Package com.yahoo.searchlib.aggregation
Class CountAggregationResult
- java.lang.Object
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- com.yahoo.vespa.objects.Selectable
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- com.yahoo.vespa.objects.Identifiable
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- com.yahoo.searchlib.expression.ExpressionNode
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- com.yahoo.searchlib.aggregation.AggregationResult
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- com.yahoo.searchlib.aggregation.CountAggregationResult
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- All Implemented Interfaces:
Serializable
,Cloneable
public class CountAggregationResult extends AggregationResult
This is an aggregated result holding the number of aggregated hits.- Author:
- baldersheim, Simon Thoresen Hult
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description static int
classId
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Constructor Summary
Constructors Constructor Description CountAggregationResult()
Constructs an empty result node.CountAggregationResult(long count)
Constructs an instance of this class with given count value.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected boolean
equalsAggregation(AggregationResult obj)
long
getCount()
Returns the number of aggregated hits.ResultNode
getRank()
Returns a value that can be used for ranking.int
hashCode()
protected void
onDeserialize(com.yahoo.vespa.objects.Deserializer buf)
protected int
onGetClassId()
protected void
onMerge(AggregationResult result)
Mmust be implemented by subclasses to support merge.protected void
onSerialize(com.yahoo.vespa.objects.Serializer buf)
CountAggregationResult
setCount(long count)
Sets the number of aggregated hits.void
visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)
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Methods inherited from class com.yahoo.searchlib.aggregation.AggregationResult
clone, equalsExpression, getExpression, getResult, getTag, merge, onExecute, onPrepare, postMerge, setExpression, setTag
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Methods inherited from class com.yahoo.searchlib.expression.ExpressionNode
equals, execute, executeIterative, onArgument, prepare
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Constructor Detail
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CountAggregationResult
public CountAggregationResult()
Constructs an empty result node. NOTE: This instance is broken until non-optional member data is set.
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CountAggregationResult
public CountAggregationResult(long count)
Constructs an instance of this class with given count value.- Parameters:
count
- The initial number of hits.
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Method Detail
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getCount
public final long getCount()
Returns the number of aggregated hits.- Returns:
- The count.
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setCount
public final CountAggregationResult setCount(long count)
Sets the number of aggregated hits.- Parameters:
count
- The count.- Returns:
- This, to allow chaining.
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getRank
public ResultNode getRank()
Description copied from class:AggregationResult
Returns a value that can be used for ranking.- Specified by:
getRank
in classAggregationResult
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onMerge
protected void onMerge(AggregationResult result)
Description copied from class:AggregationResult
Mmust be implemented by subclasses to support merge. It is called as theAggregationResult.merge(AggregationResult)
method is invoked.- Specified by:
onMerge
in classAggregationResult
- Parameters:
result
- the result to merge with
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onGetClassId
protected int onGetClassId()
- Overrides:
onGetClassId
in classAggregationResult
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onSerialize
protected void onSerialize(com.yahoo.vespa.objects.Serializer buf)
- Overrides:
onSerialize
in classAggregationResult
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onDeserialize
protected void onDeserialize(com.yahoo.vespa.objects.Deserializer buf)
- Overrides:
onDeserialize
in classAggregationResult
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equalsAggregation
protected boolean equalsAggregation(AggregationResult obj)
- Specified by:
equalsAggregation
in classAggregationResult
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hashCode
public int hashCode()
- Overrides:
hashCode
in classcom.yahoo.vespa.objects.Identifiable
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visitMembers
public void visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)
- Overrides:
visitMembers
in classAggregationResult
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