Package org.datanucleus.query.expression

Examples of org.datanucleus.query.expression.PrimaryExpression

783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
   * @return The name of the sort property that was added to the primary
   * datastore query.
   */
  String getSortProperty(QueryData qd, Expression expr) {
    OrderExpression oe = (OrderExpression) expr;
    PrimaryExpression left = (PrimaryExpression) oe.getLeft();
    AbstractClassMetaData acmd = qd.acmd;
    List<String> tuples = getTuples(left, qd.compilation.getCandidateAlias());
    if (isJoin(left.getLeft(), tuples)) {
      // Change the class meta data to the meta-data for the joined class
      acmd = getJoinClassMetaData(left.getLeft(), tuples, qd);
    }

    AbstractMemberMetaData ammd = getMemberMetaData(acmd, tuples);
    if (ammd == null) {
      throw noMetaDataException(left.getId(), acmd.getFullClassName());
    }
    if (isParentPK(ammd)) {
      throw new UnsupportedDatastoreFeatureException("Cannot sort by parent.");
    } else {
      String sortProp;
View Full Code Here
976
977
978
979
980
981
982
983
984
985
986
  private void handleContainsOperation(InvokeExpression invocation, Expression expr, QueryData qd) {
    Expression param = (Expression) invocation.getArguments().get(0);
    param.bind();
    if (expr.getLeft() instanceof PrimaryExpression) {
      PrimaryExpression left = (PrimaryExpression) expr.getLeft();
      // treat contains as equality since that's how the low-level
      // api does checks on multi-value properties.

      // TODO(maxr): Validate that the lhs of contains
      // is a Collection of some sort.
View Full Code Here
1191
1192
1193
1194
1195
1196
1197
1198
    return getMetaDataManager().getMetaDataForClass(sym.getValueType(), getClassLoaderResolver());
  }

  private OrderExpression createJoinOrderExpression(PrimaryExpression expression) {
    SymbolTable symTable = getSymbolTable();
    PrimaryExpression primaryOrderExpr = new PrimaryExpression(symTable, expression.getTuples());
    return new OrderExpression(symTable, primaryOrderExpr);
  }
View Full Code Here
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
            throw newAggregateAndRowResultsException();
          }
          if (resultType == null) {
            resultType = ResultType.KEYS_ONLY;
          }
          PrimaryExpression primaryExpr = (PrimaryExpression) resultExpr;
          if (!primaryExpr.getId().equals(compilation.getCandidateAlias())) {
            AbstractMemberMetaData ammd =
                getMemberMetaData(acmd, getTuples(primaryExpr, compilation.getCandidateAlias()));
            if (ammd == null) {
              throw noMetaDataException(primaryExpr.getId(), acmd.getFullClassName());
            }
            projectionFields.add(primaryExpr.getId());
            if (ammd.getParent() instanceof EmbeddedMetaData || !ammd.isPrimaryKey()) {
              // A single non-pk field locks the result type on entity projection
              resultType = ResultType.ENTITY_PROJECTION;
            }
          }
View Full Code Here
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
   * @return The name of the sort property that was added to the primary
   * datastore query.
   */
  String getSortProperty(QueryData qd, Expression expr) {
    OrderExpression oe = (OrderExpression) expr;
    PrimaryExpression left = (PrimaryExpression) oe.getLeft();
    AbstractClassMetaData acmd = qd.acmd;
    List<String> tuples = getTuples(left, qd.compilation.getCandidateAlias());
    if (isJoin(left.getLeft(), tuples)) {
      // Change the class meta data to the meta-data for the joined class
      acmd = getJoinClassMetaData(left.getLeft(), tuples, qd);
    }

    AbstractMemberMetaData ammd = getMemberMetaData(acmd, tuples);
    if (ammd == null) {
      throw noMetaDataException(left.getId(), acmd.getFullClassName());
    }
    if (isParentPK(ammd)) {
      throw new UnsupportedDatastoreFeatureException("Cannot sort by parent.");
    } else {
      String sortProp;
View Full Code Here
956
957
958
959
960
961
962
963
964
965
966
  private void handleContainsOperation(InvokeExpression invocation, Expression expr, QueryData qd) {
    Expression param = (Expression) invocation.getArguments().get(0);
    param.bind();
    if (expr.getLeft() instanceof PrimaryExpression) {
      PrimaryExpression left = (PrimaryExpression) expr.getLeft();
      // treat contains as equality since that's how the low-level
      // api does checks on multi-value properties.

      // TODO(maxr): Validate that the lhs of contains
      // is a Collection of some sort.
View Full Code Here
1171
1172
1173
1174
1175
1176
1177
1178
    return getMetaDataManager().getMetaDataForClass(sym.getValueType(), getClassLoaderResolver());
  }

  private OrderExpression createJoinOrderExpression(PrimaryExpression expression) {
    SymbolTable symTable = getSymbolTable();
    PrimaryExpression primaryOrderExpr = new PrimaryExpression(symTable, expression.getTuples());
    return new OrderExpression(symTable, primaryOrderExpr);
  }
View Full Code Here
37
38
39
40
41
42
43
44
45
     * @see org.datanucleus.query.evaluator.memory.InvocationEvaluator#evaluate(org.datanucleus.query.expression.InvokeExpression, org.datanucleus.query.evaluator.memory.InMemoryExpressionEvaluator)
     */
    public Object evaluate(InvokeExpression expr, Object invokedValue, InMemoryExpressionEvaluator eval)
    {
        // TODO Check whether first param is primary expression?
        PrimaryExpression paramExpr = (PrimaryExpression)expr.getArguments().get(0);
        Object value = eval.getValueForPrimaryExpression(paramExpr);
        return JDOHelper.getObjectId(value);
    }
View Full Code Here
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
        String method = expr.getOperation();
        Object param = expr.getArguments().get(0);
        Object paramValue = null;
        if (param instanceof PrimaryExpression)
        {
            PrimaryExpression primExpr = (PrimaryExpression)param;
            paramValue = eval.getValueForPrimaryExpression(primExpr);
        }
        else if (param instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)param;
            paramValue = QueryUtils.getValueForParameterExpression(eval.getParameterValues(), paramExpr);
        }
        else if (param instanceof Literal)
        {
            paramValue = ((Literal)param).getLiteral();
        }
        else
        {
            throw new NucleusException(method + "(param) where param is instanceof " + param.getClass().getName() + " not supported");
        }
        Object param2 = expr.getArguments().get(1);
        Object param2Value = null;
        if (param2 instanceof PrimaryExpression)
        {
            PrimaryExpression primExpr = (PrimaryExpression)param;
            param2Value = eval.getValueForPrimaryExpression(primExpr);
        }
        else if (param2 instanceof ParameterExpression)
        {
            ParameterExpression param2Expr = (ParameterExpression)param2;
View Full Code Here
43
44
45
46
47
48
49
50
51
52
53
        String method = expr.getOperation();
        Object param = expr.getArguments().get(0);
        Object paramValue = null;
        if (param instanceof PrimaryExpression)
        {
            PrimaryExpression primExpr = (PrimaryExpression)param;
            paramValue = eval.getValueForPrimaryExpression(primExpr);
        }
        else if (param instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)param;
View Full Code Here
TOP

Related Classes of org.datanucleus.query.expression.PrimaryExpression

  • com.google.appengine.datanucleus.query.DatastoreQuery
  • org.datanucleus.api.jpa.criteria.FromImpl
  • org.datanucleus.query.compiler.JDOQLCompiler
  • org.datanucleus.query.evaluator.memory.AbsFunctionEvaluator
  • org.datanucleus.query.evaluator.memory.ConcatFunctionEvaluator
  • org.datanucleus.query.evaluator.memory.InMemoryExpressionEvaluator
  • org.datanucleus.query.evaluator.memory.JDOHelperGetObjectIdFunctionEvaluator
  • org.datanucleus.query.evaluator.memory.JDOHelperGetVersionFunctionEvaluator
  • org.datanucleus.query.evaluator.memory.LengthFunctionEvaluator
  • org.datanucleus.query.evaluator.memory.LocateFunctionEvaluator
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.