/// <summary>
/// Returns a vectorised OPTIONAL MATCH statement for <typeparamref name="TVector"/>.
/// </summary>
/// <typeparam name="TVector"></typeparam>
/// <param name="query"></param>
/// <param name="from"></param>
/// <param name="rel"></param>
/// <param name="relPath"></param>
/// <param name="to"></param>
/// <returns></returns>
public static ICypherFluentQuery OptMatch <TVector>(this ICypherFluentQuery query, string path = null, string from = null, string rel = null, string relPath = null, string to = null) where TVector : Vector
{
var vars = ProcessVars(path);
if (vars.Successful())
{
var result = vars.Data;
from = result.From;
rel = result.Rel;
relPath = result.RelPath;
to = result.To;
}
var pattern = Common.Vector <TVector>(rel, from, to, relPath);
query = query.OptionalMatch(pattern);
return(query);
}
/// <summary>
/// Returns an OPTIONAL MATCH statement for a hypernode starting with <typeparamref name="TFirstVector"/> and ending in <typeparamref name="TSecondVector"/>.
/// </summary>
/// <typeparam name="TFirstVector"></typeparam>
/// <typeparam name="TSecondVector"></typeparam>
/// <param name="query"></param>
/// <param name="from"></param>
/// <param name="rel"></param>
/// <param name="relPath"></param>
/// <param name="to"></param>
/// <param name="rel2"></param>
/// <param name="relPath2"></param>
/// <param name="to2"></param>
/// <returns></returns>
public static ICypherFluentQuery OptMatch <TFirstVector, TSecondVector>(this ICypherFluentQuery query, string path = null, string from = null, string rel = null, string relPath = null, string to = null, string rel2 = null, string relPath2 = null, string to2 = null) where TFirstVector : Vector where TSecondVector : Vector
{
var vars = ProcessVars(path);
if (vars.Successful())
{
var result = vars.Data;
from = result.From;
rel = result.Rel;
relPath = result.RelPath;
to = result.To;
rel2 = result.Rel2;
relPath2 = result.RelPath2;
to2 = result.To2;
}
var pattern = HyperNodeVector <TFirstVector, TSecondVector>(from, rel, relPath, to, rel2, relPath2, to2);
query = query.OptionalMatch(pattern);
return(query);
}
public void Execute(ICypherFluentQuery cypher)
{
ProcessStacks();
foreach (var query in _queryStack)
{
if (query.QueryType == QueryTypeEnum.Match)
{
cypher = cypher.Match(query.QueryString);
continue;
}
if (query.QueryType == QueryTypeEnum.OptionalMatch)
{
cypher = cypher.OptionalMatch(query.QueryString);
continue;
}
if (query.QueryType == QueryTypeEnum.Where)
{
cypher = cypher.Where(query.QueryString);
continue;
}
if (query.QueryType == QueryTypeEnum.Create)
{
cypher = cypher.Create(query.QueryString);
continue;
}
if (query.QueryType == QueryTypeEnum.Merge)
{
cypher = cypher.Merge(query.QueryString);
continue;
}
if (query.QueryType == QueryTypeEnum.Delete)
{
cypher = cypher.Delete(query.QueryString);
continue;
}
if (query.QueryType == QueryTypeEnum.With)
{
cypher = cypher.With(query.QueryString);
continue;
}
}
cypher.ExecuteWithoutResults();
}
public static ICypherFluentQuery OptMatch <TVector>(this ICypherFluentQuery query) where TVector : Vector
{
query = query.OptionalMatch(Common.Vector <TVector>());
return(query);
}
