Package org.eclipse.persistence.internal.expressions

Examples of org.eclipse.persistence.internal.expressions.FunctionExpression

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        // Is fixed up to be its first child or new expression builder if no children.
        // Child value expressions need their backpointer to their local base set,
        // this is not persisted so must be hooked back up after loading.
        descriptor.getEventManager().addListener(new DescriptorEventAdapter() {
            public void postBuild(DescriptorEvent event) {
                FunctionExpression expression = (FunctionExpression)event.getObject();
                for (int index = 0; index < expression.getChildren().size(); index++) {
                    Expression child = (Expression)expression.getChildren().get(index);
                    if (child.isValueExpression()) {
                        child.setLocalBase(new ExpressionBuilder());
                    }
                }
                if (expression.getChildren().size() > 0) {
                    expression.setBaseExpression((Expression)expression.getChildren().get(0));
                }
                else {
                    expression.setBaseExpression(new ExpressionBuilder());
                }
            }
        });

        XMLDirectMapping operatorMapping = new XMLDirectMapping();
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                row.put("$or", nested);
            } else {
                throw new EISException("Query too complex for Mongo translation, logic [" + expression + "] not supported in query: " + query);
            }
        } else if (expression.isFunctionExpression()) {
            FunctionExpression function = (FunctionExpression)expression;
            if (function.getOperator().getSelector() == ExpressionOperator.Like) {
                Object left = extractValueFromExpression((Expression)function.getChildren().get(0), query);
                Object right = extractValueFromExpression((Expression)function.getChildren().get(1), query);
                if (!(right instanceof String)) {
                    throw new EISException("Query too complex for Mongo translation, like with [" + right + "] not supported in query: " + query);
                }
                String pattern = (String)right;
                DatabaseRecord nested = new DatabaseRecord();
                if (!this.isLikeRegex) {
                    pattern = Helper.convertLikeToRegex(pattern);
                }
                nested.put("$regex", pattern);
                row.put(left, nested);
            } else if (function.getOperator().getSelector() == ExpressionOperator.Not) {
                DatabaseRecord nested = new DatabaseRecord();
                appendExpressionToQueryRow((Expression)function.getChildren().get(0), nested, query);
                row.put("$not", nested);
            } else {
                throw new EISException("Query too complex for Mongo translation, function [" + expression + "] not supported in query: " + query);           
            }
        } else {
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    /**
     * Append the order by expression to the sort row.
     */
    protected void appendExpressionToSortRow(Expression expression, AbstractRecord row, DatabaseQuery query) {
        if (expression.isFunctionExpression()) {
            FunctionExpression function = (FunctionExpression)expression;
            if (function.getOperator().getSelector() == ExpressionOperator.Ascending) {
                Object field = extractValueFromExpression((Expression)function.getChildren().get(0), query);
                row.put(field, 1);
            } else if (function.getOperator().getSelector() == ExpressionOperator.Descending) {
                Object field = extractValueFromExpression((Expression)function.getChildren().get(0), query);
                row.put(field, -1);
            } else {
                throw new EISException("Query too complex for Mongo translation, order by [" + expression + "] not supported in query: " + query);
            }
        } else {
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        }
        org.eclipse.persistence.expressions.Expression parentNode = null;
        List<Expression<?>> compoundExpressions = null;
        String name = "not";
        if (((InternalExpression)restriction).isCompoundExpression() && ((CompoundExpressionImpl)restriction).getOperation().equals("exists")){
            FunctionExpression exp = (FunctionExpression) ((InternalSelection)restriction).getCurrentNode();
            SubSelectExpression sub = (SubSelectExpression) exp.getChildren().get(0);
            parentNode = ExpressionOperator.getOperator(Integer.valueOf(ExpressionOperator.NotExists)).expressionFor(sub);
            name = "notExists";
            compoundExpressions = ((CompoundExpressionImpl)restriction).getChildExpressions();
        }else{
            parentNode = ((InternalSelection)restriction).getCurrentNode().not();
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                        logExp.create(this.currentNode, logExp.getSecondChild(), logExp.getOperator());
                    } else {
                        logExp.create(logExp.getFirstChild(), this.currentNode, logExp.getOperator());
                    }
                } else {
                    FunctionExpression funcExp = (FunctionExpression) this.parentNode;
                    funcExp.getChildren().set(funcExp.getChildren().indexOf(baseIn), this.currentNode);
                }
            }
        } else {
            if (this.currentNode.isRelationExpression()) {
                RelationExpression baseIn = (RelationExpression) this.currentNode;
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     * @param params
     * @return
     */
    public static Expression getSpatialExpression(int operator, Expression geom1, Object geom2, String params) {
        ExpressionOperator anOperator = geom1.getOperator(operator);
        FunctionExpression expression = new FunctionExpression();
        expression.setBaseExpression(geom1);
        expression.addChild(Expression.from(geom1, geom1));
        expression.addChild(Expression.from(geom2, geom1));
        //Bug 5885276, the empty string either like " " or "" needs to be substituted
        //by null prior to passing to Geometry call.
        if (params==null || params.trim().equals("")){
            expression.addChild(Expression.from(null, geom1));
        }else{
            expression.addChild(Expression.from(params, geom1));
        }
        expression.setOperator(anOperator);
        Expression finalExpression = expression.equal("TRUE");
        return finalExpression;
    }
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        // Is fixed up to be its first child or new expression builder if no children.
        // Child value expressions need their backpointer to their local base set,
        // this is not persisted so must be hooked back up after loading.
        descriptor.getEventManager().addListener(new DescriptorEventAdapter() {
            public void postBuild(DescriptorEvent event) {
                FunctionExpression expression = (FunctionExpression)event.getObject();
                for (int index = 0; index < expression.getChildren().size(); index++) {
                    Expression child = (Expression)expression.getChildren().get(index);
                    if (child.isValueExpression()) {
                        child.setLocalBase(new ExpressionBuilder());
                    }
                }
                if (expression.getChildren().size() > 0) {
                    expression.setBaseExpression((Expression)expression.getChildren().get(0));
                }
                else {
                    expression.setBaseExpression(new ExpressionBuilder());
                }
            }
        });

        XMLDirectMapping operatorMapping = new XMLDirectMapping();
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        // Is fixed up to be its first child or new expression builder if no children.
        // Child value expressions need their backpointer to their local base set,
        // this is not persisted so must be hooked back up after loading.
        descriptor.getEventManager().addListener(new DescriptorEventAdapter() {
            public void postBuild(DescriptorEvent event) {
                FunctionExpression expression = (FunctionExpression)event.getObject();
                for (int index = 0; index < expression.getChildren().size(); index++) {
                    Expression child = (Expression)expression.getChildren().get(index);
                    if (child.isValueExpression()) {
                        child.setLocalBase(new ExpressionBuilder());
                    }
                }
                if (expression.getChildren().size() > 0) {
                    expression.setBaseExpression((Expression)expression.getChildren().get(0));
                }
                else {
                    expression.setBaseExpression(new ExpressionBuilder());
                }
            }
        });

        XMLDirectMapping operatorMapping = new XMLDirectMapping();
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        }
        org.eclipse.persistence.expressions.Expression parentNode = null;
        List<Expression<?>> compoundExpressions = null;
        String name = "not";
        if (((InternalExpression)restriction).isCompoundExpression() && ((CompoundExpressionImpl)restriction).getOperation().equals("exists")){
            FunctionExpression exp = (FunctionExpression) ((InternalSelection)restriction).getCurrentNode();
            SubSelectExpression sub = (SubSelectExpression) exp.getChildren().get(0);
            parentNode = ExpressionOperator.getOperator(Integer.valueOf(ExpressionOperator.NotExists)).expressionFor(sub);
            name = "notExists";
            compoundExpressions = ((CompoundExpressionImpl)restriction).getChildExpressions();
        }else{
            parentNode = ((InternalSelection)restriction).getCurrentNode().not();
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        // Is fixed up to be its first child or new expression builder if no children.
        // Child value expressions need their backpointer to their local base set,
        // this is not persisted so must be hooked back up after loading.
        descriptor.getEventManager().addListener(new DescriptorEventAdapter() {
            public void postBuild(DescriptorEvent event) {
                FunctionExpression expression = (FunctionExpression)event.getObject();
                for (int index = 0; index < expression.getChildren().size(); index++) {
                    Expression child = (Expression)expression.getChildren().get(index);
                    if (child.isValueExpression()) {
                        child.setLocalBase(new ExpressionBuilder());
                    }
                }
                if (expression.getChildren().size() > 0) {
                    expression.setBaseExpression((Expression)expression.getChildren().get(0));
                }
                else {
                    expression.setBaseExpression(new ExpressionBuilder());
                }
            }
        });

        XMLDirectMapping operatorMapping = new XMLDirectMapping();
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Related Classes of org.eclipse.persistence.internal.expressions.FunctionExpression

  • org.eclipse.persistence.descriptors.ClassDescriptor
  • org.eclipse.persistence.expressions.spatial.SpatialExpressionFactory
  • org.eclipse.persistence.internal.jpa.querydef.CriteriaBuilderImpl
  • org.eclipse.persistence.internal.jpa.querydef.InImpl
  • org.eclipse.persistence.internal.queries.MappedKeyMapContainerPolicy
  • org.eclipse.persistence.internal.queries.ReportItem
  • org.eclipse.persistence.internal.sessions.AbstractSession
  • org.eclipse.persistence.internal.sessions.factories.ObjectPersistenceRuntimeXMLProject
  • org.eclipse.persistence.mappings.CollectionMapping
  • org.eclipse.persistence.mappings.DatabaseMapping
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