Package org.eclipse.persistence.internal.queries

Examples of org.eclipse.persistence.internal.queries.ReportItem

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    /**
     * Add the attribute with joining.
     */
    public void addAttribute(String attributeName, Expression attributeExpression, List joinedExpressions) {
        ReportItem item = new ReportItem(attributeName, attributeExpression);
        item.getJoinedAttributeManager().setJoinedAttributeExpressions_(joinedExpressions);
        getReportItems().add(item);
    }
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     */
    public void initialize(ReportQuery query) throws QueryException {
        int size= getReportItems().size();
        List mappings = new ArrayList();
        for (int index = 0; index < size; index++) {
            ReportItem item = (ReportItem)reportItems.get(index);
            item.initialize(query);
            mappings.add(item.getMapping());
        }
        setConstructorMappings(mappings);
       
        int numberOfItems = getReportItems().size();
        // Arguments may be initialized depending on how the query was constructed, so types may be undefined though.
        if (getConstructorArgTypes() == null) {
            setConstructorArgTypes(new Class[numberOfItems]);
        }
        Class[] constructorArgTypes = getConstructorArgTypes();
        for (int index = 0; index < numberOfItems; index++) {
            if (constructorArgTypes[index] == null) {
                ReportItem argumentItem = (ReportItem)getReportItems().get(index);
                if (mappings.get(index) != null) {
                    DatabaseMapping mapping = (DatabaseMapping)constructorMappings.get(index);
                    if (argumentItem.getAttributeExpression() != null && argumentItem.getAttributeExpression().isMapEntryExpression()){
                        if (((MapEntryExpression)argumentItem.getAttributeExpression()).shouldReturnMapEntry()){
                            constructorArgTypes[index] = Map.Entry.class;
                        } else {
                            constructorArgTypes[index] = (Class)((CollectionMapping)mapping).getContainerPolicy().getKeyType();
                        }
                    } else {
                        constructorArgTypes[index] = mapping.getAttributeClassification();
                    }
                } else if (argumentItem.getResultType() != null) {
                    constructorArgTypes[index] = argumentItem.getResultType();
                } else if (argumentItem.getDescriptor() != null) {
                    constructorArgTypes[index] = argumentItem.getDescriptor().getJavaClass();
                } else if (argumentItem.getAttributeExpression() != null && argumentItem.getAttributeExpression().isConstantExpression()){
                    constructorArgTypes[index] = ((ConstantExpression)argumentItem.getAttributeExpression()).getValue().getClass();
                } else {
                    // Use Object.class by default.
                    constructorArgTypes[index] = ClassConstants.OBJECT;
                }
            }
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        // select clause expressions as non fetch join attributes to the
        // ReportQuery representing the subquery. This make sure the FK joins
        // get generated. 
        List items = reportQuery.getItems();
        for (Iterator i = items.iterator(); i.hasNext();) {
            ReportItem item = (ReportItem)i.next();
            Expression expr = item.getAttributeExpression();
            reportQuery.addNonFetchJoinedAttribute(expr);
        }
        reportQuery.clearItems();
        Expression one = new ConstantExpression(Integer.valueOf(1), new ExpressionBuilder());
        reportQuery.addItem("one", one);
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    /**
     * Method to add an expression to be used to return the parameter that is then passed into the constructor method.
     * Similar to ReportQuery's addAttribute method, but name is not needed.
     */
    public void addAttribute(Expression attributeExpression) {
        ReportItem item = new ReportItem(getName()+getReportItems().size(), attributeExpression);
        getReportItems().add(item);
    }
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    /**
     * Add the attribute with joining.
     */
    public void addAttribute(String attributeName, Expression attributeExpression, List joinedExpressions) {
        ReportItem item = new ReportItem(attributeName, attributeExpression);
        item.getJoinedAttributeManager().setJoinedAttributeExpressions_(joinedExpressions);
        getReportItems().add(item);
    }
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     */
    public void initialize(ReportQuery query) throws QueryException {
        int size= getReportItems().size();
        List mappings = new ArrayList();
        for (int index = 0; index < size; index++) {
            ReportItem item = (ReportItem)reportItems.get(index);
            item.initialize(query);
            mappings.add(item.getMapping());
        }
        setConstructorMappings(mappings);
       
        int numberOfItems = getReportItems().size();
        // Arguments may be initialized depending on how the query was constructed, so types may be undefined though.
        if (getConstructorArgTypes() == null) {
            setConstructorArgTypes(new Class[numberOfItems]);
        }
        Class[] constructorArgTypes = getConstructorArgTypes();
        for (int index = 0; index < numberOfItems; index++) {
            if (constructorArgTypes[index] == null) {
                ReportItem argumentItem = (ReportItem)getReportItems().get(index);
                if (mappings.get(index) != null) {
                    constructorArgTypes[index] = ((DatabaseMapping)constructorMappings.get(index)).getAttributeClassification();
                } else if (argumentItem.getResultType() != null) {
                    constructorArgTypes[index] = argumentItem.getResultType();
                } else if (argumentItem.getDescriptor() != null) {
                    constructorArgTypes[index] = argumentItem.getDescriptor().getJavaClass();
                } else {
                    // Use Object.class by default.
                    constructorArgTypes[index] = ClassConstants.OBJECT;
                }
            }
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            ReportQuery reportQuery = (ReportQuery)query;
            //ExpressionBuilder string
            builderString = buildBuilderString(builderString, method, iteration, queryIdentifier);
            //ReportItems
            for (Enumeration itemsEnum = reportQuery.getItems().elements(); itemsEnum.hasMoreElements();) {
                ReportItem item = (ReportItem)itemsEnum.nextElement();
                Expression expression = item.getAttributeExpression();
                String itemName = item.getName();
                StringWriter writer = new StringWriter();
                ExpressionJavaPrinter javaPrinter = new ExpressionJavaPrinter(builderString, writer, project.getDatasourceLogin().getPlatform());
                if (expression != null) {
                    String functionString;
                    Expression baseExpression;  //used in ReportQuery API, e.g. addCount(itemName, baseExpression)
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            ReportQuery reportQuery = (ReportQuery)query;
            //ExpressionBuilder string
            builderString = buildBuilderString(builderString, method, iteration, queryIdentifier);
            //ReportItems
            for (Enumeration itemsEnum = reportQuery.getItems().elements(); itemsEnum.hasMoreElements();) {
                ReportItem item = (ReportItem)itemsEnum.nextElement();
                Expression expression = item.getAttributeExpression();
                String itemName = item.getName();
                StringWriter writer = new StringWriter();
                ExpressionJavaPrinter javaPrinter = new ExpressionJavaPrinter(builderString, writer, project.getDatasourceLogin().getPlatform());
                if (expression != null) {
                    String functionString;
                    Expression baseExpression;  //used in ReportQuery API, e.g. addCount(itemName, baseExpression)
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        // select clause expressions as non fetch join attributes to the
        // ReportQuery representing the subquery. This make sure the FK joins
        // get generated. 
        List items = reportQuery.getItems();
        for (Iterator i = items.iterator(); i.hasNext();) {
            ReportItem item = (ReportItem)i.next();
            Expression expr = item.getAttributeExpression();
            reportQuery.addNonFetchJoinedAttribute(expr);
        }
        reportQuery.clearItems();
        Expression one = new ConstantExpression(new Integer(1), new ExpressionBuilder());
        reportQuery.addItem("one", one);
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    /**
     * Method to add an expression to be used to return the parameter that is then passed into the constructor method.
     * Similar to ReportQuery's addAttribute method, but name is not needed.
     */
    public void addAttribute(Expression attributeExpression) {
        ReportItem item = new ReportItem(getName()+getReportItems().size(), attributeExpression);
        getReportItems().add(item);
    }
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Related Classes of org.eclipse.persistence.internal.queries.ReportItem

  • org.eclipse.persistence.internal.expressions.FunctionExpression
  • org.eclipse.persistence.internal.jpa.parsing.ExistsNode
  • org.eclipse.persistence.internal.jpa.querydef.ConstructorSelectionImpl
  • org.eclipse.persistence.jpa.rs.features.FeatureResponseBuilderImpl
  • org.eclipse.persistence.jpa.rs.resources.common.AbstractResource
  • org.eclipse.persistence.queries.ConstructorReportItem
  • org.eclipse.persistence.sessions.factories.ProjectClassGenerator
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