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java.lang.Objectorg.pentaho.reporting.engine.classic.core.function.AbstractExpression
org.pentaho.reporting.engine.classic.core.function.IsEmptyExpression
public class IsEmptyExpression
Checks whether a field is empty. A field is considered empty, if it contains the value 'null', or an string that is empty or only consists of whitespaces or a number that evaluates to zero.
Constructor Summary | |
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IsEmptyExpression()
Deprecated. Default constructor. |
Method Summary | |
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String |
getField()
Deprecated. Returns the name of the field from where to read the value. |
Object |
getValue()
Deprecated. Return the current expression value. |
void |
setField(String field)
Deprecated. Defines the name of the field from where to read the value. |
Methods inherited from class org.pentaho.reporting.engine.classic.core.function.AbstractExpression |
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clone, getDataRow, getDependencyLevel, getInstance, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, isDeepTraversing, isPreserve, setActive, setDependencyLevel, setName, setPreserve, setRuntime |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public IsEmptyExpression()
Method Detail |
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public String getField()
public void setField(String field)
field
- the field.public Object getValue()
The value depends (obviously) on the expression implementation.
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