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java.lang.Objectorg.jfree.report.expressions.AbstractExpression
org.jfree.report.expressions.sys.IsEmptyExpression
public class IsEmptyExpression
Creation-Date: 27.01.2006, 20:42:19
Constructor Summary | |
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IsEmptyExpression()
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Method Summary | |
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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 |
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clone, getDataRow, getInstance, getName, getParentLocale, getReportConfiguration, getResourceBundleFactory, getRuntime, isDeepTraversing, isPrecompute, isPreserve, setDeepTraversing, setName, setPrecompute, setPreserve, setRuntime |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public IsEmptyExpression()
Method Detail |
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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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