org.pentaho.reporting.engine.classic.core.function.bool
Class IsEmptyDataExpression
java.lang.Object
org.pentaho.reporting.engine.classic.core.function.AbstractExpression
org.pentaho.reporting.engine.classic.core.function.bool.IsEmptyDataExpression
- All Implemented Interfaces:
- Serializable, Cloneable, Expression
Deprecated. Use a formula instead or make proper use of the No-Data band.
public class IsEmptyDataExpression
- extends AbstractExpression
An expression that checks, whether the current report has a non-empty datasource.
- Author:
- Thomas Morgner
- See Also:
- Serialized Form
Method Summary |
Object |
getValue()
Deprecated. Checks whether the report has a data-source and wether the datasource is empty. |
Methods inherited from class org.pentaho.reporting.engine.classic.core.function.AbstractExpression |
clone, getDataRow, getDependencyLevel, getInstance, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, isDeepTraversing, isPreserve, setActive, setDependencyLevel, setName, setPreserve, setRuntime |
IsEmptyDataExpression
public IsEmptyDataExpression()
- Deprecated.
- Default Constructor.
getValue
public Object getValue()
- Deprecated.
- Checks whether the report has a data-source and wether the datasource is empty. A datasource is considered empty,
if it contains no rows. The number of columns is not evaluated.
- Returns:
- the value of the function.