borland Packages Class Hierarchy jbcl.dataset Package Index
java.lang.Object +----borland.jbcl.dataset.AggOperator +----borland.jbcl.dataset.SumAggOperator
Variables Properties Methods
Implements Serializable, Cloneable
The SumAggOperator class is an instantiatable subclass of the AggOperator and defines a summary aggregation operation.
Set the aggOperator property of the AggDescriptor object to this class to perform a summary calculation using the property settings stored in the AggDescriptor. Attach the AggDescriptor object to a Column component's agg property to access the data that the aggregation uses.
public void add(borland.jbcl.dataset.ReadRow row, long internalRow, boolean first)
Overrides: borland.jbcl.dataset.AggOperator.add(borland.jbcl.dataset.ReadRow, long, boolean)
public void delete(borland.jbcl.dataset.ReadRow row, long internalRow)
Overrides: borland.jbcl.dataset.AggOperator.delete(borland.jbcl.dataset.ReadRow, long)