Class FixedWidthFunction
java.lang.Object
com.yahoo.search.grouping.request.GroupingNode
com.yahoo.search.grouping.request.GroupingExpression
com.yahoo.search.grouping.request.FunctionNode
com.yahoo.search.grouping.request.FixedWidthFunction
- All Implemented Interfaces:
Iterable<GroupingExpression>
This class represents a fixed-width bucket-function in a
GroupingExpression
. It maps the input into the given
number of buckets by the result of the argument expression.- Author:
- Simon Thoresen Hult
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Constructor Summary
ConstructorDescriptionFixedWidthFunction
(GroupingExpression exp, Number width) Constructs a new instance of this class. -
Method Summary
Methods inherited from class com.yahoo.search.grouping.request.FunctionNode
args, asList, asList, asList, getArg, getNumArgs, iterator, resolveLevel, visit
Methods inherited from class com.yahoo.search.grouping.request.GroupingExpression
asImage, asString, getLevel, getLevelOrNull, setLabel
Methods inherited from class com.yahoo.search.grouping.request.GroupingNode
getImage, getLabel, toString
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Methods inherited from interface java.lang.Iterable
forEach, spliterator
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Constructor Details
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FixedWidthFunction
Constructs a new instance of this class.- Parameters:
exp
- The expression to evaluate.width
- The width of each bucket.
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Method Details
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copy
Description copied from class:GroupingExpression
Returns a deep copy of this- Specified by:
copy
in classGroupingExpression
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getWidth
Returns the number of buckets to divide the result into.- Returns:
- The bucket count.
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