com.espertech.esper.plugin

Class PlugInAggregationMultiFunctionDeclarationContext

java.lang.Object

com.espertech.esper.plugin.PlugInAggregationMultiFunctionDeclarationContext

public class PlugInAggregationMultiFunctionDeclarationContext
extends Object

Context for use with PlugInAggregationMultiFunctionFactory provides information about an aggregation function at the time of declaration.

Declaration means when the aggregation function is discovered at the time of parsing an EPL statement. Or when using statement object model then at the time of mapping the object model to the internal statement representation.

Constructor Summary

Constructors

Constructor and Description
PlugInAggregationMultiFunctionDeclarationContext(String functionName, boolean distinct, String engineURI, ConfigurationPlugInAggregationMultiFunction configuration) Ctor.

Method Summary

Modifier and Type	Method and Description
ConfigurationPlugInAggregationMultiFunction	getConfiguration() Returns the configuration provided when the aggregation multi-functions where registered.
String	getEngineURI() Returns the engine uri.
String	getFunctionName() Returns the aggregation function name.
boolean	isDistinct() Returns a flag whether the "distinct" keyword was provided.

Methods inherited from class java.lang.Object

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

Constructor Detail

PlugInAggregationMultiFunctionDeclarationContext

public PlugInAggregationMultiFunctionDeclarationContext(String functionName,
                                                        boolean distinct,
                                                        String engineURI,
                                                        ConfigurationPlugInAggregationMultiFunction configuration)

Ctor.

Parameters:

functionName - provides the aggregation multi-function name

distinct - flag whether the "distinct" keyword was provided.

engineURI - the engine URI

configuration - the configuration provided when the aggregation multi-functions where registered

Method Detail

isDistinct

public boolean isDistinct()

Returns a flag whether the "distinct" keyword was provided.

Returns:

distinct flag

getEngineURI

public String getEngineURI()

Returns the engine uri.

Returns:

engine uri

getFunctionName

public String getFunctionName()

Returns the aggregation function name.

Returns:

function name

getConfiguration

public ConfigurationPlugInAggregationMultiFunction getConfiguration()

Returns the configuration provided when the aggregation multi-functions where registered.

Returns:

configuration