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java.lang.Objectcom.citra.pivot.table.aggregator.LastValueAggregator
public class LastValueAggregator
LastValueAggregator is the aggregator that selects the last non-null value it finds as the aggregate value.
Constructor Summary | |
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LastValueAggregator()
Constructs a LastValueAggregator. |
Method Summary | |
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MemberList |
getAggregatedMembers(TableMember currentMember,
TableConnection connection,
TableMeasure measure)
Returns the list of members whose values should be aggregated in order to produce the aggregation for currentMember. |
Object |
getAggregateValue(List queries,
TableTuple query,
TableConnection connection,
TableMeasure measure)
Determines the aggregate value for a list of member parameters. |
String |
getName()
Retrieves the name of the aggregator. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public LastValueAggregator()
Method Detail |
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public MemberList getAggregatedMembers(TableMember currentMember, TableConnection connection, TableMeasure measure) throws DataSourceException
getAggregatedMembers
in interface StandardMeasureAggregator
currentMember
- the member that is being aggregatedconnection
- the connection to the table datasourcemeasure
- the measure being aggregated
DataSourceException
public Object getAggregateValue(List queries, TableTuple query, TableConnection connection, TableMeasure measure) throws DataSourceException
getAggregateValue
in interface StandardMeasureAggregator
queries
- a list of TableTuples
query
- the members currently being aggregatedconnection
- the connection to the table datasourcemeasure
- the measure being aggregated
DataSourceException
public String getName()
getName
in interface TableAggregator
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Copyright © 2011 Citra Technologies. All Rights Reserved. | ||||||||
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