public FamilyTree()
{
//Initialise the DB layer or service to be consumed.
//In case you want this can be injected by sevice discovery or Dependency injection pattern too.
_familyDBInstance = new InMemoryFamilyDatabase();
_relationLookup = new RelationshipLookup();
}
public void SetRelationshipLookupTest1()
{
IEntity entity1 = new ProperSingularNoun("John");
IVerbal verb = new PastTenseVerb("walked");
IEntity entity2 = new NounPhrase(new Determiner("the"), new CommonSingularNoun("store"));
verb.BindSubject(entity1);
verb.BindDirectObject(entity2);
IEnumerable <IVerbal> domain = new[] { verb };
IRelationshipLookup <IEntity, IVerbal> relationshipLookup = CreateRelationshipLookup(domain);
// Without calling RelationShipInferenceExtensions.SetRelationshipLookup(entity1, relationshipLookup) beforehand
Check.ThatCode(() => entity1.IsRelatedTo(entity2)).Throws <InvalidOperationException>();
}
public void SetRelationshipLookupTest4()
{
IEntity entity1 = new ProperSingularNoun("John");
IVerbal verb = new PastTenseVerb("walked");
IEntity entity2 = new NounPhrase(new Determiner("the"), new CommonSingularNoun("store"));
verb.BindSubject(entity1);
verb.BindDirectObject(entity2); IEnumerable <IVerbal> domain = new[] { verb };
IRelationshipLookup <IEntity, IVerbal> relationshipLookup = CreateRelationshipLookup(domain);
RelationshipInferenceExtensions.SetRelationshipLookup(entity1, relationshipLookup);
ActionsRelatedOn?actual;
actual = entity1.IsRelatedTo(new NounPhrase(new Determiner("the"), new CommonSingularNoun("store")));
Check.That(actual).IsNull();// After calling RelationShipInferenceExtensions.SetRelationshipLookup(entity1, relationshipLookup);
}
/// <summary>
/// Creates a new relationship lookup with the same domain as the first but uses the given comparison function to compare <typeparamref name="TEntity"/>s.
/// </summary>
/// <typeparam name="TEntity">The type of the entities in the lookup.</typeparam>
/// <typeparam name="TVerbal">The type of the verbals in the lookup.</typeparam>
/// <param name="lookup">The source lookup.</param>
/// <param name="entityEquator">The comparison function the resulting lookup will use to compare <typeparamref name="TEntity"/>s.</param>
/// <returns>A new relationship lookup with the same domain as the first but uses the given comparison function to compare <typeparamref name="TEntity"/>s.</returns>
public static IRelationshipLookup <TEntity, TVerbal> UsingEntityComparer <TEntity, TVerbal>(this IRelationshipLookup <TEntity, TVerbal> lookup, Func <TEntity, TEntity, bool> entityEquator)
where TEntity : class, IEntity
where TVerbal : class, IVerbal => new RelationshipLookup <TEntity, TVerbal>(lookup, entityEquator, entityEquator);
/// <summary>
/// Associates the given IEntity to the given IRelationshipLookup. All future searches involving the provided entity will be done in the context of the provided lookup.
/// </summary>
/// <param name="entity">The IEntity to associate to a lookup context.</param>
/// <param name="relationshipLookup">The IRelationshipLookup instance providing a lookup context for the entity.</param>
public static void SetRelationshipLookup(this IEntity entity, IRelationshipLookup <IEntity, IVerbal> relationshipLookup)
{
entityLookupContexts.AddOrUpdate(entity, relationshipLookup, (k, v) => relationshipLookup);
}
/// <summary>
/// Initializes a new instance of the RelationshipLookup class from the domain of an exiting RelationshipLookup;
/// </summary>
/// <param name="domain">The RelationshipLookup instance which contains the relevant lexical data set.</param>
/// <param name="performerComparer">A predicate function which determines how to find matches for action Performer.</param>
/// <param name="receiverComparer">A predicate function which determines how to find matches for action Receiver.</param>
public RelationshipLookup(IRelationshipLookup <TEntity, TVerbal> domain, Func <TEntity, TEntity, bool> performerComparer, Func <TEntity, TEntity, bool> receiverComparer)
: this(domain.VerbalRelationshipDomain, EqualityComparer <TVerbal> .Default.Equals, performerComparer, receiverComparer)
{
}
