Class RddRowSetWriterUtils
java.lang.Object
net.sansa_stack.spark.io.rdf.output.RddRowSetWriterUtils
Static util methods to write
JavaResultSetSpark
instances out using hadoop.
With isValidLang(Lang)
lang instances can be checked early for whether they are supported.-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic boolean
isValidLang
(org.apache.jena.riot.Lang lang) Check if the given lang has a registered hadoop writerstatic void
requireValidLang
(org.apache.jena.riot.Lang lang) Raises anIllegalArgumentException
if writing out using the given lang is unsupported.static void
write
(JavaResultSetSpark rs, org.apache.hadoop.fs.Path path, org.apache.jena.riot.Lang lang) static void
write
(org.apache.spark.rdd.RDD<org.apache.jena.sparql.engine.binding.Binding> rdd, org.apache.hadoop.fs.Path path, List<org.apache.jena.sparql.core.Var> vars, org.apache.jena.riot.Lang lang)
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Constructor Details
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RddRowSetWriterUtils
public RddRowSetWriterUtils()
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Method Details
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isValidLang
public static boolean isValidLang(org.apache.jena.riot.Lang lang) Check if the given lang has a registered hadoop writer -
requireValidLang
public static void requireValidLang(org.apache.jena.riot.Lang lang) Raises anIllegalArgumentException
if writing out using the given lang is unsupported. -
write
public static void write(JavaResultSetSpark rs, org.apache.hadoop.fs.Path path, org.apache.jena.riot.Lang lang) -
write
public static void write(org.apache.spark.rdd.RDD<org.apache.jena.sparql.engine.binding.Binding> rdd, org.apache.hadoop.fs.Path path, List<org.apache.jena.sparql.core.Var> vars, org.apache.jena.riot.Lang lang)
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