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[Dotgnu-libs-commits] CVS: dotgnu.rdf RdfEdge.cs,NONE,1.1 RdfNode.cs,NO
From: |
James Michael DuPont <address@hidden> |
Subject: |
[Dotgnu-libs-commits] CVS: dotgnu.rdf RdfEdge.cs,NONE,1.1 RdfNode.cs,NONE,1.1 |
Date: |
Sat, 08 Feb 2003 04:36:02 -0500 |
Update of /cvsroot/dotgnu-libs/dotgnu.rdf
In directory subversions:/tmp/cvs-serv31578
Added Files:
RdfEdge.cs RdfNode.cs
Log Message:
cleaned up
--- NEW FILE ---
/*
* RdfNode.cs - Implementation of the "DotGNU.Rdf.RdfNode" class.
*
* Copyright (C) 2003 Adam Ballai, Cannibutter Software.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Original Author: Rahul Singh (address@hidden)
* Thank you Rahul Singh.
*/
namespace DotGNU.Rdf
{
/// <summary>
/// This class represents an RDFEdge in the RDFGraph
/// </summary>
public class RdfEdge
{
/// <summary>
/// This constant indicates that this edge is an incoming edge.
This constant is used in the RdfNode class
/// </summary>
public const int EdgeTypeIncoming = 0;
/// <summary>
/// This constant indicates that this edge is an outgoing edge.
This constant is used in the RdfNode class
/// </summary>
public const int EdgeTypeOutgoing = 1;
/// <summary>
/// This member variable points to the RdfNode that this edge
originates from. i.e. the subject of this predicate
/// </summary>
public RdfNode SourceNode;
/// <summary>
/// This member variable points to the RdfNode that this edge
point to. i.e. the object of this predicate
/// </summary>
public RdfNode DestNode;
/// <summary>
/// The local name of this edge. This value is obtained from
the local name of the XMLElement denoting this edge.
/// </summary>
public String EdgeLocalName;
/// <summary>
/// This is the Namespace prefix associated with the XML
element denoting this edge
/// </summary>
public String EdgePrefix;
/// <summary>
/// This is the XMLNamespace associated with the XML element
denoting this edge
/// </summary>
public String NameSpace;
public String LangID;
public String Datatype;
public RdfNode reifiedNode;
/// <summary>
/// This is the main constructor for the RdfEdge class.
/// </summary>
public RdfEdge()
{
NameSpace = "";
LangID = null;
Datatype = null;
reifiedNode = null; // this needs RdfNode to be defined
}
}
}
--- NEW FILE ---
/*
* RdfNode.cs - Implementation of the "DotGNU.Rdf.RdfNode" class.
*
* Copyright (C) 2003 Adam Ballai, Cannibutter Software.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Original Author: Rahul Singh (address@hidden)
* Thank you Rahul Singh.
*/
namespace DotGNU.Rdf
{
using System;
using System.Xml;
using System.Collections;
public class RdfNode
{
public String nodeID;
public Hashtable edges;
public String nameSpacePrefix;
public String nameSpace;
public bool isBlankNode;
public String nodeData;
public String langID;
public String bagID;
public RdfNode()
{
nameSpace = "";
edges = new Hashtable();
isBlankNode = true;
bagID = null;
}
public ArrayList GetEdges()
{
try
{
ArrayList edgeList = new ArrayList();
IDictionaryEnumerator enumerator =
edges.GetEnumerator();
while(enumerator.MoveNext())
{
edgeList.Add(enumerator.Key);
}
return edgeList;
}
catch(NullReferenceException e)
{
return null;
}
}
public ArrayList GetIncomingEdges()
{
try
{
ArrayList edgeList = new ArrayList();
IDictionaryEnumerator enumerator =
edges.GetEnumerator();
while(enumerator.MoveNext())
{
if((int)enumerator.Value ==
RdfEdge.EdgeTypeIncoming)
edgeList.Add(enumerator.Key);
}
return edgeList;
}
catch(NullReferenceException e)
{
return null;
}
}
public ArrayList GetOutgoingEdges()
{
try
{
ArrayList edgeList = new ArrayList();
IDictionaryEnumerator enumerator =
edges.GetEnumerator();
while(enumerator.MoveNext())
{
if((int)enumerator.Value ==
RdfEdge.EdgeTypeOutgoing)
edgeList.Add(enumerator.Key);
}
//TODO: no conversion from `System.Collections.Hashtable' to
`System.Collections.ArrayList'
return edgeList;
}
catch(NullReferenceException e)
{
return null;
}
}
public bool IsEdge(RdfEdge rdfEdge)
{
try
{
if(edges.ContainsKey(rdfEdge))
{
return true;
}
else
{
return false;
}
}
catch(NullReferenceException e)
{
return false;
}
catch(ArgumentNullException e)
{
return false;
}
}
public bool IsIncomingEdge(RdfEdge rdfEdge)
{
try
{
if((int)edges[rdfEdge] ==
RdfEdge.EdgeTypeIncoming)
{
return true;
}
else
{
return false;
}
}
catch(NullReferenceException e)
{
return false;
}
catch(ArgumentNullException e)
{
return false;
}
}
public bool IsOutgoingEdge(RdfEdge rdfEdge)
{
try
{
if((int)edges[rdfEdge] ==
RdfEdge.EdgeTypeOutgoing)
{
return true;
}
else
{
return false;
}
}
catch(NullReferenceException e)
{
return false;
}
catch(ArgumentNullException e)
{
return false;
}
}
public bool AddRdfEdge(RdfEdge rdfEdge, int edgeType)
{
try
{
edges.Add(rdfEdge, edgeType);
return true;
}
catch(ArgumentException e)
{
throw new ArgumentException(
//TODO : implement S
//S._("ArgumentException"),
"ArgumentException",
"RdfEdge");
return false;
}
}
}
}
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