public abstract class ColumnAggregationExpression extends AbstractExpression
Modifier and Type | Method and Description |
---|---|
String[] |
getField()
Returns all defined fields as array of strings.
|
String |
getField(int index)
Returns the defined field at the given index-position.
|
int |
getFieldCount()
Returns the number of fields defined in this expression.
|
Expression |
getInstance()
Return a completly separated copy of this function.
|
void |
setField(int index,
String field)
Defines the field in the field-list at the given index.
|
void |
setField(String[] fields)
Defines all fields as array.
|
clone, getDataRow, getDependencyLevel, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, isDeepTraversing, isPreserve, setActive, setDependencyLevel, setName, setPreserve, setRuntime
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getValue
public void setField(int index, String field)
index
- the position in the list, where the field should be defined.field
- the name of the field.public String getField(int index)
index
- the position of the field name that should be queried.public int getFieldCount()
public String[] getField()
public void setField(String[] fields)
fields
- the new list of fields.public Expression getInstance()
getInstance
in interface Expression
getInstance
in class AbstractExpression