/// <summary>
/// Asserts that two configurations have the same properties.
/// </summary>
private static void AssertConfigsAreEqual(QueryAlias x, QueryAlias y)
{
Assert.IsNotNull(x);
Assert.IsNotNull(y);
Assert.AreEqual(x.FullName, y.FullName);
Assert.AreEqual(x.Alias, y.Alias);
}
public override Node VisitQueryAlias(QueryAlias alias)
{
base.VisitQueryAlias(alias);
Composer c = this.GetComposer(alias.Expression);
if (c == null)
{
c = this.contextComposer;
}
Expression res = (Expression)this.Compose(alias, c);
return(res);
}
public GetAlbumsByGenreResponse GetAlbumsByGenre(GetAlbumsByGenreRequest request)
{
var response = new GetAlbumsByGenreResponse();
var albumQuery = new Query();
albumQuery.AddAlias(QueryAlias.CreateAlias <Album>(g => g.Genre));
albumQuery.Add(Criterion.Create <Album, Genre>(a => a.Genre, g => g.Name, request.Genre, CriteriaOperator.Equal));
var albums = _albumRepository.FindAll(albumQuery);
response.Albums = albums.ConvertToAlbumViews();
return(response);
}
public virtual Node VisitQueryAlias(QueryAlias alias, QueryAlias changes, QueryAlias deletions, QueryAlias insertions){
this.UpdateSourceContext(alias, changes);
if (alias == null) return changes;
if (changes != null){
if (deletions == null || insertions == null)
Debug.Assert(false);
else{
}
}else if (deletions != null)
return null;
return alias;
}
public virtual Differences VisitQueryAlias(QueryAlias alias1, QueryAlias alias2){
Differences differences = new Differences(alias1, alias2);
if (alias1 == null || alias2 == null){
if (alias1 != alias2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
QueryAlias changes = (QueryAlias)alias2.Clone();
QueryAlias deletions = (QueryAlias)alias2.Clone();
QueryAlias insertions = (QueryAlias)alias2.Clone();
Differences diff = this.VisitExpression(alias1.Expression, alias2.Expression);
if (diff == null){Debug.Assert(false); return differences;}
changes.Expression = diff.Changes as Expression;
deletions.Expression = diff.Deletions as Expression;
insertions.Expression = diff.Insertions as Expression;
Debug.Assert(diff.Changes == changes.Expression && diff.Deletions == deletions.Expression && diff.Insertions == insertions.Expression);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
diff = this.VisitIdentifier(alias1.Name, alias2.Name);
if (diff == null){Debug.Assert(false); return differences;}
changes.Name = diff.Changes as Identifier;
deletions.Name = diff.Deletions as Identifier;
insertions.Name = diff.Insertions as Identifier;
Debug.Assert(diff.Changes == changes.Name && diff.Deletions == deletions.Name && diff.Insertions == insertions.Name);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
if (differences.NumberOfDifferences == 0){
differences.Changes = null;
differences.Deletions = null;
differences.Insertions = null;
}else{
differences.Changes = changes;
differences.Deletions = deletions;
differences.Insertions = insertions;
}
return differences;
}
public virtual Node VisitQueryAlias(QueryAlias alias){
if (alias == null) return null;
alias.Expression = this.VisitExpression(alias.Expression);
return alias;
}
public override Node VisitQueryAlias(QueryAlias qa) {
if (qa == null) return null;
qa.Expression = this.VisitExpression(qa.Expression);
if (qa.Type == null || qa.Expression == null || qa.Expression.Type == null) return null;
return qa;
}
public override Node VisitQueryAlias(QueryAlias alias){
if (alias == null) return null;
alias.Expression = this.VisitExpression(alias.Expression);
alias.Type = alias.Expression.Type;
return alias;
}
public virtual void VisitQueryAlias(QueryAlias alias){
if (alias == null) return;
this.VisitExpression(alias.Expression);
}
public override Node VisitQueryAlias(QueryAlias alias){
if (alias == null) return null;
return base.VisitQueryAlias((QueryAlias)alias.Clone());
}
public virtual Node VisitQueryAlias(QueryAlias alias1, QueryAlias alias2){
if (alias1 == null) return null;
if (alias2 == null)
alias1.Expression = this.VisitExpression(alias1.Expression, null);
else
alias1.Expression = this.VisitExpression(alias1.Expression, alias2.Expression);
return alias1;
}
public override Node VisitQueryAlias(QueryAlias qa) {
return this.Visit(qa.Expression);
}
public void AddAlias(QueryAlias alias)
{
_aliases.Add(alias);
}
public override Node VisitQueryAlias(QueryAlias alias) {
base.VisitQueryAlias(alias);
Composer c = this.GetComposer(alias.Expression);
if (c == null) c = this.contextComposer;
Expression res = (Expression) this.Compose(alias, c);
return res;
}
public EventingVisitor(Action<QueryAlias> visitQueryAlias) { VisitedQueryAlias += visitQueryAlias; } public event Action<QueryAlias> VisitedQueryAlias; public override Node VisitQueryAlias(QueryAlias alias) { if (VisitedQueryAlias != null) VisitedQueryAlias(alias); return base.VisitQueryAlias(alias); }
