public static Db.OeBoundFunctionParameter CreateBoundFunctionParameter(OeQueryContext queryContext)
{
var expressionBuilder = new OeExpressionBuilder(queryContext.JoinBuilder);
Type sourceEntityType = queryContext.EntitySetAdapter.EntityType;
IEdmEntitySet sourceEntitySet = OeEdmClrHelper.GetEntitySet(queryContext.EdmModel, queryContext.EntitySetAdapter.EntitySetName);
Expression source = OeEnumerableStub.CreateEnumerableStubExpression(sourceEntityType, sourceEntitySet);
source = expressionBuilder.ApplyNavigation(source, queryContext.ParseNavigationSegments);
IEdmEntitySet targetEntitySet = OeOperationHelper.GetEntitySet(queryContext.ODataUri.Path);
if (sourceEntitySet != targetEntitySet)
{
queryContext.ODataUri.Path = new ODataPath(new EntitySetSegment(targetEntitySet));
}
expressionBuilder = new OeExpressionBuilder(queryContext.JoinBuilder);
Type targetEntityType = queryContext.EdmModel.GetClrType(targetEntitySet.EntityType());
Expression target = OeEnumerableStub.CreateEnumerableStubExpression(targetEntityType, targetEntitySet);
target = expressionBuilder.ApplySelect(target, queryContext);
var sourceQueryExpression = new OeQueryExpression(queryContext.EdmModel, sourceEntitySet, source);
var targetQueryExpression = new OeQueryExpression(queryContext.EdmModel, targetEntitySet, target)
{
EntryFactory = expressionBuilder.CreateEntryFactory(targetEntitySet)
};
Type boundFunctionParameterType = typeof(Db.OeBoundFunctionParameter <,>).MakeGenericType(new[] { sourceEntityType, targetEntityType });
ConstructorInfo ctor = boundFunctionParameterType.GetConstructor(new[] { typeof(OeQueryExpression), typeof(OeQueryExpression) });
return((Db.OeBoundFunctionParameter)ctor.Invoke(new Object[] { sourceQueryExpression, targetQueryExpression }));
}
public Expression CreateExpression(IQueryable query, OeConstantToVariableVisitor constantToVariableVisitor)
{
Expression expression;
var expressionBuilder = new OeExpressionBuilder(EdmModel, EntitySetAdapter.EntityType);
expression = Expression.Constant(null, typeof(IEnumerable <>).MakeGenericType(EntitySetAdapter.EntityType));
expression = expressionBuilder.ApplyNavigation(expression, ParseNavigationSegments);
expression = expressionBuilder.ApplyFilter(expression, ODataUri.Filter);
expression = expressionBuilder.ApplySkipToken(expression, SkipTokenParser, ODataUri.SkipToken);
expression = expressionBuilder.ApplyAggregation(expression, ODataUri.Apply);
expression = expressionBuilder.ApplySelect(expression, this);
expression = expressionBuilder.ApplyOrderBy(expression, ODataUri.OrderBy);
expression = expressionBuilder.ApplySkip(expression, ODataUri.Skip, ODataUri.Path);
expression = expressionBuilder.ApplyTake(expression, ODataUri.Top, ODataUri.Path);
expression = expressionBuilder.ApplyCount(expression, IsCountSegment);
if (!IsCountSegment)
{
EntryFactory = CreateEntryFactory(expressionBuilder);
}
expression = constantToVariableVisitor.Translate(expression, expressionBuilder.Constants);
if (ODataUri.QueryCount.GetValueOrDefault())
{
CountExpression = CreateCountExpression(query, expression);
}
return(SourceVisitor.Translate(query, expression));
}
public Expression CreateExpression(OeConstantToVariableVisitor constantToVariableVisitor)
{
Expression expression;
var expressionBuilder = new OeExpressionBuilder(EdmModel, EntitySetAdapter.EntityType);
expression = Expression.Constant(null, typeof(IEnumerable <>).MakeGenericType(EntitySetAdapter.EntityType));
expression = expressionBuilder.ApplyNavigation(expression, ParseNavigationSegments);
expression = expressionBuilder.ApplyFilter(expression, ODataUri.Filter);
expression = expressionBuilder.ApplySkipToken(expression, SkipTokenNameValues, ODataUri.OrderBy, IsDatabaseNullHighestValue);
expression = expressionBuilder.ApplyAggregation(expression, ODataUri.Apply);
expression = expressionBuilder.ApplySelect(expression, this);
expression = expressionBuilder.ApplyOrderBy(expression, ODataUri.OrderBy);
expression = expressionBuilder.ApplySkip(expression, ODataUri.Skip, ODataUri.Path);
expression = expressionBuilder.ApplyTake(expression, ODataUri.Top, ODataUri.Path);
expression = expressionBuilder.ApplyCount(expression, IsCountSegment);
if (!IsCountSegment)
{
EntryFactory = CreateEntryFactory(expressionBuilder);
}
if (SkipTokenNameValues != null)
{
SkipTokenAccessors = OeSkipTokenParser.GetAccessors(expression, ODataUri.OrderBy);
}
return(constantToVariableVisitor.Translate(expression, expressionBuilder.Constants));
}
public Expression CreateExpression(out IReadOnlyDictionary <ConstantExpression, ConstantNode> constants)
{
Initialize();
Expression expression;
var expressionBuilder = new OeExpressionBuilder(_joinBuilder);
IEdmEntitySet entitySet = OeEdmClrHelper.GetEntitySet(EdmModel, EntitySetAdapter.EntitySetName);
expression = OeEnumerableStub.CreateEnumerableStubExpression(EntitySetAdapter.EntityType, entitySet);
expression = expressionBuilder.ApplyNavigation(expression, ParseNavigationSegments);
if (ODataUri.Apply == null)
{
expression = expressionBuilder.ApplyFilter(expression, ODataUri.Filter);
expression = expressionBuilder.ApplySelect(expression, this);
}
else
{
expression = expressionBuilder.ApplyAggregation(expression, ODataUri.Apply);
expression = expressionBuilder.ApplyFilter(expression, ODataUri.Filter);
expression = expressionBuilder.ApplySkipToken(expression, SkipTokenNameValues, ODataUri.OrderBy, IsDatabaseNullHighestValue); //order by aggregation
expression = expressionBuilder.ApplyOrderBy(expression, ODataUri.OrderBy);
expression = expressionBuilder.ApplySkip(expression, ODataUri.Skip, ODataUri.Path);
expression = expressionBuilder.ApplyTake(expression, ODataUri.Top, ODataUri.Path);
}
if (ODataUri.Path.LastSegment is CountSegment)
{
expression = expressionBuilder.ApplyCount(expression, true);
}
else
{
OePropertyAccessor[] skipTokenAccessors = OeSkipTokenParser.GetAccessors(expression, ODataUri.OrderBy, _joinBuilder);
EntryFactory = CreateEntryFactory(expressionBuilder, skipTokenAccessors);
}
constants = expressionBuilder.Constants;
return(expression);
}
public Expression CreateExpression(IQueryable query, OeConstantToVariableVisitor constantToVariableVisitor)
{
Expression expression;
var expressionBuilder = new OeExpressionBuilder(EdmModel, EntitySetAdapter.EntityType);
expression = Expression.Constant(null, typeof(IEnumerable <>).MakeGenericType(EntitySetAdapter.EntityType));
expression = expressionBuilder.ApplyNavigation(expression, ParseNavigationSegments);
expression = expressionBuilder.ApplyFilter(expression, ODataUri.Filter);
expression = expressionBuilder.ApplyAggregation(expression, ODataUri.Apply);
expression = expressionBuilder.ApplySelect(expression, ODataUri.SelectAndExpand, ODataUri.Path, Headers.MetadataLevel);
expression = expressionBuilder.ApplyOrderBy(expression, ODataUri.OrderBy);
expression = expressionBuilder.ApplySkip(expression, ODataUri.Skip, ODataUri.Path);
expression = expressionBuilder.ApplyTake(expression, ODataUri.Top, ODataUri.Path);
expression = expressionBuilder.ApplyCount(expression, IsCountSegment);
if (!IsCountSegment)
{
EntryFactory = CreateEntryFactory(expressionBuilder);
}
expression = constantToVariableVisitor.Translate(expression, expressionBuilder.Constants);
return(SourceVisitor.Translate(query, expression));
}
public Expression CreateExpression(OeConstantToVariableVisitor constantToVariableVisitor)
{
Expression expression;
var expressionBuilder = new OeExpressionBuilder(JoinBuilder);
IEdmEntitySet entitySet = OeEdmClrHelper.GetEntitySet(EdmModel, EntitySetAdapter.EntitySetName);
expression = OeEnumerableStub.CreateEnumerableStubExpression(EntitySetAdapter.EntityType, entitySet);
expression = expressionBuilder.ApplyNavigation(expression, ParseNavigationSegments);
expression = expressionBuilder.ApplyFilter(expression, ODataUri.Filter);
if (ODataUri.Apply == null)
{
expression = expressionBuilder.ApplySelect(expression, this);
}
else
{
expression = expressionBuilder.ApplySkipToken(expression, SkipTokenNameValues, ODataUri.OrderBy, IsDatabaseNullHighestValue);
expression = expressionBuilder.ApplyAggregation(expression, ODataUri.Apply);
expression = expressionBuilder.ApplyOrderBy(expression, ODataUri.OrderBy);
expression = expressionBuilder.ApplySkip(expression, ODataUri.Skip, ODataUri.Path);
expression = expressionBuilder.ApplyTake(expression, ODataUri.Top, ODataUri.Path);
}
expression = expressionBuilder.ApplyCount(expression, IsCountSegment);
if (!IsCountSegment)
{
EntryFactory = CreateEntryFactory(expressionBuilder);
}
if (SkipTokenNameValues != null)
{
SkipTokenAccessors = OeSkipTokenParser.GetAccessors(expression, ODataUri.OrderBy, JoinBuilder);
}
return(constantToVariableVisitor.Translate(expression, expressionBuilder.Constants));
}
