com.espertech.esper.common.client.hook.aggmultifunc

Class AggregationMultiFunctionValidationContext

java.lang.Object

com.espertech.esper.common.client.hook.aggmultifunc.AggregationMultiFunctionValidationContext

public class AggregationMultiFunctionValidationContext
extends Object

Context for use with AggregationFunctionForge provides information about an aggregation function at the time of validation.

At validation time the event type information, parameter expressions and other statement-specific services are available.

Constructor Summary

Constructors

Constructor and Description
AggregationMultiFunctionValidationContext(String functionName, EventType[] eventTypes, ExprNode[] parameterExpressions, String statementName, ExprValidationContext validationContext, ConfigurationCompilerPlugInAggregationMultiFunction config, TableMetadataColumnAggregation optionalTableColumnRead, ExprNode[] allParameterExpressions, ExprNode optionalFilterExpression) Ctor.

Method Summary

Modifier and Type	Method and Description
ExprNode[]	getAllParameterExpressions() Returns positional and non-positional parameters.
ConfigurationCompilerPlugInAggregationMultiFunction	getConfig() Returns the original configuration object for the aggregation multi-function
EventType[]	getEventTypes() Returns the event types of all events in the select clause
String	getFunctionName() Returns the aggregation function name
LinkedHashMap<String,List<ExprNode>>	getNamedParameters() Gets the named parameters as a list
ExprNode	getOptionalFilterExpression() Returns the filter expression when provided
TableMetadataColumnAggregation	getOptionalTableColumnRead() Returns table column information when used with tables
ExprNode[]	getParameterExpressions() Returns positional parameters expressions to this aggregation function.
String	getStatementName() Returns the statement name.
ExprValidationContext	getValidationContext() Returns additional validation contextual services.

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationMultiFunctionValidationContext

public AggregationMultiFunctionValidationContext(String functionName,
                                                 EventType[] eventTypes,
                                                 ExprNode[] parameterExpressions,
                                                 String statementName,
                                                 ExprValidationContext validationContext,
                                                 ConfigurationCompilerPlugInAggregationMultiFunction config,
                                                 TableMetadataColumnAggregation optionalTableColumnRead,
                                                 ExprNode[] allParameterExpressions,
                                                 ExprNode optionalFilterExpression)

Ctor.

Parameters:

functionName - function name

eventTypes - event types

parameterExpressions - expressions

statementName - statement name

validationContext - validation context

config - configuration

optionalTableColumnRead - optional table column name

allParameterExpressions - all parameters

optionalFilterExpression - optional filter parameter

Method Detail

getFunctionName

public String getFunctionName()

Returns the aggregation function name

Returns:

aggregation function name

getEventTypes

public EventType[] getEventTypes()

Returns the event types of all events in the select clause

Returns:

types

getParameterExpressions

public ExprNode[] getParameterExpressions()

Returns positional parameters expressions to this aggregation function. Use getAllParameterExpressions() for a list of all parameters including non-positional parameters.

Returns:

positional parameter expressions

getStatementName

public String getStatementName()

Returns the statement name.

Returns:

statement name

getValidationContext

public ExprValidationContext getValidationContext()

Returns additional validation contextual services.

Returns:

validation context

getConfig

public ConfigurationCompilerPlugInAggregationMultiFunction getConfig()

Returns the original configuration object for the aggregation multi-function

Returns:

config

getAllParameterExpressions

public ExprNode[] getAllParameterExpressions()

Returns positional and non-positional parameters.

Returns:

all parameters

getOptionalFilterExpression

public ExprNode getOptionalFilterExpression()

Returns the filter expression when provided

Returns:

filter expression

getOptionalTableColumnRead

public TableMetadataColumnAggregation getOptionalTableColumnRead()

Returns table column information when used with tables

Returns:

table column

getNamedParameters

public LinkedHashMap<String,List<ExprNode>> getNamedParameters()

Gets the named parameters as a list

Returns:

named params