Package com.espertech.esper.epl.spec

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

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            }

            // handle stream wildcards by outputting the stream underlying event
            else if (element instanceof SelectClauseStreamCompiledSpec)
            {
                final SelectClauseStreamCompiledSpec streamSpec = (SelectClauseStreamCompiledSpec) element;
                final Class returnType = typesPerStream[streamSpec.getStreamNumber()].getUnderlyingType();

                expressions.add(new ExprEvaluator() {

                    public Object evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext)
                    {
                        EventBean theEvent = eventsPerStream[streamSpec.getStreamNumber()];
                        if (theEvent != null)
                        {
                            return theEvent.getUnderlying();
                        }
                        else
                        {
                            return null;
                        }
                    }

                    public Class getType()
                    {
                        return returnType;
                    }

                    public Map<String, Object> getEventType() {
                        return null;
                    }
                });
                types.add(returnType);
                columnNames.add(streamNames[streamSpec.getStreamNumber()]);
            }

            // handle expressions
            else if (element instanceof SelectClauseExprCompiledSpec)
            {
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            if((isUsingWildcard) || (!unnamedStreams.isEmpty()))
            {
                if (!unnamedStreams.isEmpty())
                {
                    if (unnamedStreams.get(0).getStreamSelected() != null) {
                        SelectClauseStreamCompiledSpec streamSpec = unnamedStreams.get(0).getStreamSelected();

                        // the tag.* syntax for :  select tag.* from pattern [tag = A]
                        underlyingStreamNumber = streamSpec.getStreamNumber();
                        if (streamSpec.isFragmentEvent())
                        {
                            EventType compositeMap = typeService.getEventTypes()[underlyingStreamNumber];
                            FragmentEventType fragment = compositeMap.getFragmentType(streamSpec.getStreamName());
                            underlyingEventType = fragment.getFragmentType();
                            underlyingIsFragmentEvent = true;
                        }
                        // the property.* syntax for :  select property.* from A
                        else if (streamSpec.isProperty())
                        {
                            String propertyName = streamSpec.getStreamName();
                            Class propertyType = streamSpec.getPropertyType();
                            int streamNumber = streamSpec.getStreamNumber();

                            if (JavaClassHelper.isJavaBuiltinDataType(streamSpec.getPropertyType()))
                            {
                                throw new ExprValidationException("The property wildcard syntax cannot be used on built-in types as returned by property '" + propertyName + "'");
                            }

                            // create or get an underlying type for that Class
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            if((isUsingWildcard) || (!unnamedStreams.isEmpty()))
            {
                if (!unnamedStreams.isEmpty())
                {
                    if (unnamedStreams.get(0).getStreamSelected() != null) {
                        SelectClauseStreamCompiledSpec streamSpec = unnamedStreams.get(0).getStreamSelected();

                        // the tag.* syntax for :  select tag.* from pattern [tag = A]
                        underlyingStreamNumber = streamSpec.getStreamNumber();
                        if (streamSpec.isFragmentEvent())
                        {
                            EventType compositeMap = typeService.getEventTypes()[underlyingStreamNumber];
                            FragmentEventType fragment = compositeMap.getFragmentType(streamSpec.getStreamName());
                            underlyingEventType = fragment.getFragmentType();
                            underlyingIsFragmentEvent = true;
                        }
                        // the property.* syntax for :  select property.* from A
                        else if (streamSpec.isProperty())
                        {
                            String propertyName = streamSpec.getStreamName();
                            Class propertyType = streamSpec.getPropertyType();
                            int streamNumber = streamSpec.getStreamNumber();

                            if (JavaClassHelper.isJavaBuiltinDataType(streamSpec.getPropertyType()))
                            {
                                throw new ExprValidationException("The property wildcard syntax cannot be used on built-in types as returned by property '" + propertyName + "'");
                            }

                            // create or get an underlying type for that Class
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            if((isUsingWildcard) || (!unnamedStreams.isEmpty()))
            {
                if (!unnamedStreams.isEmpty())
                {
                    if (unnamedStreams.get(0).getStreamSelected() != null) {
                        SelectClauseStreamCompiledSpec streamSpec = unnamedStreams.get(0).getStreamSelected();

                        // the tag.* syntax for :  select tag.* from pattern [tag = A]
                        underlyingStreamNumber = streamSpec.getStreamNumber();
                        if (streamSpec.isFragmentEvent())
                        {
                            EventType compositeMap = typeService.getEventTypes()[underlyingStreamNumber];
                            FragmentEventType fragment = compositeMap.getFragmentType(streamSpec.getStreamName());
                            underlyingEventType = fragment.getFragmentType();
                            underlyingIsFragmentEvent = true;
                        }
                        // the property.* syntax for :  select property.* from A
                        else if (streamSpec.isProperty())
                        {
                            String propertyName = streamSpec.getStreamName();
                            Class propertyType = streamSpec.getPropertyType();
                            int streamNumber = streamSpec.getStreamNumber();

                            if (JavaClassHelper.isJavaBuiltinDataType(streamSpec.getPropertyType()))
                            {
                                throw new ExprValidationException("The property wildcard syntax cannot be used on built-in types as returned by property '" + propertyName + "'");
                            }

                            // create or get an underlying type for that Class
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            if((isUsingWildcard) || (!unnamedStreams.isEmpty()))
            {
                if (!unnamedStreams.isEmpty())
                {
                    if (unnamedStreams.get(0).getStreamSelected() != null) {
                        SelectClauseStreamCompiledSpec streamSpec = unnamedStreams.get(0).getStreamSelected();

                        // the tag.* syntax for :  select tag.* from pattern [tag = A]
                        underlyingStreamNumber = streamSpec.getStreamNumber();
                        if (streamSpec.isFragmentEvent())
                        {
                            EventType compositeMap = typeService.getEventTypes()[underlyingStreamNumber];
                            FragmentEventType fragment = compositeMap.getFragmentType(streamSpec.getStreamName());
                            underlyingEventType = fragment.getFragmentType();
                            underlyingIsFragmentEvent = true;
                        }
                        // the property.* syntax for :  select property.* from A
                        else if (streamSpec.isProperty())
                        {
                            String propertyName = streamSpec.getStreamName();
                            Class propertyType = streamSpec.getPropertyType();
                            int streamNumber = streamSpec.getStreamNumber();

                            if (JavaClassHelper.isJavaBuiltinDataType(streamSpec.getPropertyType()))
                            {
                                throw new ExprValidationException("The property wildcard syntax cannot be used on built-in types as returned by property '" + propertyName + "'");
                            }

                            // create or get an underlying type for that Class
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            }

            // handle stream wildcards by outputting the stream underlying event
            else if (element instanceof SelectClauseStreamCompiledSpec)
            {
                final SelectClauseStreamCompiledSpec streamSpec = (SelectClauseStreamCompiledSpec) element;
                final Class returnType = typesPerStream[streamSpec.getStreamNumber()].getUnderlyingType();

                expressions.add(new ExprEvaluator() {

                    public Object evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext)
                    {
                        EventBean event = eventsPerStream[streamSpec.getStreamNumber()];
                        if (event != null)
                        {
                            return event.getUnderlying();
                        }
                        else
                        {
                            return null;
                        }
                    }

                    public Class getType()
                    {
                        return returnType;
                    }

                    public Map<String, Object> getEventType() {
                        return null;
                    }
                });
                types.add(returnType);
                columnNames.add(streamNames[streamSpec.getStreamNumber()]);
            }

            // handle expressions
            else if (element instanceof SelectClauseExprCompiledSpec)
            {
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            if((isUsingWildcard) || (!unnamedStreams.isEmpty()))
            {
                if (!unnamedStreams.isEmpty())
                {
                    if (unnamedStreams.get(0).getStreamSelected() != null) {
                        SelectClauseStreamCompiledSpec streamSpec = unnamedStreams.get(0).getStreamSelected();

                        // the tag.* syntax for :  select tag.* from pattern [tag = A]
                        underlyingStreamNumber = streamSpec.getStreamNumber();
                        if (streamSpec.isFragmentEvent())
                        {
                            EventType compositeMap = typeService.getEventTypes()[underlyingStreamNumber];
                            FragmentEventType fragment = compositeMap.getFragmentType(streamSpec.getStreamName());
                            underlyingEventType = fragment.getFragmentType();
                            underlyingIsFragmentEvent = true;
                        }
                        // the property.* syntax for :  select property.* from A
                        else if (streamSpec.isProperty())
                        {
                            String propertyName = streamSpec.getStreamName();
                            Class propertyType = streamSpec.getPropertyType();
                            int streamNumber = streamSpec.getStreamNumber();

                            if (JavaClassHelper.isJavaBuiltinDataType(streamSpec.getPropertyType()))
                            {
                                throw new ExprValidationException("The property wildcard syntax cannot be used on built-in types as returned by property '" + propertyName + "'");
                            }

                            // create or get an underlying type for that Class
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            if((isUsingWildcard) || (!unnamedStreams.isEmpty()))
            {
                if (!unnamedStreams.isEmpty())
                {
                    if (unnamedStreams.get(0).getStreamSelected() != null) {
                        SelectClauseStreamCompiledSpec streamSpec = unnamedStreams.get(0).getStreamSelected();

                        // the tag.* syntax for :  select tag.* from pattern [tag = A]
                        underlyingStreamNumber = streamSpec.getStreamNumber();
                        if (streamSpec.isFragmentEvent())
                        {
                            EventType compositeMap = typeService.getEventTypes()[underlyingStreamNumber];
                            FragmentEventType fragment = compositeMap.getFragmentType(streamSpec.getStreamName());
                            underlyingEventType = fragment.getFragmentType();
                            underlyingIsFragmentEvent = true;
                        }
                        // the property.* syntax for :  select property.* from A
                        else if (streamSpec.isProperty())
                        {
                            String propertyName = streamSpec.getStreamName();
                            Class propertyType = streamSpec.getPropertyType();
                            int streamNumber = streamSpec.getStreamNumber();

                            if (JavaClassHelper.isJavaBuiltinDataType(streamSpec.getPropertyType()))
                            {
                                throw new ExprValidationException("The property wildcard syntax cannot be used on built-in types as returned by property '" + propertyName + "'");
                            }

                            // create or get an underlying type for that Class
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            }

            // handle stream wildcards by outputting the stream underlying event
            else if (element instanceof SelectClauseStreamCompiledSpec)
            {
                final SelectClauseStreamCompiledSpec streamSpec = (SelectClauseStreamCompiledSpec) element;
                final Class returnType = typesPerStream[streamSpec.getStreamNumber()].getUnderlyingType();

                expressions.add(new ExprEvaluator() {

                    public Object evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext)
                    {
                        EventBean theEvent = eventsPerStream[streamSpec.getStreamNumber()];
                        if (theEvent != null)
                        {
                            return theEvent.getUnderlying();
                        }
                        else
                        {
                            return null;
                        }
                    }

                    public Class getType()
                    {
                        return returnType;
                    }

                });
                types.add(returnType);
                columnNames.add(streamNames[streamSpec.getStreamNumber()]);
            }

            // handle expressions
            else if (element instanceof SelectClauseExprCompiledSpec)
            {
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            if((isUsingWildcard) || (!unnamedStreams.isEmpty()))
            {
                if (!unnamedStreams.isEmpty())
                {
                    if (unnamedStreams.get(0).getStreamSelected() != null) {
                        SelectClauseStreamCompiledSpec streamSpec = unnamedStreams.get(0).getStreamSelected();

                        // the tag.* syntax for :  select tag.* from pattern [tag = A]
                        underlyingStreamNumber = streamSpec.getStreamNumber();
                        if (streamSpec.isFragmentEvent())
                        {
                            EventType compositeMap = typeService.getEventTypes()[underlyingStreamNumber];
                            FragmentEventType fragment = compositeMap.getFragmentType(streamSpec.getStreamName());
                            underlyingEventType = fragment.getFragmentType();
                            underlyingIsFragmentEvent = true;
                        }
                        // the property.* syntax for :  select property.* from A
                        else if (streamSpec.isProperty())
                        {
                            String propertyName = streamSpec.getStreamName();
                            Class propertyType = streamSpec.getPropertyType();
                            int streamNumber = streamSpec.getStreamNumber();

                            if (JavaClassHelper.isJavaBuiltinDataType(streamSpec.getPropertyType()))
                            {
                                throw new ExprValidationException("The property wildcard syntax cannot be used on built-in types as returned by property '" + propertyName + "'");
                            }

                            // create or get an underlying type for that Class
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Related Classes of com.espertech.esper.epl.spec.SelectClauseStreamCompiledSpec

  • com.espertech.esper.epl.core.BindProcessor
  • com.espertech.esper.epl.core.SelectExprProcessorHelper
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