Package com.tagtraum.core.rdf

Class NTripleReader

java.lang.Object

com.tagtraum.core.rdf.NTripleReader

All Implemented Interfaces:

StatementReader, Closeable, AutoCloseable

public class NTripleReader
extends Object
implements StatementReader

NTripleReader.

Author:

Hendrik Schreiber

Constructor Summary

Constructors

Constructor	Description
NTripleReader(Reader reader)
NTripleReader(Reader reader, boolean valueCaching)

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	isValueCaching()	Indicates whether this reader attempt to cache values (subject, predicate, or object) in order to reduce memory usage.
protected String	preProcess(String trimmedLine)
Statement	readStatement()	Read one statement at a time.
void	setValueCaching(boolean valueCaching)	Turn caching of Values on or off.
static String	unescape(String s)

Methods inherited from class java.lang.Object

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

Constructor Detail

NTripleReader

public NTripleReader(Reader reader,
                     boolean valueCaching)

Parameters:

reader -

valueCaching - cache values/literals while reading.

NTripleReader

public NTripleReader(Reader reader)

Method Detail

isValueCaching

public boolean isValueCaching()

Description copied from interface: StatementReader

Indicates whether this reader attempt to cache values (subject, predicate, or object) in order to reduce memory usage.

Specified by:

isValueCaching in interface StatementReader

Returns:

true or false

setValueCaching

public void setValueCaching(boolean valueCaching)

Description copied from interface: StatementReader

Turn caching of Values on or off.

Specified by:

setValueCaching in interface StatementReader

Parameters:

valueCaching - true or false

readStatement

public Statement readStatement()
                        throws IOException

Description copied from interface: StatementReader

Read one statement at a time.

Specified by:

readStatement in interface StatementReader

Returns:

statement

Throws:

IOException - if something goes wrong

preProcess

protected String preProcess(String trimmedLine)
                     throws IOException

Parameters:

trimmedLine - line that has already been trimmed

Returns:

transformed line.

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

unescape

public static String unescape(String s)