Java Doc for ItemCountFunction.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.ItemCountFunction All known Subclasses:   org.jfree.report.function.PageItemCountFunction, ItemCountFunction public class ItemCountFunction extends AbstractFunction (Code) A report function that counts items in a report. If the "group" property is set, the item count is reset to zero whenever the group changes. author:    Thomas Morgner Constructor Summary public   ItemCountFunction()      Constructs an unnamed function. public   ItemCountFunction(String name)      Constructs an item count report function. Method Summary protected  int getCount()      Returns the current count value. public  String getGroup()      Returns the name of the group (possibly null) for this function. public  Object getValue()      Returns the number of items counted (so far) by the function. public  void groupStarted(ReportEvent event)      Receives notification that a new group is about to start. public  void itemsAdvanced(ReportEvent event)      Received notification of a move to the next row of data. public  void reportInitialized(ReportEvent event)      Receives notification that a new report is about to start. protected  void setCount(int count)      Defines the current count value. public  void setGroup(String group)      Setss the name of the group for this function. Constructor Detail ItemCountFunction public ItemCountFunction()(Code) Constructs an unnamed function. This constructor is intended for use by the SAX handler class only. ItemCountFunction public ItemCountFunction(String name)(Code) Constructs an item count report function. Parameters:   name - The name of the function. throws:   NullPointerException - if the name is null Method Detail getCount protected int getCount()(Code) Returns the current count value. the current count value. getGroup public String getGroup()(Code) Returns the name of the group (possibly null) for this function. The item count is reset to zero at the start of each instance of this group. the group name. getValue public Object getValue()(Code) Returns the number of items counted (so far) by the function. This is either the number of items in the report, or the group (if a group has been defined for the function). The item count. groupStarted public void groupStarted(ReportEvent event)(Code) Receives notification that a new group is about to start. Checks to see if the group that is starting is the same as the group defined for this function...if so, the item count is reset to zero. Parameters:   event - Information about the event. itemsAdvanced public void itemsAdvanced(ReportEvent event)(Code) Received notification of a move to the next row of data. Increments the item count. Parameters:   event - Information about the event. reportInitialized public void reportInitialized(ReportEvent event)(Code) Receives notification that a new report is about to start. The item count is set to zero. Parameters:   event - the event. setCount protected void setCount(int count)(Code) Defines the current count value. Parameters:   count - the current count value. setGroup public void setGroup(String group)(Code) Setss the name of the group for this function. The item count is reset to zero at the start of each instance of this group. If the name is null, all items in the report are counted. 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)