Package org.apache.openjpa.kernel.exps

Examples of org.apache.openjpa.kernel.exps.Value

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        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? false : getDelegatorParent().isRegistered(selection);
    }

    public Value getRegisteredVariable(Selection<?> selection) {
        Value var = _variables.get(selection);
        if (var != null)
            return var;
        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? null : getDelegatorParent().getRegisteredVariable(selection);
    }
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        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? null : getDelegatorParent().getRegisteredVariable(selection);
    }

    public Value getRegisteredValue(Selection<?> selection) {
        Value val = _values.get(selection);
        if (val != null)
            return val;
        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? null : getDelegatorParent().getRegisteredValue(selection);
    }
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    /**
     * Gets the registered variable for the given root.
     */
    public Value getRegisteredRootVariable(Root<?> root) {
        Value var = _rootVariables.get(root);
        if (var != null)
            return var;
        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? null : getDelegatorParent().getRegisteredRootVariable(root);
    }
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        exps.orderingAliases = new String[ordercount];
        exps.ascending = new boolean[ordercount];
        for (int i = 0; i < ordercount; i++) {
            OrderImpl order = (OrderImpl)orders.get(i);
            ExpressionImpl<?> expr = order.getExpression();
            Value val = Expressions.toValue(expr, factory, q);
            exps.ordering[i] = val;
            String alias = expr.getAlias();
            exps.orderingAliases[i] = alias;
            exps.orderingClauses[i] = "";
            val.setAlias(alias);
            exps.ascending[i] = order.isAscending();
            exp2Vals.put(expr, val);
        }
        return exp2Vals;
    }
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        if (subQuery == null || subQuery.getCorrelatedJoins().isEmpty()) {
            q.assertRoot();
            if (roots.size() > 1) { // cross join
                for (Root<?> root : roots) {
                    String alias = q.getAlias(root);
                    Value var = factory.newBoundVariable(alias, AbstractExpressionBuilder.TYPE_OBJECT);
                    var.setMetaData(((AbstractManagedType<?>)root.getModel()).meta);
                    q.registerRoot(root, var);
                }
            }        
        }
    }
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        for (Selection<?> s : selections) {
            if (s.isCompoundSelection()) {
                getProjections(exps, s.getCompoundSelectionItems(), projections, aliases,
                    clauses, factory, q, model, exp2Vals);
            } else {
                Value val = (exp2Vals != null && exp2Vals.containsKey(s)
                        ? exp2Vals.get(s) : ((ExpressionImpl<?>)s).toValue(factory, q));
                String alias = s.getAlias();
                val.setAlias(alias);
                projections.add(val);
                aliases.add(alias);
                clauses.add(alias);
            }        
        }
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            return false;
       
        Value[] values = _exps[0].projections;
        Object[] single = new Object[values.length];
        for (int i=0; i<values.length; i++) {
            Value v = values[i];
            boolean isAggregate = v.isAggregate();
           
            String op = v.getClass().getSimpleName();
            for (ResultObjectProvider rop:_rops) {
                if (i == 0)
                  rop.next();
                Object[] row = (Object[]) rop.getResultObject();
                if (isAggregate) {
                    if (COUNT.equals(op)) {
                        single[i] = count(single[i], row[i]);
                    } else if (MAX.equals(op)) {
                        single[i] = max(single[i], row[i]);
                    } else if (MIN.equals(op)) {
                        single[i] = min(single[i], row[i]);
                    } else if (SUM.equals(op)) {
                        single[i] = sum(single[i], row[i]);
                    } else {
                        throw new UnsupportedOperationException
                            (_loc.get("aggregate-unsupported", op).toString());
                    }
                } else {
                    single[i] = row[i];
                }
                single[i] = Filters.convert(single[i], v.getType());
            }
        }
        _single = single;
        return true;
    }
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        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? false : getDelegatorParent().isRegistered(selection);
    }

    public Value getRegisteredVariable(Selection<?> selection) {
        Value var = _variables.get(selection);
        if (var != null)
            return var;
        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? null : getDelegatorParent().getRegisteredVariable(selection);
    }
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        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? null : getDelegatorParent().getRegisteredVariable(selection);
    }

    public Value getRegisteredValue(Selection<?> selection) {
        Value val = _values.get(selection);
        if (val != null)
            return val;
        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? null : getDelegatorParent().getRegisteredValue(selection);
    }
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    /**
     * Gets the registered variable for the given root.
     */
    public Value getRegisteredRootVariable(Root<?> root) {
        Value var = _rootVariables.get(root);
        if (var != null)
            return var;
        SubqueryImpl<?> delegator = getDelegator();
        return (delegator == null) ? null : getDelegatorParent().getRegisteredRootVariable(root);
    }
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Related Classes of org.apache.openjpa.kernel.exps.Value

  • org.apache.openjpa.jdbc.kernel.exps.JDBCExpressionFactory
  • org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder
  • org.apache.openjpa.persistence.criteria.CriteriaExpressionBuilder
  • org.apache.openjpa.persistence.criteria.CriteriaQueryImpl
  • org.apache.openjpa.persistence.criteria.Expressions$Abs
  • org.apache.openjpa.persistence.criteria.Expressions$Avg
  • org.apache.openjpa.persistence.criteria.Expressions$Case
  • org.apache.openjpa.persistence.criteria.Expressions$Count
  • org.apache.openjpa.persistence.criteria.Expressions$Diff
  • org.apache.openjpa.persistence.criteria.Expressions$Equal
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