Examples of OnTriggerSetAssignment

Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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        EventPropertyWriter[] writers = new EventPropertyWriter[len];
        boolean[] notNullableField = new boolean[len];

        for (int i = 0; i < assignments.size(); i++)
        {
            OnTriggerSetAssignment assignment = assignments.get(i);
            String propertyName = assignment.getVariableName();
            expressions[i] = assignment.getExpression().getExprEvaluator();
            EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(propertyName);

            if (writableProperty == null)
            {
                int indexDot = propertyName.indexOf(".");
                if ((namedWindowAlias != null) && (indexDot != -1)) {
                    String prefix = propertyName.substring(0, indexDot);
                    String name = propertyName.substring(indexDot + 1);
                    if (prefix.equals(namedWindowAlias)) {
                        writableProperty = eventTypeSPI.getWritableProperty(name);
                        propertyName = name;
                    }
                }
                if (writableProperty == null && indexDot != -1) {
                    String prefix = propertyName.substring(0, indexDot);
                    String name = propertyName.substring(indexDot + 1);
                    if (prefix.equals(namedWindowName)) {
                        writableProperty = eventTypeSPI.getWritableProperty(name);
                        propertyName = name;
                    }
                }
                if (writableProperty == null) {
                    throw new ExprValidationException("Property '" + propertyName + "' is not available for write access");
                }
            }
            writers[i] = eventTypeSPI.getWriter(propertyName);
            notNullableField[i] = writableProperty.getPropertyType().isPrimitive();

            properties.add(propertyName);
            wideners[i] = TypeWidenerFactory.getCheckPropertyAssignType(assignment.getExpression().toExpressionString(), assignment.getExpression().getExprEvaluator().getType(),
                    writableProperty.getPropertyType(), propertyName);
        }
        String[] propertyNames = properties.toArray(new String[properties.size()]);

        // map expression index to property index
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Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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        List<NamedWindowUpdateItem> updateItems = new ArrayList<NamedWindowUpdateItem>();
        List<String> properties = new ArrayList<String>();

        for (int i = 0; i < assignments.size(); i++)
        {
            OnTriggerSetAssignment assignment = assignments.get(i);
            NamedWindowUpdateItem updateItem;

            // determine whether this is a "property=value" assignment, we use property setters in this case
            Pair<String, ExprNode> possibleAssignment = ExprNodeUtility.checkGetAssignmentToProp(assignment.getExpression());

            // handle assignment "property = value"
            if (possibleAssignment != null) {

                String propertyName = possibleAssignment.getFirst();
                EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(propertyName);

                // check assignment to indexed or mapped property
                if (writableProperty == null) {
                    Pair<String, EventPropertyDescriptor> nameWriteablePair = checkIndexedOrMappedProp(possibleAssignment.getFirst(), namedWindowName, namedWindowAlias, eventTypeSPI);
                    propertyName = nameWriteablePair.getFirst();
                    writableProperty = nameWriteablePair.getSecond();
                }

                ExprEvaluator evaluator = possibleAssignment.getSecond().getExprEvaluator();
                EventPropertyWriter writers = eventTypeSPI.getWriter(propertyName);
                boolean notNullableField = writableProperty.getPropertyType().isPrimitive();

                properties.add(propertyName);
                TypeWidener widener = TypeWidenerFactory.getCheckPropertyAssignType(possibleAssignment.getSecond().toExpressionString(), possibleAssignment.getSecond().getExprEvaluator().getType(),
                        writableProperty.getPropertyType(), propertyName);

                // check event type assignment
                if (optionalTriggeringEventType != null && possibleAssignment.getSecond() instanceof ExprIdentNode) {
                    ExprIdentNode node = (ExprIdentNode) possibleAssignment.getSecond();
                    FragmentEventType fragmentRHS = optionalTriggeringEventType.getFragmentType(node.getResolvedPropertyName());
                    FragmentEventType fragmentLHS = eventTypeSPI.getFragmentType(possibleAssignment.getFirst());
                    if (fragmentRHS != null && fragmentLHS != null && !EventTypeUtility.isTypeOrSubTypeOf(fragmentRHS.getFragmentType(), fragmentLHS.getFragmentType())) {
                        throw new ExprValidationException("Invalid assignment to property '" +
                            possibleAssignment.getFirst() + "' event type '" + fragmentLHS.getFragmentType().getName() +
                            "' from event type '" + fragmentRHS.getFragmentType().getName() + "'");
                    }
                }

                updateItem = new NamedWindowUpdateItem(evaluator, propertyName, writers, notNullableField, widener);
            }
            // handle non-assignment, i.e. UDF or other expression
            else {
                ExprEvaluator evaluator = assignment.getExpression().getExprEvaluator();
                updateItem = new NamedWindowUpdateItem(evaluator, null, null, false, null);
            }

            updateItems.add(updateItem);
        }
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Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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        TypeWidener[] wideners = new TypeWidener[desc.getAssignments().size()];
        List<String> properties = new ArrayList<String>();
        for (int i = 0; i < desc.getAssignments().size(); i++)
        {
            OnTriggerSetAssignment assignment = desc.getAssignments().get(i);
            EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(assignment.getVariableName());

            if (writableProperty == null)
            {
                throw new ExprValidationException("Property '" + assignment.getVariableName() + "' is not available for write access");
            }

            wideners[i] = TypeWidenerFactory.getCheckPropertyAssignType(assignment.getExpression().toExpressionString(), assignment.getExpression().getExprEvaluator().getType(),
                    writableProperty.getPropertyType(), assignment.getVariableName());
            properties.add(assignment.getVariableName());
        }

        // check copy-able
        EventBeanCopyMethod copyMethod = eventTypeSPI.getCopyMethod(properties.toArray(new String[properties.size()]));
        if (copyMethod == null)
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Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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            List<String> properties = new ArrayList<String>();
            ExprNode[] expressions = new ExprNode[entry.getKey().getAssignments().size()];
            for (int i = 0; i < entry.getKey().getAssignments().size(); i++)
            {
                OnTriggerSetAssignment assignment = entry.getKey().getAssignments().get(i);
                expressions[i] = assignment.getExpression();
                properties.add(assignment.getVariableName());
                eventPropertiesWritten.add(assignment.getVariableName());
            }
            EventBeanWriter writer = eventTypeSPI.getWriter(properties.toArray(new String[properties.size()]));
            desc.add(new InternalEventRouterEntry(priority, isDrop, entry.getKey().getOptionalWhereClause(), expressions, writer, entry.getValue().getWideners(), entry.getValue().getOutputView()));
        }
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Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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        TypeWidener[] wideners = new TypeWidener[desc.getAssignments().size()];
        List<String> properties = new ArrayList<String>();
        for (int i = 0; i < desc.getAssignments().size(); i++)
        {
            OnTriggerSetAssignment assignment = desc.getAssignments().get(i);
            EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(assignment.getVariableName());

            if (writableProperty == null)
            {
                throw new ExprValidationException("Property '" + assignment.getVariableName() + "' is not available for write access");
            }

            wideners[i] = TypeWidenerFactory.getCheckPropertyAssignType(assignment.getExpression().toExpressionString(), assignment.getExpression().getExprEvaluator().getType(),
                    writableProperty.getPropertyType(), assignment.getVariableName());
            properties.add(assignment.getVariableName());
        }

        // check copy-able
        EventBeanCopyMethod copyMethod = eventTypeSPI.getCopyMethod(properties.toArray(new String[properties.size()]));
        if (copyMethod == null)
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Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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            List<String> properties = new ArrayList<String>();
            ExprNode[] expressions = new ExprNode[entry.getKey().getAssignments().size()];
            for (int i = 0; i < entry.getKey().getAssignments().size(); i++)
            {
                OnTriggerSetAssignment assignment = entry.getKey().getAssignments().get(i);
                expressions[i] = assignment.getExpression();
                properties.add(assignment.getVariableName());
                eventPropertiesWritten.add(assignment.getVariableName());
            }
            EventBeanWriter writer = eventTypeSPI.getWriter(properties.toArray(new String[properties.size()]));
            desc.add(new InternalEventRouterEntry(priority, isDrop, entry.getKey().getOptionalWhereClause(), expressions, writer, entry.getValue().getWideners(), entry.getValue().getOutputView()));
        }
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Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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        List<NamedWindowUpdateItem> updateItems = new ArrayList<NamedWindowUpdateItem>();
        List<String> properties = new ArrayList<String>();

        for (int i = 0; i < assignments.size(); i++)
        {
            OnTriggerSetAssignment assignment = assignments.get(i);
            NamedWindowUpdateItem updateItem;

            // determine whether this is a "property=value" assignment, we use property setters in this case
            Pair<String, ExprNode> possibleAssignment = ExprNodeUtility.checkGetAssignmentToProp(assignment.getExpression());

            // handle assignment "property = value"
            if (possibleAssignment != null) {

                String propertyName = possibleAssignment.getFirst();
                EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(propertyName);

                // check assignment to indexed or mapped property
                if (writableProperty == null) {
                    Pair<String, EventPropertyDescriptor> nameWriteablePair = checkIndexedOrMappedProp(possibleAssignment.getFirst(), namedWindowName, namedWindowAlias, eventTypeSPI);
                    propertyName = nameWriteablePair.getFirst();
                    writableProperty = nameWriteablePair.getSecond();
                }

                ExprEvaluator evaluator = possibleAssignment.getSecond().getExprEvaluator();
                EventPropertyWriter writers = eventTypeSPI.getWriter(propertyName);
                boolean notNullableField = writableProperty.getPropertyType().isPrimitive();

                properties.add(propertyName);
                TypeWidener widener = TypeWidenerFactory.getCheckPropertyAssignType(ExprNodeUtility.toExpressionStringMinPrecedence(possibleAssignment.getSecond()), possibleAssignment.getSecond().getExprEvaluator().getType(),
                        writableProperty.getPropertyType(), propertyName);

                // check event type assignment
                if (optionalTriggeringEventType != null && possibleAssignment.getSecond() instanceof ExprIdentNode) {
                    ExprIdentNode node = (ExprIdentNode) possibleAssignment.getSecond();
                    FragmentEventType fragmentRHS = optionalTriggeringEventType.getFragmentType(node.getResolvedPropertyName());
                    FragmentEventType fragmentLHS = eventTypeSPI.getFragmentType(possibleAssignment.getFirst());
                    if (fragmentRHS != null && fragmentLHS != null && !EventTypeUtility.isTypeOrSubTypeOf(fragmentRHS.getFragmentType(), fragmentLHS.getFragmentType())) {
                        throw new ExprValidationException("Invalid assignment to property '" +
                            possibleAssignment.getFirst() + "' event type '" + fragmentLHS.getFragmentType().getName() +
                            "' from event type '" + fragmentRHS.getFragmentType().getName() + "'");
                    }
                }

                updateItem = new NamedWindowUpdateItem(evaluator, propertyName, writers, notNullableField, widener);
            }
            // handle non-assignment, i.e. UDF or other expression
            else {
                ExprEvaluator evaluator = assignment.getExpression().getExprEvaluator();
                updateItem = new NamedWindowUpdateItem(evaluator, null, null, false, null);
            }

            updateItems.add(updateItem);
        }
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Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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        TypeWidener[] wideners = new TypeWidener[desc.getAssignments().size()];
        List<String> properties = new ArrayList<String>();
        for (int i = 0; i < desc.getAssignments().size(); i++)
        {
            OnTriggerSetAssignment assignment = desc.getAssignments().get(i);
            EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(assignment.getVariableName());

            if (writableProperty == null)
            {
                throw new ExprValidationException("Property '" + assignment.getVariableName() + "' is not available for write access");
            }

            wideners[i] = TypeWidenerFactory.getCheckPropertyAssignType(assignment.getExpression().toExpressionString(), assignment.getExpression().getExprEvaluator().getType(),
                    writableProperty.getPropertyType(), assignment.getVariableName());
            properties.add(assignment.getVariableName());
        }

        // check copy-able
        EventBeanCopyMethod copyMethod = eventTypeSPI.getCopyMethod(properties.toArray(new String[properties.size()]));
        if (copyMethod == null)
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Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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            List<String> properties = new ArrayList<String>();
            ExprNode[] expressions = new ExprNode[entry.getKey().getAssignments().size()];
            for (int i = 0; i < entry.getKey().getAssignments().size(); i++)
            {
                OnTriggerSetAssignment assignment = entry.getKey().getAssignments().get(i);
                expressions[i] = assignment.getExpression();
                properties.add(assignment.getVariableName());
                eventPropertiesWritten.add(assignment.getVariableName());
            }
            EventBeanWriter writer = eventTypeSPI.getWriter(properties.toArray(new String[properties.size()]));
            desc.add(new InternalEventRouterEntry(priority, isDrop, entry.getKey().getOptionalWhereClause(), expressions, writer, entry.getValue().getWideners(), entry.getValue().getOutputView()));
        }
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Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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            Tree childNode = node.getChild(i);
            String variableName = ASTFilterSpecHelper.getPropertyName(childNode.getChild(0), 0);
            ExprNode childEvalNode = astExprNodeMap.get(childNode.getChild(1));
            astExprNodeMap.remove(childNode.getChild(1));
            assignments.add(new OnTriggerSetAssignment(variableName, childEvalNode));
        }
        return assignments;
    }
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