Java Doc for ColumnAggregationExpression.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.ColumnAggregationExpression All known Subclasses:   org.pentaho.jfreereport.legacy.ColumnAverageExpression,  org.jfree.report.function.ColumnMultiplyExpression,  org.jfree.report.function.bool.OrExpression,  org.jfree.report.function.ColumnSumExpression,  org.pentaho.jfreereport.legacy.ColumnDivisionExpression,  org.pentaho.jfreereport.legacy.ColumnSumExpression,  org.pentaho.jfreereport.legacy.ColumnMultiplyExpression,  org.jfree.report.function.bool.AndExpression,  org.jfree.report.function.ColumnDivisionExpression,  org.jfree.report.function.ColumnMaximumExpression,  org.jfree.report.function.ColumnMinimumExpression,  org.pentaho.jfreereport.legacy.ColumnDifferenceExpression,  org.jfree.report.function.ColumnAverageExpression,  org.jfree.report.function.ColumnDifferenceExpression,  org.jfree.report.function.sys.SingleValueQueryFunction, ColumnAggregationExpression abstract public class ColumnAggregationExpression extends AbstractExpression (Code) The base-class for all expressions that aggregate values from multiple columns. author:    Thomas Morgner Constructor Summary protected   ColumnAggregationExpression()      Default Constructor. Method Summary public  String getField(int index)      Returns the defined field at the given index-position. Parameters:   index - the position of the field name that should be queried. public  String[] getField()      Returns all defined fields as array of strings. public  int getFieldCount()      Returns the number of fields defined in this expression. protected  Object[] getFieldValues()      Collects the values of all fields defined in the fieldList. public  Expression getInstance()      Return a completly separated copy of this function. public  void setField(int index, String field)      Defines the field in the field-list at the given index. public  void setField(String[] fields)      Defines all fields as array. Constructor Detail ColumnAggregationExpression protected ColumnAggregationExpression()(Code) Default Constructor. Method Detail getField public String getField(int index)(Code) Returns the defined field at the given index-position. Parameters:   index - the position of the field name that should be queried. the field name at the given position. getField public String[] getField()(Code) Returns all defined fields as array of strings. all the fields. getFieldCount public int getFieldCount()(Code) Returns the number of fields defined in this expression. the number of fields. getFieldValues protected Object[] getFieldValues()(Code) Collects the values of all fields defined in the fieldList. an Object-array containing all defined values from the datarow getInstance public Expression getInstance()(Code) Return a completly separated copy of this function. The copy does no longer share any changeable objects with the original function. a copy of this function. setField public void setField(int index, String field)(Code) Defines the field in the field-list at the given index. Parameters:   index - the position in the list, where the field should be defined. Parameters:   field - the name of the field. setField public void setField(String[] fields)(Code) Defines all fields as array. This completely replaces any previously defined fields. Parameters:   fields - the new list of fields. 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)