borland Packages  Class Hierarchy  jbcl.dataset Package  Index 

SumAggOperator class

java.lang.Object
   +----borland.jbcl.dataset.AggOperator
           +----borland.jbcl.dataset.SumAggOperator

About the SumAggOperator class

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.


SumAggOperator variables

Variables implemented in borland.jbcl.dataset.AggOperator

SumAggOperator properties

*Read-only properties **Write-only properties

Properties implemented in java.lang.Object

SumAggOperator methods

Methods implemented in this class

Methods implemented in borland.jbcl.dataset.AggOperator

Methods implemented in java.lang.Object


SumAggOperator methods

add(borland.jbcl.dataset.ReadRow, long, boolean)

  public void add(borland.jbcl.dataset.ReadRow row, long internalRow, boolean first)

Overrides: borland.jbcl.dataset.AggOperator.add(borland.jbcl.dataset.ReadRow, long, boolean)

delete(borland.jbcl.dataset.ReadRow, long)

  public void delete(borland.jbcl.dataset.ReadRow row, long internalRow)

Overrides: borland.jbcl.dataset.AggOperator.delete(borland.jbcl.dataset.ReadRow, long)