Package org.eclipse.rdf4j.query.resultio
Class BooleanQueryResultWriterRegistry.BooleanQueryResultWriterRegistryHolder
- java.lang.Object
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- org.eclipse.rdf4j.query.resultio.BooleanQueryResultWriterRegistry.BooleanQueryResultWriterRegistryHolder
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- Enclosing class:
- BooleanQueryResultWriterRegistry
private static class BooleanQueryResultWriterRegistry.BooleanQueryResultWriterRegistryHolder extends java.lang.Object
Internal helper class to avoid continuous synchronized checking.
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Field Summary
Fields Modifier and Type Field Description static BooleanQueryResultWriterRegistry
instance
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Constructor Summary
Constructors Modifier Constructor Description private
BooleanQueryResultWriterRegistryHolder()
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Field Detail
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instance
public static final BooleanQueryResultWriterRegistry instance
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