com.espertech.esper.epl.expression.table

Class ExprTableAccessNodeSubpropAccessor

java.lang.Object

com.espertech.esper.epl.expression.core.ExprNodeBase

com.espertech.esper.epl.expression.table.ExprTableAccessNode

com.espertech.esper.epl.expression.table.ExprTableAccessNodeSubpropAccessor

All Implemented Interfaces:

ExprEnumerationEval, ExprEnumerationForge, ExprEvaluator, ExprForge, ExprNode, ExprNodeRenderable, ExprValidator, MetaDefItem, Serializable

public class ExprTableAccessNodeSubpropAccessor
extends ExprTableAccessNode
implements ExprEvaluator, ExprEnumerationForge, ExprEnumerationEval, ExprForge

See Also:

Serialized Form

Field Summary

Fields inherited from class com.espertech.esper.epl.expression.table.ExprTableAccessNode

groupKeyEvaluators, strategy, tableName

Constructor Summary

Constructors

Constructor and Description
ExprTableAccessNodeSubpropAccessor(String tableName, String subpropName, ExprNode aggregateAccessMultiValueNode)

Method Summary

Modifier and Type	Method and Description
protected boolean	equalsNodeInternal(ExprTableAccessNode other)
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext) Evaluate event tuple and return result.
CodegenExpression	evaluateCodegen(CodegenParamSetExprPremade params, CodegenContext context)
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetEventBeanCodegen(CodegenParamSetExprPremade params, CodegenContext context)
Collection<EventBean>	evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionEventsCodegen(CodegenParamSetExprPremade params, CodegenContext context)
Collection	evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionScalarCodegen(CodegenParamSetExprPremade params, CodegenContext context)
AggregationAccessor	getAccessor()
ExprAggregateNodeBase	getAggregateAccessMultiValueNode()
ExprForgeComplexityEnum	getComplexity()
Class	getComponentTypeCollection()
Class	getEvaluationType()
EventType	getEventTypeCollection(EventAdapterService eventAdapterService, int statementId)
EventType	getEventTypeSingle(EventAdapterService eventAdapterService, int statementId)
ExprEvaluator	getExprEvaluator()
ExprEnumerationEval	getExprEvaluatorEnumeration()
ExprForge	getForge()
String	getSubpropName()
void	toPrecedenceFreeEPL(StringWriter writer)
protected void	validateBindingInternal(ExprValidationContext validationContext, TableMetadata tableMetadata)

Methods inherited from class com.espertech.esper.epl.expression.table.ExprTableAccessNode

equalsNode, getForgeRenderable, getGroupKeyEvaluators, getPrecedence, getTableName, hashCode, isConstantResult, setStrategy, toPrecedenceFreeEPLInternal, toPrecedenceFreeEPLInternal, validate, validateGroupKeys, validateSubpropertyGetCol

Methods inherited from class com.espertech.esper.epl.expression.core.ExprNodeBase

accept, accept, acceptChildnodes, addChildNode, addChildNodes, addChildNodeToFront, getChildNodes, replaceUnlistedChildNode, setChildNode, setChildNodes, toEPL

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.espertech.esper.epl.expression.core.ExprEnumerationForge

getForgeRenderable

Methods inherited from interface com.espertech.esper.epl.expression.core.ExprForge

getForgeRenderable

Constructor Detail

ExprTableAccessNodeSubpropAccessor

public ExprTableAccessNodeSubpropAccessor(String tableName,
                                          String subpropName,
                                          ExprNode aggregateAccessMultiValueNode)

Method Detail

getAggregateAccessMultiValueNode

public ExprAggregateNodeBase getAggregateAccessMultiValueNode()

getExprEvaluator

public ExprEvaluator getExprEvaluator()

Specified by:

getExprEvaluator in interface ExprForge

evaluateCodegen

public CodegenExpression evaluateCodegen(CodegenParamSetExprPremade params,
                                         CodegenContext context)

Specified by:

evaluateCodegen in interface ExprForge

getComplexity

public ExprForgeComplexityEnum getComplexity()

Specified by:

getComplexity in interface ExprForge

getForge

public ExprForge getForge()

Specified by:

getForge in interface ExprNode

getEvaluationType

public Class getEvaluationType()

Specified by:

getEvaluationType in interface ExprForge

getAccessor

public AggregationAccessor getAccessor()

getExprEvaluatorEnumeration

public ExprEnumerationEval getExprEvaluatorEnumeration()

Specified by:

getExprEvaluatorEnumeration in interface ExprEnumerationForge

evaluateGetROCollectionEventsCodegen

public CodegenExpression evaluateGetROCollectionEventsCodegen(CodegenParamSetExprPremade params,
                                                              CodegenContext context)

Specified by:

evaluateGetROCollectionEventsCodegen in interface ExprEnumerationForge

evaluateGetROCollectionScalarCodegen

public CodegenExpression evaluateGetROCollectionScalarCodegen(CodegenParamSetExprPremade params,
                                                              CodegenContext context)

Specified by:

evaluateGetROCollectionScalarCodegen in interface ExprEnumerationForge

evaluateGetEventBeanCodegen

public CodegenExpression evaluateGetEventBeanCodegen(CodegenParamSetExprPremade params,
                                                     CodegenContext context)

Specified by:

evaluateGetEventBeanCodegen in interface ExprEnumerationForge

validateBindingInternal

protected void validateBindingInternal(ExprValidationContext validationContext,
                                       TableMetadata tableMetadata)
                                throws ExprValidationException

Specified by:

validateBindingInternal in class ExprTableAccessNode

Throws:

ExprValidationException

evaluate

public Object evaluate(EventBean[] eventsPerStream,
                       boolean isNewData,
                       ExprEvaluatorContext exprEvaluatorContext)

Description copied from interface: ExprEvaluator

Evaluate event tuple and return result.

Specified by:

evaluate in interface ExprEvaluator

Parameters:

eventsPerStream - - event tuple

isNewData - - indicates whether we are dealing with new data (istream) or old data (rstream)

exprEvaluatorContext - context for expression evaluation

Returns:

evaluation result, a boolean value for OR/AND-type evalution nodes.

getSubpropName

public String getSubpropName()

getEventTypeCollection

public EventType getEventTypeCollection(EventAdapterService eventAdapterService,
                                        int statementId)
                                 throws ExprValidationException

Specified by:

getEventTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

evaluateGetROCollectionEvents

public Collection<EventBean> evaluateGetROCollectionEvents(EventBean[] eventsPerStream,
                                                           boolean isNewData,
                                                           ExprEvaluatorContext context)

Specified by:

evaluateGetROCollectionEvents in interface ExprEnumerationEval

getComponentTypeCollection

public Class getComponentTypeCollection()
                                 throws ExprValidationException

Specified by:

getComponentTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

evaluateGetROCollectionScalar

public Collection evaluateGetROCollectionScalar(EventBean[] eventsPerStream,
                                                boolean isNewData,
                                                ExprEvaluatorContext context)

Specified by:

evaluateGetROCollectionScalar in interface ExprEnumerationEval

getEventTypeSingle

public EventType getEventTypeSingle(EventAdapterService eventAdapterService,
                                    int statementId)
                             throws ExprValidationException

Specified by:

getEventTypeSingle in interface ExprEnumerationForge

Throws:

ExprValidationException

evaluateGetEventBean

public EventBean evaluateGetEventBean(EventBean[] eventsPerStream,
                                      boolean isNewData,
                                      ExprEvaluatorContext context)

Specified by:

evaluateGetEventBean in interface ExprEnumerationEval

toPrecedenceFreeEPL

public void toPrecedenceFreeEPL(StringWriter writer)

Specified by:

toPrecedenceFreeEPL in class ExprNodeBase

equalsNodeInternal

protected boolean equalsNodeInternal(ExprTableAccessNode other)

Specified by:

equalsNodeInternal in class ExprTableAccessNode