public IEnumerable<T> Resolve(ResolveFieldContext context)
{
var zzz3 = context.ParentType.Fields.Single(f => f.Name == context.Document.Operations.Single().SelectionSet.Selections.OfType<Field>().Single().Name);
var zzz = context.Schema.FindType("order");
var zzz2 = context.Schema.Query.Fields.Single(f => f.Name == context.FieldAst.Name);
var barcode = context.GetArgument<string>("barcode");
var title = context.GetArgument<string>("title");
var sellingPrice = context.GetArgument<decimal>("sellingPrice");
var results = new List<T>();
var odataParser = new ODataUriParser(_edmModel, new Uri("http://dummy"), new Uri("http://dummy/Orders?$expand=Customer&$select=Name"));
odataParser.Resolver.EnableCaseInsensitive = true;
//ODataUri odataUri = odataParser.ParseUri();
var translator = new OeGraphQLAstToODataUri(_edmModel, context.Schema);
ODataUri odataUri = translator.Translate(context.Document.OriginalQuery);
var odataQuery = odataUri.BuildUri(ODataUrlKeyDelimiter.Parentheses);
var parser = new OeGetParser(_dataAdapter, _edmModel);
Parsers.OeQueryContext queryContext = parser.CreateQueryContext(odataUri, 0, false, OeMetadataLevel.Minimal);
Db.OeAsyncEnumerator asyncEnumerator = _dataAdapter.ExecuteEnumerator(context.UserContext, queryContext, CancellationToken.None);
using (var entityAsyncEnumerator = new OeEntityAsyncEnumerator<T>(queryContext.EntryFactory, asyncEnumerator, queryContext))
{
while (entityAsyncEnumerator.MoveNext().GetAwaiter().GetResult())
results.Add((T)entityAsyncEnumerator.Current);
}
return results;
}
private OeAsyncEnumerator ExecuteGet(IEdmModel refModel, ODataUri odataUri, OeRequestHeaders headers, CancellationToken cancellationToken, IQueryable source)
{
var parser = new OeGetParser(refModel);
_queryContext = parser.CreateQueryContext(odataUri, headers.MaxPageSize, headers.NavigationNextLink, headers.MetadataLevel);
if (odataUri.Path.LastSegment is OperationSegment)
{
return(OeOperationHelper.ApplyBoundFunction(_queryContext));
}
if (source != null)
{
_queryContext.QueryableSource = e => e == _queryContext.EntryFactory.EntitySet ? source : null;
}
if (_queryContext.IsCountSegment)
{
headers.ResponseContentType = OeRequestHeaders.TextDefault.ContentType;
int count = _dataAdapter.ExecuteScalar <int>(_dataContext, _queryContext);
return(new OeScalarAsyncEnumeratorAdapter(Task.FromResult((Object)count), cancellationToken));
}
return(_dataAdapter.ExecuteEnumerator(_dataContext, _queryContext, cancellationToken));
}
private static Uri BuildNavigationNextPageLink(OeEntryFactory entryFactory, ExpandedNavigationSelectItem expandedNavigationSelectItem, Object value)
{
var segment = (NavigationPropertySegment)expandedNavigationSelectItem.PathToNavigationProperty.LastSegment;
IEdmNavigationProperty navigationProperty = segment.NavigationProperty;
if (navigationProperty.IsPrincipal())
{
navigationProperty = navigationProperty.Partner;
}
var keys = new List <KeyValuePair <IEdmStructuralProperty, Object> >();
IEnumerator <IEdmStructuralProperty> dependentProperties = navigationProperty.DependentProperties().GetEnumerator();
foreach (IEdmStructuralProperty key in navigationProperty.PrincipalProperties())
{
dependentProperties.MoveNext();
Object keyValue = entryFactory.GetAccessorByName(key.Name).GetValue(value);
keys.Add(new KeyValuePair <IEdmStructuralProperty, Object>(dependentProperties.Current, keyValue));
}
ResourceRangeVariableReferenceNode refNode = OeEdmClrHelper.CreateRangeVariableReferenceNode((IEdmEntitySet)segment.NavigationSource);
BinaryOperatorNode filterExpression = OeGetParser.CreateFilterExpression(refNode, keys);
if (expandedNavigationSelectItem.FilterOption != null)
{
filterExpression = new BinaryOperatorNode(BinaryOperatorKind.And, filterExpression, expandedNavigationSelectItem.FilterOption.Expression);
}
var segments = new ODataPathSegment[] { new EntitySetSegment((IEdmEntitySet)refNode.NavigationSource) };
var odataUri = new ODataUri()
{
Path = new ODataPath(segments),
Filter = new FilterClause(filterExpression, refNode.RangeVariable),
OrderBy = expandedNavigationSelectItem.OrderByOption,
SelectAndExpand = expandedNavigationSelectItem.SelectAndExpand,
Top = expandedNavigationSelectItem.TopOption,
Skip = expandedNavigationSelectItem.SkipOption,
QueryCount = expandedNavigationSelectItem.CountOption
};
return(odataUri.BuildUri(ODataUrlKeyDelimiter.Parentheses));
}
protected OeAsyncEnumerator GetAsyncEnumerator(HttpContext httpContext, Stream responseStream, bool navigationNextLink = false, int?maxPageSize = null)
{
var odataParser = new ODataUriParser(_edmModel, UriHelper.GetBaseUri(httpContext.Request), UriHelper.GetUri(httpContext.Request));
odataParser.Resolver.EnableCaseInsensitive = true;
ODataUri odataUri = odataParser.ParseUri();
var requestHeaders = (FrameRequestHeaders)httpContext.Request.Headers;
OeRequestHeaders headers = GetRequestHeaders(requestHeaders, httpContext.Response, navigationNextLink, maxPageSize);
if (odataUri.Path.LastSegment is OperationImportSegment)
{
return(Execute(odataUri, httpContext.Request.Body, headers, httpContext.RequestAborted));
}
var getParser = new OeGetParser(_dataAdapter, _edmModel);
_queryContext = getParser.CreateQueryContext(odataUri, headers.MaxPageSize, headers.NavigationNextLink, headers.MetadataLevel);
return(Execute(headers, responseStream, httpContext.RequestAborted));
}
public void Test()
{
SelectTestDefinition[] requestMethodNames = SelectTestDefinition.GetSelectTestDefinitions();
requestMethodNames = requestMethodNames.Where(t => t.MethodName == "FilterEnum" || t.MethodName == "FilterEnumNull").ToArray();
var fixture = new DbFixtureInitDb();
var parser = new OeGetParser(fixture.OeDataAdapter, fixture.EdmModel);
for (int i = 0; i < requestMethodNames.Length; i++)
{
OeQueryContext queryContext1 = parser.CreateQueryContext(fixture.ParseUri(requestMethodNames[i].Request), 0, false, OeMetadataLevel.Minimal);
OeQueryContext queryContext2 = parser.CreateQueryContext(fixture.ParseUri(requestMethodNames[i].Request), 0, false, OeMetadataLevel.Minimal);
var constantToParameterMapper = new FakeReadOnlyDictionary <ConstantNode, Db.OeQueryCacheDbParameterDefinition>();
if (queryContext1.ODataUri.Skip != null)
{
var constantNode = OeCacheComparerParameterValues.CreateSkipConstantNode((int)queryContext1.ODataUri.Skip.Value, queryContext1.ODataUri.Path);
constantToParameterMapper.Add(constantNode, new Db.OeQueryCacheDbParameterDefinition("p_0", typeof(int)));
}
if (queryContext1.ODataUri.Top != null)
{
var constantNode = OeCacheComparerParameterValues.CreateTopConstantNode((int)queryContext1.ODataUri.Top.Value, queryContext1.ODataUri.Path);
constantToParameterMapper.Add(constantNode, new Db.OeQueryCacheDbParameterDefinition($"p_{constantToParameterMapper.Count}", typeof(int)));
}
OeCacheContext cacheContext1 = queryContext1.CreateCacheContext();
OeCacheContext cacheContext2 = queryContext2.CreateCacheContext();
bool result = new OeCacheComparer(constantToParameterMapper, false).Compare(cacheContext1, cacheContext2);
Assert.True(result);
for (int j = i + 1; j < requestMethodNames.Length; j++)
{
queryContext2 = parser.CreateQueryContext(fixture.ParseUri(requestMethodNames[j].Request), 0, false, OeMetadataLevel.Minimal);
constantToParameterMapper = new FakeReadOnlyDictionary <ConstantNode, Db.OeQueryCacheDbParameterDefinition>();
result = new OeCacheComparer(constantToParameterMapper, false).Compare(cacheContext1, cacheContext2);
Assert.False(result);
}
}
}
public void Test()
{
SelectTestDefinition[] requestMethodNames = TestHelper.GetSelectTestDefinitions();
requestMethodNames = requestMethodNames.Where(t => t.MethodName == "FilterEnum" || t.MethodName == "FilterEnumNull").ToArray();
var fixture = new DbFixtureInitDb();
var baseUri = new Uri("http://dummy/");
var parser = new OeGetParser(baseUri, fixture.OeDataAdapter, fixture.EdmModel);
for (int i = 0; i < requestMethodNames.Length; i++)
{
OeParseUriContext parseUriContext1 = parser.ParseUri(fixture.ParseUri(requestMethodNames[i].Request));
OeParseUriContext parseUriContext2 = parser.ParseUri(fixture.ParseUri(requestMethodNames[i].Request));
var constantToParameterMapper = new FakeReadOnlyDictionary <ConstantNode, Db.OeQueryCacheDbParameterDefinition>();
if (parseUriContext1.ODataUri.Skip != null)
{
var constantNode = OeODataUriComparerParameterValues.CreateSkipConstantNode((int)parseUriContext1.ODataUri.Skip.Value, parseUriContext1.ODataUri.Path);
constantToParameterMapper.Add(constantNode, new Db.OeQueryCacheDbParameterDefinition("p_0", typeof(int)));
}
if (parseUriContext1.ODataUri.Top != null)
{
var constantNode = OeODataUriComparerParameterValues.CreateTopConstantNode((int)parseUriContext1.ODataUri.Top.Value, parseUriContext1.ODataUri.Path);
constantToParameterMapper.Add(constantNode, new Db.OeQueryCacheDbParameterDefinition($"p_{constantToParameterMapper.Count}", typeof(int)));
}
bool result = new OeODataUriComparer(constantToParameterMapper).Compare(parseUriContext1, parseUriContext2);
Assert.True(result);
for (int j = i + 1; j < requestMethodNames.Length; j++)
{
parseUriContext2 = parser.ParseUri(fixture.ParseUri(requestMethodNames[j].Request));
constantToParameterMapper = new FakeReadOnlyDictionary <ConstantNode, Db.OeQueryCacheDbParameterDefinition>();
result = new OeODataUriComparer(constantToParameterMapper).Compare(parseUriContext1, parseUriContext2);
Assert.False(result);
}
}
}
//[Fact]
public void CacheCode()
{
var hashes = new Dictionary <int, List <String> >();
SelectTestDefinition[] requestMethodNames = SelectTestDefinition.GetSelectTestDefinitions();
var fixture = new DbFixtureInitDb();
var parser = new OeGetParser(fixture.OeDataAdapter, fixture.EdmModel);
for (int i = 0; i < requestMethodNames.Length; i++)
{
OeQueryContext queryContext = parser.CreateQueryContext(fixture.ParseUri(requestMethodNames[i].Request), 0, false, OeMetadataLevel.Minimal);
int hash = OeCacheComparer.GetCacheCode(queryContext.CreateCacheContext());
if (!hashes.TryGetValue(hash, out List <String> value))
{
value = new List <String>();
hashes.Add(hash, value);
}
value.Add(requestMethodNames[i].MethodName);
}
var duplicate = hashes.Where(p => p.Value.Count > 1).Select(p => p.Value).ToArray();
}
//[Fact]
public void CacheCode()
{
var hashes = new Dictionary <int, List <String> >();
SelectTestDefinition[] requestMethodNames = TestHelper.GetSelectTestDefinitions();
var fixture = new DbFixtureInitDb();
var parser = new OeGetParser(new Uri("http://dummy/"), fixture.OeDataAdapter, fixture.EdmModel);
for (int i = 0; i < requestMethodNames.Length; i++)
{
OeParseUriContext parseUriContext = parser.ParseUri(new Uri(parser.BaseUri + requestMethodNames[i].Request));
int hash = OeODataUriComparer.GetCacheCode(parseUriContext);
List <String> value;
if (!hashes.TryGetValue(hash, out value))
{
value = new List <String>();
hashes.Add(hash, value);
}
value.Add(requestMethodNames[i].MethodName);
}
var duplicate = hashes.Where(p => p.Value.Count > 1).Select(p => p.Value).ToArray();
}
private static Uri BuildNavigationNextPageLink(IEdmModel edmModel, OeEntryFactory entryFactory, ExpandedNavigationSelectItem expandedNavigationSelectItem, Object value)
{
SingleValueNode filterExpression;
ResourceRangeVariableReferenceNode refNode;
var segment = (NavigationPropertySegment)expandedNavigationSelectItem.PathToNavigationProperty.LastSegment;
IEdmNavigationProperty navigationProperty = segment.NavigationProperty;
if (navigationProperty.ContainsTarget)
{
ModelBuilder.ManyToManyJoinDescription joinDescription = edmModel.GetManyToManyJoinDescription(navigationProperty);
navigationProperty = joinDescription.JoinNavigationProperty.Partner;
IEdmEntitySet joinNavigationSource = OeEdmClrHelper.GetEntitySet(edmModel, joinDescription.JoinNavigationProperty);
ResourceRangeVariableReferenceNode joinRefNode = OeEdmClrHelper.CreateRangeVariableReferenceNode(joinNavigationSource, "d");
IEdmEntitySet targetNavigationSource = OeEdmClrHelper.GetEntitySet(edmModel, joinDescription.TargetNavigationProperty);
ResourceRangeVariableReferenceNode targetRefNode = OeEdmClrHelper.CreateRangeVariableReferenceNode(targetNavigationSource);
var anyNode = new AnyNode(new Collection <RangeVariable>()
{
joinRefNode.RangeVariable, targetRefNode.RangeVariable
}, joinRefNode.RangeVariable)
{
Source = new CollectionNavigationNode(targetRefNode, joinDescription.TargetNavigationProperty.Partner, null),
Body = OeGetParser.CreateFilterExpression(joinRefNode, GetKeys(navigationProperty))
};
refNode = targetRefNode;
filterExpression = anyNode;
}
else
{
if (navigationProperty.IsPrincipal())
{
navigationProperty = navigationProperty.Partner;
}
refNode = OeEdmClrHelper.CreateRangeVariableReferenceNode((IEdmEntitySetBase)segment.NavigationSource);
filterExpression = OeGetParser.CreateFilterExpression(refNode, GetKeys(navigationProperty));
}
if (expandedNavigationSelectItem.FilterOption != null)
{
filterExpression = new BinaryOperatorNode(BinaryOperatorKind.And, filterExpression, expandedNavigationSelectItem.FilterOption.Expression);
}
var pathSegments = new ODataPathSegment[] { new EntitySetSegment((IEdmEntitySet)refNode.NavigationSource) };
var odataUri = new ODataUri()
{
Path = new ODataPath(pathSegments),
Filter = new FilterClause(filterExpression, refNode.RangeVariable),
OrderBy = expandedNavigationSelectItem.OrderByOption,
SelectAndExpand = expandedNavigationSelectItem.SelectAndExpand,
Top = expandedNavigationSelectItem.TopOption,
Skip = expandedNavigationSelectItem.SkipOption,
QueryCount = expandedNavigationSelectItem.CountOption
};
return(odataUri.BuildUri(ODataUrlKeyDelimiter.Parentheses));
List <KeyValuePair <IEdmStructuralProperty, Object> > GetKeys(IEdmNavigationProperty edmNavigationProperty)
{
var keys = new List <KeyValuePair <IEdmStructuralProperty, Object> >();
IEnumerator <IEdmStructuralProperty> dependentProperties = edmNavigationProperty.DependentProperties().GetEnumerator();
foreach (IEdmStructuralProperty key in edmNavigationProperty.PrincipalProperties())
{
dependentProperties.MoveNext();
Object keyValue = entryFactory.GetAccessorByName(key.Name).GetValue(value);
keys.Add(new KeyValuePair <IEdmStructuralProperty, Object>(dependentProperties.Current, keyValue));
}
return(keys);
}
}
