com.espertech.esper.filter
Class FilterSpecParamIn

java.lang.Object
  com.espertech.esper.filter.FilterSpecParam
      com.espertech.esper.filter.FilterSpecParamIn

All Implemented Interfaces:

MetaDefItem, java.io.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

FilterSpecParamIn(FilterSpecLookupable lookupable, FilterOperator filterOperator, java.util.List<FilterSpecParamInValue> listofValues)
Ctor.

Method Summary

boolean	equals(java.lang.Object obj)
java.lang.Object	getFilterValue(MatchedEventMap matchedEvents, ExprEvaluatorContext evaluatorContext) Return the filter parameter constant to filter for.
java.util.List<FilterSpecParamInValue>	getListOfValues() Returns the list of values we are asking to match.
int	hashCode()
java.lang.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,
                         java.util.List<FilterSpecParamInValue> listofValues)
                  throws java.lang.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:

java.lang.IllegalArgumentException - for illegal args

Method Detail

getFilterValue

public final java.lang.Object getFilterValue(MatchedEventMap matchedEvents,
                                             ExprEvaluatorContext evaluatorContext)

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

Returns:

filter parameter constant's value

getListOfValues

public java.util.List<FilterSpecParamInValue> getListOfValues()

Returns the list of values we are asking to match.

Returns:

list of filter values

toString

public final java.lang.String toString()

Overrides:

toString in class FilterSpecParam

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class FilterSpecParam

hashCode

public int hashCode()

Overrides:

hashCode in class FilterSpecParam