/// <summary>
/// Creates the index on the master server
/// </summary>
/// <param name="indexName">Name of the index.</param>
/// <param name="dropIfExists">if set to <c>true</c> [drop if exists].</param>
public void CreateIndex(string indexName, bool dropIfExists)
{
if (dropIfExists)
{
DeleteIndex(indexName);
}
var indexConfiguration = new IndexConfiguration
{
Provider = IndexProvider.lucene,
Type = IndexType.fulltext
};
GraphPoolableClient client = null;
try
{
client = GetClient();
client.GetClient().CreateIndex(indexName, indexConfiguration, IndexFor.Node);
}
catch (Exception e)
{
LogException("CreateIndex", e);
InformAboutHostProblems(client, e);
throw;
}
}
/// <summary>
/// Deletes the index on the master server
/// </summary>
/// <param name="indexName">Name of the index.</param>
public void DeleteIndex(string indexName)
{
GraphPoolableClient client = null;
try
{
client = GetClient();
if (client.GetClient().CheckIndexExists(indexName, IndexFor.Node))
{
client.GetClient().DeleteIndex(indexName, IndexFor.Node);
}
}
catch (Exception e)
{
LogException("DeleteIndex", e);
InformAboutHostProblems(client, e);
throw;
}
}
/// <summary>
/// Inserts the specified node on the master server
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="node">The node.</param>
/// <param name="relationships">The relationships.</param>
/// <returns></returns>
public NodeResult <T> Insert <T>(T node, IEnumerable <IRelationshipAllowingParticipantNode <T> > relationships)
where T : class
{
GraphPoolableClient client = GetClient();
try
{
return(new NodeResult <T>(client.GetClient().Create(node, relationships.ToArray(), Enumerable.Empty <IndexEntry>()), node));
}
catch (Exception e)
{
LogException("Insert", e);
InformAboutHostProblems(client, e);
throw;
}
}
/// <summary>
/// Creates the relationship on the master server
/// </summary>
/// <typeparam name="TNode">The type of the node.</typeparam>
/// <typeparam name="TRelationship">The type of the relationship.</typeparam>
/// <param name="nodeReference">The node reference.</param>
/// <param name="relationshipAllowingParticipantNode">The relationship allowing participant node.</param>
public void CreateRelationship <TNode, TRelationship>(NodeReference <TNode> nodeReference, TRelationship relationshipAllowingParticipantNode)
where TRelationship : Relationship, IRelationshipAllowingSourceNode <TNode>
{
GraphPoolableClient client = null;
try
{
client = GetClient();
client.GetClient().CreateRelationship(nodeReference, relationshipAllowingParticipantNode);
}
catch (Exception e)
{
LogException("CreateRelationship", e);
InformAboutHostProblems(client, e);
throw;
}
}
/// <summary>
/// Inserts the specified node on the master server
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="node">The node.</param>
/// <param name="indexEntries">The index entries.</param>
/// <returns></returns>
public NodeResult <T> Insert <T>(T node, IEnumerable <IndexEntry> indexEntries)
where T : class
{
GraphPoolableClient client = null;
try
{
client = GetClient();
return(new NodeResult <T>(client.GetClient().Create(node, null, indexEntries), node));
}
catch (Exception e)
{
LogException("Insert", e);
InformAboutHostProblems(client, e);
throw;
}
}
/// <summary>
/// Gets the specified node references on the slave server
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="query">The query.</param>
/// <returns></returns>
public IEnumerable <NodeReference <T> > GetNodeReferences <T>(string query)
{
GraphPoolableClient client = null;
try
{
client = GetClient();
return(((IRawGraphClient)client.GetClient())
.ExecuteGetCypherResults <Node <T> >(new CypherQuery(query, null, CypherResultMode.Set))
.Select(t => t.Reference));
}
catch (Exception e)
{
LogException("GetNodeReferences", e);
InformAboutHostProblems(client, e);
throw;
}
}
/// <summary>
/// Deletes the specified node reference on the master server
/// </summary>
/// <param name="nodeReference">The node reference.</param>
/// <returns></returns>
public bool Delete(long nodeReference)
{
GraphPoolableClient client = null;
try
{
client = GetClient();
client.GetClient()
.Cypher
.Start(new { n = nodeReference })
.Match("n-[r?]-()")
.Delete("n, r")
.ExecuteWithoutResults();
return(true);
}
catch (Exception e)
{
LogException("Delete", e);
InformAboutHostProblems(client, e);
throw;
}
}
