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

Class AggregationMultiFunctionValidationContext

java.lang.Object

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

public class AggregationMultiFunctionValidationContext
extends java.lang.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(java.lang.String functionName, EventType[] eventTypes, com.espertech.esper.common.internal.epl.expression.core.ExprNode[] parameterExpressions, java.lang.String statementName, com.espertech.esper.common.internal.epl.expression.core.ExprValidationContext validationContext, ConfigurationCompilerPlugInAggregationMultiFunction config, com.espertech.esper.common.internal.epl.expression.core.ExprNode[] allParameterExpressions, com.espertech.esper.common.internal.epl.expression.core.ExprNode optionalFilterExpression) Ctor.

Method Summary

Modifier and Type	Method and Description
com.espertech.esper.common.internal.epl.expression.core.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
java.lang.String	getFunctionName() Returns the aggregation function name
java.util.LinkedHashMap<java.lang.String,java.util.List<com.espertech.esper.common.internal.epl.expression.core.ExprNode>>	getNamedParameters() Gets the named parameters as a list
com.espertech.esper.common.internal.epl.expression.core.ExprNode	getOptionalFilterExpression() Returns the filter expression when provided
com.espertech.esper.common.internal.epl.expression.core.ExprNode[]	getParameterExpressions() Returns positional parameters expressions to this aggregation function.
java.lang.String	getStatementName() Returns the statement name.
com.espertech.esper.common.internal.epl.expression.core.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(java.lang.String functionName,
                                                 EventType[] eventTypes,
                                                 com.espertech.esper.common.internal.epl.expression.core.ExprNode[] parameterExpressions,
                                                 java.lang.String statementName,
                                                 com.espertech.esper.common.internal.epl.expression.core.ExprValidationContext validationContext,
                                                 ConfigurationCompilerPlugInAggregationMultiFunction config,
                                                 com.espertech.esper.common.internal.epl.expression.core.ExprNode[] allParameterExpressions,
                                                 com.espertech.esper.common.internal.epl.expression.core.ExprNode optionalFilterExpression)

Ctor.

Parameters:

functionName - function name

eventTypes - event types

parameterExpressions - expressions

statementName - statement name

validationContext - validation context

config - configuration

allParameterExpressions - all parameters

optionalFilterExpression - optional filter parameter

Method Detail

getFunctionName

public java.lang.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 com.espertech.esper.common.internal.epl.expression.core.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 java.lang.String getStatementName()

Returns the statement name.

Returns:

statement name

getValidationContext

public com.espertech.esper.common.internal.epl.expression.core.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 com.espertech.esper.common.internal.epl.expression.core.ExprNode[] getAllParameterExpressions()

Returns positional and non-positional parameters.

Returns:

all parameters

getOptionalFilterExpression

public com.espertech.esper.common.internal.epl.expression.core.ExprNode getOptionalFilterExpression()

Returns the filter expression when provided

Returns:

filter expression

getNamedParameters

public java.util.LinkedHashMap<java.lang.String,java.util.List<com.espertech.esper.common.internal.epl.expression.core.ExprNode>> getNamedParameters()

Gets the named parameters as a list

Returns:

named params