Package com.espertech.esper.common.internal.epl.expression.table

Class ExprTableAccessNodeTopLevel

java.lang.Object

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

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

com.espertech.esper.common.internal.epl.expression.table.ExprTableAccessNodeTopLevel

All Implemented Interfaces:

ExprEvaluator, ExprForge, ExprForgeInstrumentable, ExprNode, ExprNodeRenderable, ExprTypableReturnEval, ExprTypableReturnForge, ExprValidator

public class ExprTableAccessNodeTopLevel
extends ExprTableAccessNode
implements ExprTypableReturnForge, ExprTypableReturnEval, ExprForge

Field Summary

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

groupKeyEvaluators, strategy, tableMeta, tableName

Fields inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprEvaluator

EPTYPE, EPTYPEARRAY

Constructor Summary

Constructors

Constructor	Description
ExprTableAccessNodeTopLevel(String tableName)

Method Summary

Modifier and Type	Method	Description
protected boolean	equalsNodeInternal(ExprTableAccessNode other)
Object[][]	evaluateTypableMulti(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateTypableMultiCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
Object[]	evaluateTypableSingle(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateTypableSingleCodegen(CodegenMethodScope parent, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
EPTypeClass	getEvaluationType()
ExprEvaluator	getExprEvaluator()
ExprForge	getForge()
protected String	getInstrumentationQName()
protected CodegenExpression[]	getInstrumentationQParams()
LinkedHashMap<String,Object>	getRowProperties()	Return null to indicate no row-type result available, or a map of property names and types to indicate a row-type result is available.
ExprTableEvalStrategyFactoryForge	getTableAccessFactoryForge()
ExprTypableReturnEval	getTypableReturnEvaluator()
Boolean	isMultirow()	Return true for multi-row return, return false for return of single row only
void	toPrecedenceFreeEPL(StringWriter writer, ExprNodeRenderableFlags flags)
protected void	validateBindingInternal(ExprValidationContext validationContext)

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

equalsNode, evaluate, evaluateCodegen, evaluateCodegenUninstrumented, evaluateGetEventBeanCodegen, evaluateGetROCollectionEventsCodegen, evaluateGetROCollectionScalarCodegen, getForgeConstantType, getForgeRenderable, getPrecedence, getTableAccessNumber, getTableMeta, getTableName, makeEvaluate, setTableAccessNumber, toPrecedenceFreeEPLInternal, toPrecedenceFreeEPLInternal, validate, validateGroupKeys, validateSubpropertyGetCol

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

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprEvaluator

evaluate

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

evaluateCodegen, getForgeConstantType, getForgeRenderable

Constructor Details

ExprTableAccessNodeTopLevel

public ExprTableAccessNodeTopLevel(String tableName)

Method Details

getTypableReturnEvaluator

public ExprTypableReturnEval getTypableReturnEvaluator()

validateBindingInternal

protected void validateBindingInternal(ExprValidationContext validationContext)
                                throws ExprValidationException

Specified by:

validateBindingInternal in class ExprTableAccessNode

Throws:

ExprValidationException

getTableAccessFactoryForge

public ExprTableEvalStrategyFactoryForge getTableAccessFactoryForge()

Specified by:

getTableAccessFactoryForge in class ExprTableAccessNode

getEvaluationType

public EPTypeClass getEvaluationType()

Specified by:

getEvaluationType in interface ExprForge

getForge

public ExprForge getForge()

Specified by:

getForge in interface ExprNode

getRowProperties

public LinkedHashMap<String,Object> getRowProperties()
                                              throws ExprValidationException

Description copied from interface: ExprTypableReturnForge

Return null to indicate no row-type result available, or a map of property names and types to indicate a row-type result is available.

Specified by:

getRowProperties in interface ExprTypableReturnForge

Returns:

map of property names and types or null

Throws:

ExprValidationException - if the expression is invalid

isMultirow

public Boolean isMultirow()

Description copied from interface: ExprTypableReturnForge

Return true for multi-row return, return false for return of single row only

Specified by:

isMultirow in interface ExprTypableReturnForge

Returns:

multi-row flag

evaluateTypableSingle

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

Specified by:

evaluateTypableSingle in interface ExprTypableReturnEval

evaluateTypableMulti

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

Specified by:

evaluateTypableMulti in interface ExprTypableReturnEval

evaluateTypableSingleCodegen

public CodegenExpression evaluateTypableSingleCodegen(CodegenMethodScope parent,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

Specified by:

evaluateTypableSingleCodegen in interface ExprTypableReturnForge

evaluateTypableMultiCodegen

public CodegenExpression evaluateTypableMultiCodegen(CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

Specified by:

evaluateTypableMultiCodegen in interface ExprTypableReturnForge

toPrecedenceFreeEPL

public void toPrecedenceFreeEPL(StringWriter writer,
 ExprNodeRenderableFlags flags)

Specified by:

toPrecedenceFreeEPL in class ExprNodeBase

equalsNodeInternal

protected boolean equalsNodeInternal(ExprTableAccessNode other)

Specified by:

equalsNodeInternal in class ExprTableAccessNode

getExprEvaluator

public ExprEvaluator getExprEvaluator()

Specified by:

getExprEvaluator in interface ExprForge

Overrides:

getExprEvaluator in class ExprTableAccessNode

getInstrumentationQName

protected String getInstrumentationQName()

Specified by:

getInstrumentationQName in class ExprTableAccessNode

getInstrumentationQParams

protected CodegenExpression[] getInstrumentationQParams()

Specified by:

getInstrumentationQParams in class ExprTableAccessNode