org.pentaho.reporting.libraries.formula.function.information
Class CountFunctionDescription
java.lang.Object
org.pentaho.reporting.libraries.formula.function.AbstractFunctionDescription
org.pentaho.reporting.libraries.formula.function.information.CountFunctionDescription
- All Implemented Interfaces:
- Serializable, FunctionDescription
public class CountFunctionDescription
- extends AbstractFunctionDescription
Describes the CountFunction function.
- Author:
- Cedric Pronzato
- See Also:
CountFunction
,
Serialized Form
CountFunctionDescription
public CountFunctionDescription()
getValueType
public Type getValueType()
getCategory
public FunctionCategory getCategory()
getParameterCount
public int getParameterCount()
isInfiniteParameterCount
public boolean isInfiniteParameterCount()
- Specified by:
isInfiniteParameterCount
in interface FunctionDescription
- Overrides:
isInfiniteParameterCount
in class AbstractFunctionDescription
getParameterType
public Type getParameterType(int position)
- Returns the parameter type at the given position using the function metadata. The first parameter is at the
position 0;
- Parameters:
position
- The parameter index.
- Returns:
- The parameter type.
isParameterMandatory
public boolean isParameterMandatory(int position)
- Defines, whether the parameter at the given position is mandatory. A mandatory parameter must be filled in, while
optional parameters need not to be filled in.
- Returns: