com.bigdata.rdf.util

Class DumpLexicon

java.lang.Object

com.bigdata.rdf.util.DumpLexicon

public class DumpLexicon
extends Object

Utility class to dump the TERMS index of a triple store.

Author:

thompsonbry

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DumpLexicon()

Method Summary

Methods

Modifier and Type	Method and Description
static void	dump(AbstractTripleStore store, Writer w, boolean showBlobs) Dumps the lexicon in a variety of ways.
static Appendable	dump(LexiconRelation r) Dump the lexicon.
static Appendable	dumpBlobs(String namespace, IIndex ndx) Dump the BLOBS index.
static void	dumpBlobs(Writer w, boolean showEntries, String namespace, IIndex ndx) Core implementation for dumping the BLOBS index.
static void	main(String[] args)
protected static IIndexManager	openIndexManager(String propertyFile) Open the IIndexManager identified by the property file.
protected static void	usage()

Methods inherited from class java.lang.Object

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

Constructor Detail

DumpLexicon

protected DumpLexicon()

Method Detail

usage

protected static void usage()

openIndexManager

protected static IIndexManager openIndexManager(String propertyFile)

Open the IIndexManager identified by the property file.

Parameters:

propertyFile - The property file (for a standalone bigdata instance) or the jini configuration file (for a bigdata federation). The file must end with either ".properties" or ".config". Starting with 1.5.2 the remote dump lexicon capability was moved into the bigdata-jini artifact. See BLZG-1370.

Returns:

The IIndexManager.

main

public static void main(String[] args)

Parameters:

args - (-tuples) <namespace> <filename>
where namespace is the namespace of the LexiconRelation. Use kb.lex if you have not overridden the namespace of the AbstractTripleStore.
where filename is the name of the properties or configuration file to be used.

dump

public static void dump(AbstractTripleStore store,
        Writer w,
        boolean showBlobs)

Dumps the lexicon in a variety of ways.

Parameters:

store -

dump

public static Appendable dump(LexiconRelation r)

Dump the lexicon.

Parameters:

r - The lexicon relation.

Returns:

The dump.

dumpBlobs

public static Appendable dumpBlobs(String namespace,
                   IIndex ndx)

Dump the BLOBS index.

Parameters:

namespace -

ndx -

Returns:

dumpBlobs

public static void dumpBlobs(Writer w,
             boolean showEntries,
             String namespace,
             IIndex ndx)

Core implementation for dumping the BLOBS index.

Parameters:

w - Where to write the data.

showEntries - When true the individual entries in the TERMS index will be reported. When false only metadata about the scanned entries will be reported.

namespace - The namespace of the LexiconRelation.

ndx - The BLOBS index for that LexiconRelation.