com.espertech.esper.filter

Class FilterSpecParamIn

java.lang.Object

com.espertech.esper.filter.FilterSpecParam

com.espertech.esper.filter.FilterSpecParamIn

All Implemented Interfaces:

MetaDefItem, Serializable

public final class FilterSpecParamIn
extends FilterSpecParam

This class represents a 'in' filter parameter in an FilterSpecCompiled filter specification.

The 'in' checks for a list of values.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.espertech.esper.filter.FilterSpecParam

EMPTY_PARAM_ARRAY, lookupable

Constructor Summary

Constructors

Constructor and Description
FilterSpecParamIn(FilterSpecLookupable lookupable, FilterOperator filterOperator, List<FilterSpecParamInValue> listofValues) Ctor.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
Object	getFilterValue(MatchedEventMap matchedEvents, AgentInstanceContext agentInstanceContext) Return the filter parameter constant to filter for.
List<FilterSpecParamInValue>	getListOfValues() Returns the list of values we are asking to match.
int	hashCode()
String	toString()

Methods inherited from class com.espertech.esper.filter.FilterSpecParam

getFilterOperator, getLookupable, toArray

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FilterSpecParamIn

public FilterSpecParamIn(FilterSpecLookupable lookupable,
                         FilterOperator filterOperator,
                         List<FilterSpecParamInValue> listofValues)
                  throws IllegalArgumentException

Ctor.

Parameters:

lookupable - is the event property or function

filterOperator - is expected to be the IN-list operator

listofValues - is a list of constants and event property names

Throws:

IllegalArgumentException - for illegal args

Method Detail

getFilterValue

public final Object getFilterValue(MatchedEventMap matchedEvents,
                                   AgentInstanceContext agentInstanceContext)

Description copied from class: FilterSpecParam

Return the filter parameter constant to filter for.

Specified by:

getFilterValue in class FilterSpecParam

Parameters:

matchedEvents - is the prior results that can be used to determine filter parameters

agentInstanceContext - context

Returns:

filter parameter constant's value

getListOfValues

public List<FilterSpecParamInValue> getListOfValues()

Returns the list of values we are asking to match.

Returns:

list of filter values

toString

public final String toString()

Overrides:

toString in class FilterSpecParam

equals

public boolean equals(Object obj)

Overrides:

equals in class FilterSpecParam

hashCode

public int hashCode()

Overrides:

hashCode in class FilterSpecParam