public static ICypherFluentQuery MergeEntity <T>(this ICypherFluentQuery query, T entity, string paramKey = null, List <CypherProperty> mergeOverride = null, List <CypherProperty> onMatchOverride = null, List <CypherProperty> onCreateOverride = null, string preCql = "", string postCql = "") where T : class
{
paramKey = entity.EntityParamKey(paramKey);
var context = CypherExtensionContext.Create(query);
var cypher1 = entity.ToCypherString <T, CypherMergeAttribute>(context, paramKey, mergeOverride);
var cql = string.Format("{0}({1}){2}", preCql, cypher1, postCql);
return(query.CommonMerge(entity, paramKey, cql, mergeOverride, onMatchOverride, onCreateOverride));
}
public static ICypherFluentQuery MergeRelationship <T>(this ICypherFluentQuery query, T entity, List <CypherProperty> mergeOverride = null, List <CypherProperty> onMatchOverride = null, List <CypherProperty> onCreateOverride = null) where T : BaseRelationship
{
//Eaxctly the same as a merge entity except the cql is different
var cql = GetRelationshipCql(
entity.FromKey
, entity.ToCypherString <T, CypherMergeAttribute>(CypherExtensionContext.Create(query), entity.Key, mergeOverride)
, entity.ToKey);
return(query.CommonMerge(entity, entity.Key, cql, mergeOverride, onMatchOverride, onCreateOverride));
}
private static ICypherFluentQuery MatchWorker <T>(this ICypherFluentQuery query, T entity, MatchOptions options, Func <ICypherFluentQuery, string, ICypherFluentQuery> matchFunction) where T : class
{
var identifier = entity.EntityParamKey(options.Identifier);
var matchCypher = entity.ToCypherString <T, CypherMatchAttribute>(CypherExtensionContext.Create(query), identifier, options.MatchOverride);
var cql = string.Format("{0}({1}){2}", options.PreCql, matchCypher, options.PostCql);
dynamic cutdown = entity.CreateDynamic(options.MatchOverride ?? CypherTypeItemHelper.PropertiesForPurpose <T, CypherMatchAttribute>(entity));
var matchKey = GetMatchParamName(identifier);
return(matchFunction(query, cql)
.WithParam(matchKey, cutdown));
}
private static ICypherFluentQuery MatchRelationshipWorker <T>(
this ICypherFluentQuery query
, T relationship
, MatchRelationshipOptions options
, Func <ICypherFluentQuery, string, ICypherFluentQuery> matchFunction) where T : BaseRelationship
{
var matchProperties = options.MatchOverride ?? CypherTypeItemHelper.PropertiesForPurpose <T, CypherMatchAttribute>(relationship);
var cql = GetRelationshipCql(
relationship.FromKey
, relationship.ToCypherString <T, CypherMatchAttribute>(CypherExtensionContext.Create(query), relationship.Key, matchProperties)
, relationship.ToKey);
return(matchFunction(query, cql));
}
internal static List <CypherProperty> UseProperties <T>(this T entity, CypherExtensionContext context, params Expression <Func <T, object> >[] properties)
where T : class
{
//Cache the T entity properties into a dictionary of strings
if (properties != null)
{
return(properties.ToList().Where(x => x != null).Select(x =>
{
var memberExpression = x.Body as MemberExpression ?? ((UnaryExpression)x.Body).Operand as MemberExpression;
return memberExpression == null ? null : memberExpression.Member.Name;
}).Select(x => new CypherProperty {
TypeName = x, JsonName = x.ApplyCasing(context)
}).ToList());
}
return(new List <CypherProperty>());
}
public static ICypherFluentQuery MergeEntity <T>(this ICypherFluentQuery query, T entity, MergeOptions options) where T : class
{
var context = CypherExtensionContext.Create(query);
string pattern;
if (options.MergeViaRelationship != null)
{
var relationshipSegment = GetAliasLabelCql(string.Empty, options.MergeViaRelationship.EntityLabel());
pattern = GetRelationshipCql(
options.MergeViaRelationship.FromKey
, relationshipSegment
, GetAliasLabelCql(options.MergeViaRelationship.ToKey, entity.EntityLabel()));
}
else
{
pattern = entity.ToCypherString <T, CypherMergeAttribute>(context, options.Identifier, options.MergeOverride);
}
var wrappedPattern = string.Format("{0}({1}){2}", options.PreCql, pattern, options.PostCql);
return(query.CommonMerge(entity, options.Identifier, wrappedPattern, options.MergeOverride, options.OnMatchOverride, options.OnCreateOverride));
}
public CypherExtensionTestHelper()
{
CypherExtensionContext = new CypherExtensionContext();
}
public ConfigWith(CypherExtensionContext context, string label = null)
{
_label = label;
_context = context;
}
public static FluentConfig Config(CypherExtensionContext context = null)
{
return(new FluentConfig(context ?? new CypherExtensionContext()));
}
private FluentConfig(CypherExtensionContext context)
{
_context = context;
}