org.eclipse.birt.chart.aggregate
Interface IAggregateFunction
- All Known Implementing Classes:
- AggregateFunctionAdapter
- public interface IAggregateFunction
Method Summary |
void |
accumulate(java.lang.Object oValue)
An internally generated notification indicating that a function
implementer should accumulate another value (to be subsequently
aggregated) |
java.lang.Object |
getAggregatedValue()
Returns the aggregated value as determined by the function
implementation. |
void |
initialize()
Sends out a notification to a function implementation subclass to
initialize local member variables. |
UNKNOWN
public static final int UNKNOWN
- See Also:
- Constant Field Values
NULL
public static final int NULL
- See Also:
- Constant Field Values
DATE
public static final int DATE
- See Also:
- Constant Field Values
CALENDAR
public static final int CALENDAR
- See Also:
- Constant Field Values
NUMBER
public static final int NUMBER
- See Also:
- Constant Field Values
BIGDECIMAL
public static final int BIGDECIMAL
- See Also:
- Constant Field Values
TEXT
public static final int TEXT
- See Also:
- Constant Field Values
CUSTOM
public static final int CUSTOM
- See Also:
- Constant Field Values
accumulate
public void accumulate(java.lang.Object oValue)
throws java.lang.IllegalArgumentException
- An internally generated notification indicating that a function
implementer should accumulate another value (to be subsequently
aggregated)
- Parameters:
oValue
- The numeric value to be accumulated
- Throws:
java.lang.IllegalArgumentException
getAggregatedValue
public java.lang.Object getAggregatedValue()
- Returns the aggregated value as determined by the function
implementation.
- Returns:
- The aggregated value as determined by the function
implementation.
initialize
public void initialize()
- Sends out a notification to a function implementation subclass to
initialize local member variables.
Copyright © 2005 Actuate Corp. All rights reserved.