public abstract class CountCollector extends ReductionDataCollector<CountCollector.CountData>
Modifier and Type | Class and Description |
---|---|
static class |
CountCollector.CountData |
static class |
CountCollector.ExpressionCountCollector
Represents a
count(expr) expression. |
static class |
CountCollector.TotalCountCollector
Represents a
count() expression. |
Modifier and Type | Field and Description |
---|---|
static String |
name |
collectionTargets, ioData, lastingTargets
Constructor and Description |
---|
CountCollector(String exprStr) |
Modifier and Type | Method and Description |
---|---|
long |
count()
The number of Solr Documents for which the given analytics expression exists.
|
long |
docCount()
The number of Solr Documents used in this reduction.
|
String |
getExpressionStr()
The unique expression string of the reduction data collector, given all inputs and parameters.
|
String |
getName()
Get the name of the reduction data collector.
|
CountCollector.CountData |
newData()
A clean slate to start a new reduction.
|
void |
setData(ReductionData data)
Finalize the reduction with the collected data stored in the parameter.
|
void |
setMergedData(ReductionData data)
Finalize the reduction with the merged data stored in the parameter.
|
void |
submitReservations(Consumer<ReductionDataReservation<?,?>> consumer)
Submits the data reservations needed for this data collector.
|
addCollectTarget, addLastingCollectTarget, apply, clearLastingCollectTargets, collect, collectAndApply, dataIO, newDataIO, newDataTarget
public static final String name
public CountCollector(String exprStr)
public long count()
public long docCount()
public CountCollector.CountData newData()
ReductionDataCollector
newData
in class ReductionDataCollector<CountCollector.CountData>
public void submitReservations(Consumer<ReductionDataReservation<?,?>> consumer)
ReductionDataCollector
submitReservations
in class ReductionDataCollector<CountCollector.CountData>
consumer
- the consumer which the reservations are submitted topublic void setMergedData(ReductionData data)
ReductionDataCollector
ReductionFunction
s that use this
data collector act like regular AnalyticsValue
classes that
can be accessed through their get<value-type>
methods.
(FOR CLOUD)setMergedData
in class ReductionDataCollector<CountCollector.CountData>
data
- the merged data to compute a reduction forpublic void setData(ReductionData data)
ReductionDataCollector
ReductionFunction
s that use this
data collector act like regular AnalyticsValue
classes that
can be accessed through their get<value-type>
methods.
(FOR SINGLE-SHARD)setData
in class ReductionDataCollector<CountCollector.CountData>
data
- the collected data to compute a reduction forpublic String getName()
ReductionDataCollector
getName
in class ReductionDataCollector<CountCollector.CountData>
public String getExpressionStr()
ReductionDataCollector
ReductionDataCollector
syncing. Since the string should be unique,
only one of expression is kept.getExpressionStr
in class ReductionDataCollector<CountCollector.CountData>
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