com.espertech.esper.filter
Class FilterSpecParamRange

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

All Implemented Interfaces:

MetaDefItem, java.io.Serializable

public final class FilterSpecParamRange
extends FilterSpecParam

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

See Also:

Serialized Form

Field Summary

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

EMPTY_PARAM_ARRAY, lookupable

Constructor Summary

FilterSpecParamRange(FilterSpecLookupable lookupable, FilterOperator filterOperator, FilterSpecParamRangeValue min, FilterSpecParamRangeValue max)
Constructor.

Method Summary

boolean	equals(java.lang.Object obj)
java.lang.Object	getFilterValue(MatchedEventMap matchedEvents, ExprEvaluatorContext evaluatorContext) Return the filter parameter constant to filter for.
FilterSpecParamRangeValue	getMax() Returns the upper endpoint.
FilterSpecParamRangeValue	getMin() Returns the lower endpoint.
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

FilterSpecParamRange

public FilterSpecParamRange(FilterSpecLookupable lookupable,
                            FilterOperator filterOperator,
                            FilterSpecParamRangeValue min,
                            FilterSpecParamRangeValue max)
                     throws java.lang.IllegalArgumentException

Constructor.

Parameters:

lookupable - is the lookupable

filterOperator - is the type of range operator

min - is the begin point of the range

max - is the end point of the range

Throws:

java.lang.IllegalArgumentException - if an operator was supplied that does not take a double range value

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

getMin

public FilterSpecParamRangeValue getMin()

Returns the lower endpoint.

Returns:

lower endpoint

getMax

public FilterSpecParamRangeValue getMax()

Returns the upper endpoint.

Returns:

upper endpoint

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