/// <inheritdoc />
protected override Condition HandleListOperation(
Neo4JFilterVisitorContext context,
IFilterField field,
Neo4JFilterScope scope,
string path) =>
field.Type is IComparableOperationFilterInputType
? CreateArrayAllScalar(scope, path)
: CreateArrayAll(scope, path);
/// <summary>
/// Combines all definitions of the <paramref name="scope"/> with and
/// </summary>
/// <param name="scope">The scope where the definitions should be combined</param>
/// <returns>A with and combined filter definition of all definitions of the scope</returns>
protected static Condition CombineOperationsOfScope(Neo4JFilterScope scope)
{
Queue <Condition> level = scope.Level.Peek();
if (level.Count == 1)
{
return(level.Peek());
}
var conditions = new CompoundCondition(Operator.And);
foreach (Condition condition in level)
{
conditions.And(condition);
}
return(conditions);
}
public static bool TryCreateQuery(
this Neo4JFilterScope scope,
[NotNullWhen(true)] out CompoundCondition query)
{
query = null;
if (scope.Level.Peek().Count == 0)
{
return(false);
}
var conditions = new CompoundCondition(Operator.And);
foreach (Condition condition in scope.Level.Peek().ToArray())
{
conditions.And(condition);
}
query = conditions;
return(true);
}
/// <summary>
/// Maps a operation field to a Neo4J list filter definition.
/// This method is called when the <see cref="FilterVisitor{TContext,T}"/> enters a
/// field
/// </summary>
/// <param name="context">The context of the visitor</param>
/// <param name="field">The currently visited filter field</param>
/// <param name="scope">The current scope of the visitor</param>
/// <param name="path">The path that leads to this visitor</param>
/// <returns></returns>
protected abstract Condition HandleListOperation(
Neo4JFilterVisitorContext context,
IFilterField field,
Neo4JFilterScope scope,
string path);
/// <inheritdoc />
protected override Condition HandleListOperation(
Neo4JFilterVisitorContext context,
IFilterField field,
Neo4JFilterScope scope,
string path) =>
new CompoundCondition(Operator.And);
public static string GetPath(this Neo4JFilterScope scope) =>
string.Join(".", scope.Path.Reverse());
private static Condition CreateArrayAllScalar(Neo4JFilterScope scope, string path) => new CompoundCondition(Operator.And);
