Package org.apache.openjpa.persistence.meta

Examples of org.apache.openjpa.persistence.meta.MetamodelImpl

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        return exps;
    }

    protected void evalAccessPaths(QueryExpressions exps, ExpressionFactory factory, CriteriaQueryImpl<?> q) {
        Set<ClassMetaData> metas = new HashSet<ClassMetaData>();
        MetamodelImpl metamodel = q.getMetamodel();   
        for (Root<?> root : q.getRoots()) {
            metas.add(((AbstractManagedType<?>)root.getModel()).meta);
            for (Join<?,?> join : root.getJoins()) {
                Class<?> cls = join.getAttribute().getJavaType();
                if (join.getAttribute().isAssociation()) {
                    ClassMetaData meta = metamodel.getRepository().getMetaData(cls, null, true);
                    PersistenceType type = MetamodelImpl.getPersistenceType(meta);
                    if (type == PersistenceType.ENTITY || type == PersistenceType.EMBEDDABLE)
                        metas.add(meta);
                }
            }
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     *
     */
    protected Map<ExpressionImpl<?>, Value> evalOrdering(QueryExpressions exps, ExpressionFactory factory,
        CriteriaQueryImpl<?> q) {
        List<Order> orders = q.getOrderList();
        MetamodelImpl model = q.getMetamodel();
        int ordercount = (orders == null) ? 0 : orders.size();
        Map<ExpressionImpl<?>, Value> exp2Vals = new HashMap<ExpressionImpl<?>, Value>();
        exps.ordering = new Value[ordercount];
        exps.orderingClauses = new String[ordercount];
        exps.orderingAliases = new String[ordercount];
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    protected void evalGrouping(QueryExpressions exps, ExpressionFactory factory, CriteriaQueryImpl<?> q) {
        //    exps.grouping = null; // Value[]
        //    exps.groupingClauses = null; // String[]
        List<Expression<?>> groups = q.getGroupList();
        MetamodelImpl model = q.getMetamodel();
        PredicateImpl having = q.getGroupRestriction();
        if (groups == null)
            return;
        int groupByCount = groups.size();
        exps.grouping = new Value[groupByCount];
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        }
    }
   
    protected void evalFilter(QueryExpressions exps, ExpressionFactory factory, CriteriaQueryImpl<?> q) {
        Set<Root<?>> roots = q.getRoots();
        MetamodelImpl model = q.getMetamodel();
        PredicateImpl where = q.getRestriction();
        SubqueryImpl<?> subQuery = q.getDelegator();
        org.apache.openjpa.kernel.exps.Expression filter = null;
        if (subQuery == null || subQuery.getCorrelatedJoins().isEmpty())
            q.assertRoot();
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    }

    protected void evalProjections(QueryExpressions exps, ExpressionFactory factory, CriteriaQueryImpl<?> q,
        Map<ExpressionImpl<?>, Value> exp2Vals) {
        List<Selection<?>> selections = q.getSelectionList();
        MetamodelImpl model = q.getMetamodel();
        if (q.isDefaultProjection()) {
            exps.projections = new Value[0];
            return ;
        }
        exps.projections = new Value[selections.size()];
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    public MetamodelImpl getMetamodel() {
        if (_metaModel == null) {
            MetaDataRepository mdr = getConfiguration().getMetaDataRepositoryInstance();
            mdr.setValidate(MetaDataRepository.VALIDATE_RUNTIME, true);
            mdr.setResolve(MetaDataRepository.MODE_MAPPING_INIT, true);
            _metaModel = new MetamodelImpl(mdr);
        }
        return _metaModel;
    }
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        return _factory.getSupportedProperties();
    }

    public MetamodelImpl getMetamodel() {
        if (_metaModel == null) {
            _metaModel = new MetamodelImpl(getConfiguration()
                .getMetaDataRepositoryInstance());
        }
        return _metaModel;
    }
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        return _factory.getSupportedProperties();
    }

    public MetamodelImpl getMetamodel() {
        if (_metaModel == null) {
            _metaModel = new MetamodelImpl(getConfiguration()
                .getMetaDataRepositoryInstance());
        }
        return _metaModel;
    }
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        return _factory.getSupportedProperties();
    }

    public MetamodelImpl getMetamodel() {
        if (_metaModel == null) {
            _metaModel = new MetamodelImpl(getConfiguration()
                .getMetaDataRepositoryInstance());
        }
        return _metaModel;
    }
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        return _factory.getSupportedProperties();
    }

    public MetamodelImpl getMetamodel() {
        if (_metaModel == null) {
            _metaModel = new MetamodelImpl(getConfiguration()
                .getMetaDataRepositoryInstance());
        }
        return _metaModel;
    }
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Related Classes of org.apache.openjpa.persistence.meta.MetamodelImpl

  • org.apache.openjpa.meta.ClassMetaData
  • org.apache.openjpa.persistence.criteria.CriteriaExpressionBuilder
  • org.apache.openjpa.persistence.EntityManagerFactoryImpl
  • javax.persistence.metamodel.StaticMetamodel
  • javax.persistence.metamodel.Type.PersistenceType
  • org.apache.openjpa.util.InternalException
  • java.lang.reflect.ParameterizedType
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