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java.lang.Objectorg.jfree.report.expressions.AbstractExpression
org.jfree.report.expressions.sys.IsNullExpression
Creation-Date: 27.01.2006, 20:42:19
| Constructor Summary | |
IsNullExpression()
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| Method Summary | |
java.lang.Object |
computeValue()
Return the current expression value. |
java.lang.Object |
getValue()
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void |
setValue(java.lang.Object value)
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| Methods inherited from class org.jfree.report.expressions.AbstractExpression |
clone, getDataRow, getInstance, getName, getParentLocale, getReportConfiguration, getResourceBundleFactory, getRuntime, isDeepTraversing, isPrecompute, isPreserve, setDeepTraversing, setName, setPrecompute, setPreserve, setRuntime |
| Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public IsNullExpression()
| Method Detail |
public java.lang.Object getValue()
public void setValue(java.lang.Object value)
public java.lang.Object computeValue()
throws DataSourceException
The value depends (obviously) on the expression implementation.
DataSourceException
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