Package org.datanucleus.query.expression

Examples of org.datanucleus.query.expression.PrimaryExpression

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        Object arg1Obj = null;
        Object param = expr.getArguments().get(0);
        if (param instanceof PrimaryExpression)
        {
            PrimaryExpression primExpr = (PrimaryExpression)param;
            arg1Obj = eval.getValueForPrimaryExpression(primExpr);
        }
        else if (param instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)param;
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            trimChar = ((Character)((Literal)expr.getArguments().get(1)).getLiteral()).charValue();
        }
        String paramValue = null;
        if (param instanceof PrimaryExpression)
        {
            PrimaryExpression primExpr = (PrimaryExpression)param;
            paramValue = (String)eval.getValueForPrimaryExpression(primExpr);
        }
        else if (param instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)param;
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        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;
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     * @see org.datanucleus.query.evaluator.AbstractExpressionEvaluator#processComExpression(org.datanucleus.query.expression.Expression)
     */
    protected Object processComExpression(Expression expr)
    {
        // Bitwise complement - only for integer values
        PrimaryExpression primExpr = (PrimaryExpression)expr.getLeft();
        Object primVal = getValueForPrimaryExpression(primExpr);
        int val = -1;
        if (primVal instanceof Number)
        {
            val = ((Number)primVal).intValue();
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            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;
            }
          }
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   * @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;
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  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.
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    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);
  }
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        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;
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        String method = expr.getOperation();
        Object param1 = expr.getArguments().get(0);
        int param1Value = -1;
        if (param1 instanceof PrimaryExpression)
        {
            PrimaryExpression primExpr = (PrimaryExpression)param1;
            Object val = eval.getValueForPrimaryExpression(primExpr);
            if (val instanceof Number)
            {
                param1Value = ((Number)val).intValue();
            }
            else
            {
                throw new NucleusException(method + "(num1, num2) where num1 is instanceof " + param1.getClass().getName() + " but should be integer");
            }
        }
        else if (param1 instanceof ParameterExpression)
        {
            ParameterExpression paramExpr = (ParameterExpression)param1;
            Object val = QueryUtils.getValueForParameterExpression(eval.getParameterValues(), paramExpr);
            if (val instanceof Number)
            {
                param1Value = ((Number)val).intValue();
            }
            else
            {
                throw new NucleusException(method + "(num1, num2) where num1 is instanceof " + param1.getClass().getName() + " but should be integer");
            }
        }
        else if (param1 instanceof Literal)
        {
            Object val = ((Literal)param1).getLiteral();
            if (val instanceof Number)
            {
                param1Value = ((Number)val).intValue();
            }
            else
            {
                throw new NucleusException(method + "(num1, num2) where num1 is instanceof " + param1.getClass().getName() + " but should be integer");
            }
        }
        else
        {
            throw new NucleusException(method + "(num1, num2) where num1 is instanceof " + param1.getClass().getName() + " not supported");
        }

        Object param2 = expr.getArguments().get(1);
        int param2Value = -1;
        if (param2 instanceof PrimaryExpression)
        {
            PrimaryExpression primExpr = (PrimaryExpression)param2;
            Object val = eval.getValueForPrimaryExpression(primExpr);
            if (val instanceof Number)
            {
                param2Value = ((Number)val).intValue();
            }
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