org.jfree.report.function
Class IsNullExpression

java.lang.Object
  |
  +--org.jfree.report.function.AbstractExpression
        |
        +--org.jfree.report.function.IsNullExpression

public class IsNullExpression
extends AbstractExpression

Creation-Date: 27.01.2006, 20:42:19

Author:
Thomas Morgner
See Also:
Serialized Form

Constructor Summary
IsNullExpression()
           
 
Method Summary
 java.lang.String getField()
           
 java.lang.Object getValue()
          Return the current expression value.
 void setField(java.lang.String field)
           
 
Methods inherited from class org.jfree.report.function.AbstractExpression
clone, getDataRow, getDependencyLevel, getInstance, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, setActive, setDependencyLevel, setName, setRuntime
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

IsNullExpression

public IsNullExpression()
Method Detail

getField

public java.lang.String getField()

setField

public void setField(java.lang.String field)

getValue

public java.lang.Object getValue()
Return the current expression value.

The value depends (obviously) on the expression implementation.

Returns:
the value of the function.