Package net.sansa_stack.hadoop.format.jena.turtle

Class RecordReaderRdfTurtleTriple

java.lang.Object

org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,T>

net.sansa_stack.hadoop.core.RecordReaderGenericBase<U,G,A,T>

net.sansa_stack.hadoop.format.jena.base.RecordReaderGenericRdfBase<T,T,T,T>

net.sansa_stack.hadoop.format.jena.base.RecordReaderGenericRdfNonAccumulatingBase<org.apache.jena.graph.Triple>

net.sansa_stack.hadoop.format.jena.base.RecordReaderGenericRdfTripleBase

net.sansa_stack.hadoop.format.jena.turtle.RecordReaderRdfTurtleTriple

All Implemented Interfaces:

Closeable, AutoCloseable

public class RecordReaderRdfTurtleTriple
extends RecordReaderGenericRdfTripleBase

Nested Class Summary

Nested classes/interfaces inherited from class net.sansa_stack.hadoop.core.RecordReaderGenericBase

RecordReaderGenericBase.ReadTooFarException

Field Summary

Fields

Modifier and Type	Field	Description
static final String	PREFIXES_MAXLENGTH_KEY
static final String	RECORD_MAXLENGTH_KEY
static final String	RECORD_MINLENGTH_KEY
static final String	RECORD_PROBECOUNT_KEY
protected static final CustomPattern	turtleRecordStartPattern	Syntatic constructs in Turtle can start with: TODO Anything missing? base / @base prefix / @prefix @lt;foo;> - an IRI [ ] - a blank node foo: - a CURIE

Fields inherited from class net.sansa_stack.hadoop.format.jena.base.RecordReaderGenericRdfBase

baseIri, baseIriKey, headerBytesKey, lang, prefixesMaxLengthKey, prefixMap

Fields inherited from class net.sansa_stack.hadoop.core.RecordReaderGenericBase

accumulating, codec, currentKey, currentValue, datasetFlow, decompressor, EMPTY_BYTE_ARRAY, enableStats, isEncoded, isFirstSplit, maxExtraByteCount, maxRecordLength, maxRecordLengthKey, minRecordLength, minRecordLengthKey, postambleBytes, preambleBytes, probeElementCount, probeElementCountKey, probeRecordCount, probeRecordCountKey, rawStream, recordFlowCloseable, recordStartPattern, regionStartSearchReadOverRegionEnd, regionStartSearchReadOverSplitEnd, skipRecordCount, split, splitEnd, splitId, splitLength, splitName, splitStart, stream, tailByteBuffer, tailBytes, tailEltBuffer, tailElts, tailEltsTime, tailRecordOffset, totalEltCount, totalRecordCount

Constructor Summary

Constructors

Constructor	Description
RecordReaderRdfTurtleTriple()

Method Summary

Modifier and Type	Method	Description
protected io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Triple>	parse(Callable<InputStream> inputStreamSupplier)

Methods inherited from class net.sansa_stack.hadoop.format.jena.base.RecordReaderGenericRdfTripleBase

parse

Methods inherited from class net.sansa_stack.hadoop.format.jena.base.RecordReaderGenericRdfBase

initialize, setupParser

Methods inherited from class net.sansa_stack.hadoop.core.RecordReaderGenericBase

abbreviate, abbreviate, abbreviateAsUTF8, aggregate, aggregate, close, convert, createMatcherFactory, createRecordFlow, detectTail, didHitSplitBound, effectiveInputStream, effectiveInputStreamSupp, findFirstPositionWithProbeSuccess, findNextRegion, getCurrentKey, getCurrentValue, getPos, getPosition, getProgress, getStats, initRecordFlow, lines, logClose, logUnexpectedClose, nextKeyValue, parseFromSeekable, prober, setStreamToInterval, unbufferedStream

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

RECORD_MINLENGTH_KEY

public static final String RECORD_MINLENGTH_KEY

See Also:

• Constant Field Values

RECORD_MAXLENGTH_KEY

public static final String RECORD_MAXLENGTH_KEY

See Also:

• Constant Field Values

RECORD_PROBECOUNT_KEY

public static final String RECORD_PROBECOUNT_KEY

See Also:

• Constant Field Values

PREFIXES_MAXLENGTH_KEY

public static final String PREFIXES_MAXLENGTH_KEY

See Also:

• Constant Field Values

turtleRecordStartPattern

protected static final CustomPattern turtleRecordStartPattern

Syntatic constructs in Turtle can start with: TODO Anything missing?

• base / @base
• prefix / @prefix
• @lt;foo;> - an IRI
• [ ] - a blank node
• foo: - a CURIE

Constructor Details

RecordReaderRdfTurtleTriple

public RecordReaderRdfTurtleTriple()

Method Details

parse

protected io.reactivex.rxjava3.core.Flowable<org.apache.jena.graph.Triple> parse(Callable<InputStream> inputStreamSupplier)