io.konig.core.delta

Class ShaBNodeHasher

java.lang.Object

io.konig.core.delta.ShaBNodeHasher

All Implemented Interfaces:

BNodeHasher

public class ShaBNodeHasher
extends Object
implements BNodeHasher

A utility that creates a hash by sorting the properties of a BNode, serializing them into a string, and then computing the SHA1 hash of the string.

Author:

Greg McFall

Constructor Summary

Constructors

Constructor and Description
ShaBNodeHasher()

Method Summary

Modifier and Type	Method and Description
String	createHash(org.openrdf.model.URI predicate, Vertex object) Create a hash for a given BNode that is accessed via a given predicate.
static String	SHA1(String text)

Methods inherited from class java.lang.Object

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

Constructor Detail

ShaBNodeHasher

public ShaBNodeHasher()

Method Detail

createHash

public String createHash(org.openrdf.model.URI predicate,
                         Vertex object)

Description copied from interface: BNodeHasher

Create a hash for a given BNode that is accessed via a given predicate.

Specified by:

createHash in interface BNodeHasher

Parameters:

predicate - The predicate through which the BNode is accessed

object - The BNode for which a hash value will be computed

Returns:

The hash value for the BNode

SHA1

public static String SHA1(String text)
                   throws KonigException

Throws:

KonigException