|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object net.sf.jasperreports.engine.base.JRBaseElementDataset net.sf.jasperreports.crosstabs.base.JRBaseCrosstabDataset
public class JRBaseCrosstabDataset
Base implementation of crosstab input dataset.
Field Summary | |
---|---|
protected boolean |
dataPreSorted
|
Fields inherited from class net.sf.jasperreports.engine.base.JRBaseElementDataset |
---|
datasetRun, incrementGroup, incrementTypeValue, incrementWhenExpression, resetGroup, resetTypeValue |
Constructor Summary | |
---|---|
JRBaseCrosstabDataset(JRCrosstabDataset dataset,
JRBaseObjectFactory factory)
|
Method Summary | |
---|---|
void |
collectExpressions(JRExpressionCollector collector)
|
boolean |
isDataPreSorted()
Returns whether the crosstab data is pre-sorted according to the crosstab's groups. |
Methods inherited from class net.sf.jasperreports.engine.base.JRBaseElementDataset |
---|
clone, getDatasetRun, getIncrementGroup, getIncrementTypeValue, getIncrementWhenExpression, getResetGroup, getResetTypeValue |
Methods inherited from class java.lang.Object |
---|
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface net.sf.jasperreports.engine.JRElementDataset |
---|
getDatasetRun, getIncrementGroup, getIncrementTypeValue, getIncrementWhenExpression, getResetGroup, getResetTypeValue |
Methods inherited from interface net.sf.jasperreports.engine.JRCloneable |
---|
clone |
Field Detail |
---|
protected boolean dataPreSorted
Constructor Detail |
---|
public JRBaseCrosstabDataset(JRCrosstabDataset dataset, JRBaseObjectFactory factory)
Method Detail |
---|
public void collectExpressions(JRExpressionCollector collector)
collectExpressions
in interface JRElementDataset
public boolean isDataPreSorted()
JRCrosstabDataset
The crosstab calculation engine can optimize the calculations if the data is sorted by the row groups and column groups. For example, if there are two row groups R1 and R2 (subgroup of R1) and three column groups C1, C2 and C3 the data should be sorted by R1, R2, C1, C2, C3.
isDataPreSorted
in interface JRCrosstabDataset
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |