row.ACTION_DELETE, sm, true);
        row.setFailedObject(sm.getManagedInstance());
        Column[] cols = vers.getColumns();


        Object curVersion = sm.getVersion();
        Object cur;
        for (int i = 0; i < cols.length; i++) {
            if (cols.length == 1 || curVersion == null)
                cur = curVersion;
            else
                cur = ((Object[]) curVersion)[i];


            // set where and update conditions on row
            if (cur != null)
                row.whereObject(cols[i], cur);
        }
    }

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        }
    }


    public void insert(OpenJPAStateManager sm, JDBCStore store, RowManager rm)
        throws SQLException {
        Row row = field.getRow(sm, store, rm, Row.ACTION_INSERT);
        if (row == null)
            return;


        OpenJPAStateManager em = store.getContext().getStateManager
            (sm.fetchObject(field.getIndex()));

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        throws SQLException {
        OpenJPAStateManager em = store.getContext().getStateManager
            (sm.fetchObject(field.getIndex()));
        boolean newVal = em == null || em.getPCState() == PCState.ECOPY;


        Row row = null;
        if (newVal && field.getJoinForeignKey() != null
            && field.isJoinOuter()) {
            // if our record is in an outer-joined related table and we're not
            // updating an existing value, delete the old one
            Row del = rm.getRow(field.getTable(), Row.ACTION_DELETE, sm, true);
            del.whereForeignKey(field.getJoinForeignKey(), sm);
            delete(sm, null, store, rm, del);


            // insert the new value
            row = rm.getRow(field.getTable(), Row.ACTION_INSERT, sm,
                em != null);

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        throws SQLException {
        OpenJPAStateManager em = null;
        if (sm.getLoaded().get(field.getIndex()))
            em = store.getContext().getStateManager(sm.fetchObject
                (field.getIndex()));
        Row row = field.getRow(sm, store, rm, Row.ACTION_DELETE);
        delete(sm, em, store, rm, row);
    }

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     */
    public void deleteRow(OpenJPAStateManager sm, JDBCStore store,
        RowManager rm)
        throws SQLException {
        if (_fk != null) {
            Row row = rm.getRow(getTable(), Row.ACTION_DELETE, sm, true);
            row.whereForeignKey(_fk, sm);
        }
    }

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     * Utility method for use by mapping strategies.
     */
    public Row getRow(OpenJPAStateManager sm, JDBCStore store, RowManager rm,
        int action)
        throws SQLException {
        Row row = null;
        boolean newOuterRow = false;
        if (_fk != null && _outer && action != Row.ACTION_DELETE) {
            // if updating with outer join, delete old value first, then insert;
            // we can't just update b/c the row might not exist
            if (action == Row.ACTION_UPDATE) {
                // maybe some other field already is updating?
                row = rm.getRow(getTable(), Row.ACTION_UPDATE, sm, false);
                if (row == null) {
                    Row del = rm.getRow(getTable(), Row.ACTION_DELETE, sm,
                        true);
                    del.whereForeignKey(_fk, sm);
                }
            } else
                row = rm.getRow(getTable(), Row.ACTION_INSERT, sm, false);


            // only update/insert if the row exists already or the value is

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        OpenJPAStateManager rel = RelationStrategies.getStateManager
            (sm.fetchObjectField(field.getIndex()), store.getContext());
        if (field.getJoinDirection() == field.JOIN_INVERSE)
            updateInverse(sm, rel, store, rm);
        else {
            Row row = field.getRow(sm, store, rm, Row.ACTION_INSERT);
            if (row != null)
                field.setForeignKey(row, rel);
        }
    }

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        if (field.getJoinDirection() == field.JOIN_INVERSE) {
            nullInverse(sm, rm);
            updateInverse(sm, rel, store, rm);
        } else {
            Row row = field.getRow(sm, store, rm, Row.ACTION_UPDATE);
            if (row != null)
                field.setForeignKey(row, rel);
        }
    }

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            if (rel != null) {
                ForeignKey fk = field.getForeignKey((ClassMapping)
                    rel.getMetaData());
                if (fk.getDeleteAction() == ForeignKey.ACTION_RESTRICT ||
                    fk.getDeleteAction() == ForeignKey.ACTION_CASCADE) {
                    Row row = field.getRow(sm, store, rm, Row.ACTION_DELETE);
                    row.setForeignKey(fk, null, rel);
                }
            }
        }
    }

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org.apache.openjpa.jdbc.kernel.ConstraintUpdateManager

org.apache.openjpa.jdbc.meta.FieldMapping

org.apache.openjpa.jdbc.meta.strats.ColumnVersionStrategy

org.apache.openjpa.jdbc.meta.strats.EmbedFieldStrategy

org.apache.openjpa.jdbc.meta.strats.FullClassStrategy

org.apache.openjpa.jdbc.meta.strats.HandlerFieldStrategy

org.apache.openjpa.jdbc.meta.strats.InValueDiscriminatorStrategy

org.apache.openjpa.jdbc.meta.strats.LobFieldStrategy

org.apache.openjpa.jdbc.meta.strats.MapTableFieldStrategy

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