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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 .FormulaFunction

FormulaFunction
final public class FormulaFunction extends AbstractFunction (Code)
	The formula function is a stateful version of the FormulaExpression and is used to evaluate a LibFormula/OpenFormula expression. This function can be used if a stateful evaluation is needed or if the formula value should be initialized to a certain value before the real evaluation starts. author: Thomas Morgner

Constructor Summary
public	FormulaFunction() Default Constructor.

Method Summary
public Object	clone() Clones the expression, expression should be reinitialized after the cloning.
public String	getFormula() Returns the formula (incuding the optional namespace) as defined by the OpenFormula standard.
public String	getFormulaExpression() Returns the formula expression.
public String	getFormulaNamespace() Returns the formula namespace.
public String	getInitial() Returns the initial formula (incuding the optional namespace) as defined by the OpenFormula standard.
public String	getInitialExpression() Returns the initial formula expression.
public String	getInitialNamespace() Returns the formula namespace if the initial formula.
public Object	getValue() Return the computed value of the formula.
public void	reportInitialized(ReportEvent event) Resets the function state.
public void	setFormula(String formula) Defines the formula (incuding the optional namespace) as defined by the OpenFormula standard.
public void	setInitial(String initial) Defines the initial formula (incuding the optional namespace) as defined by the OpenFormula standard.

Constructor Detail

FormulaFunction
public FormulaFunction()(Code)
	Default Constructor.

Method Detail

clone
public Object clone() throws CloneNotSupportedException(Code)
	Clones the expression, expression should be reinitialized after the cloning. Expression maintain no state, cloning is done at the beginning of the report processing to disconnect the used expression from any other object space. A clone of this expression. throws: CloneNotSupportedException - this should never happen.

getFormula
public String getFormula()(Code)
	Returns the formula (incuding the optional namespace) as defined by the OpenFormula standard. the formula as text.

getFormulaExpression
public String getFormulaExpression()(Code)
	Returns the formula expression. the formula expression.

getFormulaNamespace
public String getFormulaNamespace()(Code)
	Returns the formula namespace. If the formula specified by the user starts with "=", then the namespace "report" is assumed. the namespace of the formula.

getInitial
public String getInitial()(Code)
	Returns the initial formula (incuding the optional namespace) as defined by the OpenFormula standard. the formula as text.

getInitialExpression
public String getInitialExpression()(Code)
	Returns the initial formula expression. The initial formula is used at the first call only. the initial formula expression.

getInitialNamespace
public String getInitialNamespace()(Code)
	Returns the formula namespace if the initial formula. If the formula specified by the user starts with "=", then the namespace "report" is assumed. the namespace of the formula.

getValue
public Object getValue()(Code)
	Return the computed value of the formula. The first call will return the initial-value instead. the value of the function.

reportInitialized
public void reportInitialized(ReportEvent event)(Code)
	Resets the function state. Parameters: event - the report event.

setFormula
public void setFormula(String formula)(Code)
	Defines the formula (incuding the optional namespace) as defined by the OpenFormula standard. Parameters: formula - the formula as text.

setInitial
public void setInitial(String initial)(Code)
	Defines the initial formula (incuding the optional namespace) as defined by the OpenFormula standard. The initial formula is used at the first call only. Parameters: initial - the initial formula as text.

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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