Java Doc for TotalCalculationFunction.java in  » Report » pentaho-report » org » jfree » report » function » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » pentaho report » org.jfree.report.function 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.jfree.report.function.AbstractExpression
      org.jfree.report.function.AbstractFunction
         org.jfree.report.function.TotalCalculationFunction

TotalCalculationFunction
public class TotalCalculationFunction extends AbstractFunction (Code)
A report function that stores the result of a calculation for a group or the complete report. This function can be used to convert simple running-functions into total-functions by wrapping them up. The wrapped up function will be evaluated as usual and the result at the end of the report and/or end of the group will be stored in the TotalCalculationFunction.
author:
   Thomas Morgner



Constructor Summary
public  TotalCalculationFunction()
     Constructs a new function.

Method Summary
public  StringgetField()
     Returns the field used by the function.
public  StringgetGroup()
     Returns the name of the group to be totalled.
public  ExpressiongetInstance()
    
public  ObjectgetValue()
     Return the current expression value.
public  voidgroupFinished(ReportEvent event)
     Receives notification that a group has finished.
public  voidgroupStarted(ReportEvent event)
     Receives notification that a group has started.
public  voidreportFinished(ReportEvent event)
     Receives notification that the report has finished.
public  voidreportInitialized(ReportEvent event)
     Receives notification that the report has started.
public  voidsetField(String field)
     Sets the field name for the function.
public  voidsetGroup(String group)
     Defines the name of the group to be totalled.


Constructor Detail
TotalCalculationFunction
public TotalCalculationFunction()(Code)
Constructs a new function.

Initially the function has no name...be sure to assign one before using the function.





Method Detail
getField
public String getField()(Code)
Returns the field used by the function. The field name corresponds to a column name in the report's data-row. The field name.



getGroup
public String getGroup()(Code)
Returns the name of the group to be totalled. the group name.



getInstance
public Expression getInstance()(Code)



getValue
public Object getValue()(Code)
Return the current expression value.

The value depends (obviously) on the expression implementation. the value of the function.




groupFinished
public void groupFinished(ReportEvent event)(Code)
Receives notification that a group has finished.
Parameters:
  event - the event.



groupStarted
public void groupStarted(ReportEvent event)(Code)
Receives notification that a group has started.
Parameters:
  event - the event.



reportFinished
public void reportFinished(ReportEvent event)(Code)
Receives notification that the report has finished.
Parameters:
  event - the event.



reportInitialized
public void reportInitialized(ReportEvent event)(Code)
Receives notification that the report has started.
Parameters:
  event - the event.



setField
public void setField(String field)(Code)
Sets the field name for the function. The field name corresponds to a column name in the report's data-row.
Parameters:
  field - the field name.



setGroup
public void setGroup(String group)(Code)
Defines the name of the group to be totalled. If the name is null, all groups are totalled.
Parameters:
  group - the group name.



Methods inherited from org.jfree.report.function.AbstractFunction
public void groupFinished(ReportEvent event)(Code)(Java Doc)
public void groupStarted(ReportEvent event)(Code)(Java Doc)
public void itemsAdvanced(ReportEvent event)(Code)(Java Doc)
public void itemsFinished(ReportEvent event)(Code)(Java Doc)
public void itemsStarted(ReportEvent event)(Code)(Java Doc)
public void reportDone(ReportEvent event)(Code)(Java Doc)
public void reportFinished(ReportEvent event)(Code)(Java Doc)
public void reportInitialized(ReportEvent event)(Code)(Java Doc)
public void reportStarted(ReportEvent event)(Code)(Java Doc)

Methods inherited from org.jfree.report.function.AbstractExpression
public Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public DataRow getDataRow()(Code)(Java Doc)
public int getDependencyLevel()(Code)(Java Doc)
public Expression getInstance()(Code)(Java Doc)
public String getName()(Code)(Java Doc)
public Configuration getReportConfiguration()(Code)(Java Doc)
public ResourceBundleFactory getResourceBundleFactory()(Code)(Java Doc)
public ExpressionRuntime getRuntime()(Code)(Java Doc)
final public boolean isActive()(Code)(Java Doc)
public boolean isDeepTraversing()(Code)(Java Doc)
public boolean isPreserve()(Code)(Java Doc)
final public void setActive(boolean active)(Code)(Java Doc)
public void setDependencyLevel(int level)(Code)(Java Doc)
public void setName(String name)(Code)(Java Doc)
public void setPreserve(boolean preserve)(Code)(Java Doc)
public void setRuntime(ExpressionRuntime runtime)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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