Package org.apache.openjpa.jdbc.meta

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

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    }

    private FieldMapping getFieldMapping(ClassMapping meta) {
        FieldMapping[] fields = meta.getFieldMappings();
        for (int i = 0; i < fields.length; i++) {
            ValueMapping val = fields[i].getValueMapping();
            if (fields[i].getMappedByMetaData() == field &&
                    val.getDeclaredTypeCode() == JavaTypes.MAP)
                return fields[i];
        }
        return null;
    }
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        if (mapField == null)
            return;
       
        Map mapObj = (Map)rel.fetchObjectField(mapField.getIndex());
        Object keyObj = getMapKeyObj(mapObj, sm.getPersistenceCapable());
        ValueMapping key = mapField.getKeyMapping();
        if (!key.isEmbedded()) {
            if (keyObj instanceof PersistenceCapable) {
                OpenJPAStateManager keySm = RelationStrategies.
                    getStateManager(keyObj, store.getContext());
                // key is an entity
                ForeignKey fk = mapField.getKeyMapping().
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            if (!(strat instanceof Embeddable))
                throw new MetaDataException(_loc.get("not-embeddable",
                    vm, fms[i]));
           
            ValueMapping val = fms[i].getValueMapping();
            if (val.getEmbeddedMapping() != null)
                map(val, name, io, adapt, cols, args);
           
            curCols = ((Embeddable) strat).getColumns();
            curIO = ((Embeddable) strat).getColumnIO();
            for (int j = 0; j < curCols.length; j++) {
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            // The embeddableA element in the collection contains an
            // embeddableB. The parameter vm to toDataStoreValue is
            // embeddableA. If some field in embeddableA is of type
            // embeddableB, recursive call is required to populate the
            // value for embeddableB.
            ValueMapping val = fms[i].getValueMapping();
            if (val.getEmbeddedMapping() != null) {
                cval = (em == null) ? null : em.fetch(i);
                if (cval instanceof PersistenceCapable) {
                    OpenJPAStateManager embedSm = (OpenJPAStateManager)
                        ((PersistenceCapable)cval).pcGetStateManager();
                    idx = toDataStoreValue1(embedSm, val, store, cols, rvals,
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        Column[] ecols;
        for (int i = 0; i < fms.length; i++) {
            if (fms[i].getManagement() != FieldMapping.MANAGE_PERSISTENT)
                continue;

            ValueMapping vm1 = fms[i].getValueMapping();
            OpenJPAStateManager em1 = null;
           
            embed = (Embeddable) fms[i].getStrategy();
            if (vm1.getEmbeddedMapping() != null) {
                if (em instanceof StateManagerImpl) {
                em1 = store.getContext().embed(null, null, em, vm1);
                idx = toObjectValue1(em1, vm1, val, store, fetch, cols, idx);
                } else if (em instanceof ObjectIdStateManager) {
                    em1 = new ObjectIdStateManager(null, null, vm1);
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    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;
           
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        // for inverseEager field
        FieldMapping mappedByFieldMapping = field.getMappedByMapping();
        PersistenceCapable mappedByValue = null;
       
        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;
         
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        throws SQLException {
        if (field.getMappedBy() != null)
            return;

        // if nullable, null any existing inverse columns that refer to this obj
        ValueMapping elem = field.getElementMapping();
        ColumnIO io = elem.getColumnIO();
        ForeignKey fk = elem.getForeignKey();
        if (!elem.getUseClassCriteria() && io.isAnyUpdatable(fk, true)) {
            assertInversable();
            Row row = rm.getAllRows(fk.getTable(), Row.ACTION_UPDATE);
            row.setForeignKey(fk, io, null);
            row.whereForeignKey(fk, sm);
            rm.flushAllRows(row);
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        OpenJPAStateManager invsm = RelationStrategies.getStateManager(inverse,
            ctx);
        if (invsm == null)
            return;

        ValueMapping elem = field.getElementMapping();
        ForeignKey fk = elem.getForeignKey();
        ColumnIO io = elem.getColumnIO();
        Column order = field.getOrderColumn();

        int action;
        boolean writeable;
        boolean orderWriteable;
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        ClassMapping cm = field.getElementMapping().getTypeMapping();
        return cm.toDataStoreValue(val, cm.getPrimaryKeyColumns(), store);
    }

    public Joins join(Joins joins, boolean forceOuter) {
        ValueMapping elem = field.getElementMapping();
        ClassMapping[] clss = elem.getIndependentTypeMappings();
        if (clss.length != 1)
            throw RelationStrategies.unjoinable(elem);
        if (forceOuter)
            return joins.outerJoinRelation(field.getName(),
                elem.getForeignKey(clss[0]), clss[0],
                elem.getSelectSubclasses(), true, true);
        return joins.joinRelation(field.getName(), elem.getForeignKey(clss[0]),
            clss[0], elem.getSelectSubclasses(), true, true);
    }
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Related Classes of org.apache.openjpa.jdbc.meta.ValueMapping

  • org.apache.openjpa.jdbc.kernel.exps.PCPath
  • org.apache.openjpa.jdbc.meta.strats.EmbeddedClassStrategy
  • org.apache.openjpa.jdbc.meta.strats.EmbedValueHandler
  • org.apache.openjpa.jdbc.meta.strats.MapTableFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.ObjectIdClassStrategy
  • org.apache.openjpa.jdbc.meta.strats.RelationFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.RelationMapInverseKeyFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.RelationMapTableFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.RelationToManyInverseKeyFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.RelationToManyTableFieldStrategy
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