Package org.eclipse.rdf4j
Class OpenRDFUtil
- java.lang.Object
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- org.eclipse.rdf4j.OpenRDFUtil
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public class OpenRDFUtil extends Object
General utility methods for OpenRDF/Sesame modules.- Author:
- Arjohn Kampman
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Constructor Summary
Constructors Constructor Description OpenRDFUtil()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static void
verifyContextNotNull(Resource... contexts)
Verifies that the supplied contexts parameter is not null, throwing anIllegalArgumentException
if it is.
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Method Detail
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verifyContextNotNull
public static void verifyContextNotNull(Resource... contexts)
Verifies that the supplied contexts parameter is not null, throwing anIllegalArgumentException
if it is.The semantics of supplying null as the value of the contexts vararg is not completely clear; it can either be equivalent to supplying an empty array (i.e.: matching all statements disregarding context), or to supplying a null-Resource value (e.g.: matching all statements with no associated context). As we so far haven't been able to prefer one over the other, methods operating on contexts currently throw
IllegalArgumentException
s.- Parameters:
contexts
- The parameter to check.- Throws:
IllegalArgumentException
- If the supplied contexts parameter is null.
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