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

Constructor Summary

IsEmptyDataExpression()
Deprecated. Default Constructor.

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

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IsEmptyDataExpression

public IsEmptyDataExpression()

Deprecated.

Default Constructor.

Method Detail

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.