Highway.Data.QueryObjects.Query< T > Class Template Reference

The base implementation for Queries that return collections More...

Inheritance diagram for Highway.Data.QueryObjects.Query< T >:

List of all members.

Public Member Functions
virtual IEnumerable< T >	Execute (IDataContext context)
	This executes the expression in ContextQuery on the context that is passed in, resulting in a IQueryable{T} that is returned as an IEnumerable{T}
string	OutputSQLStatement (IDataContext context)
	This executes the expression against the passed in context to generate the SQL statement, but doesn't execute the IQueryableT against the data context
Public Member Functions inherited from Highway.Data.QueryObjects.QueryBase
void	AddMethodExpression (string methodName, Type[] generics, Expression[] parameters)
	Adds a method to the expression in the query object

Protected Member Functions
virtual IQueryable< T >	ExtendQuery ()
	This method allows for the extension of Ordering and Grouping on the prebuild Query
IQueryable< T >	AppendExpressions (IQueryable< T > query)
	Gives the ability to apend an IQueryable onto the current query
Protected Member Functions inherited from Highway.Data.QueryObjects.QueryBase
void	CheckContextAndQuery (object query)
	Checks the context and the Query for null

Properties
Func< IDataContext, IQueryable < T > >	ContextQuery [get, set]
	This holds the expression that will be used to create the IQueryable{T} when executed on the context
Properties inherited from Highway.Data.QueryObjects.QueryBase
IDataContext	Context [get, set]
	The reference to the IDataContext that gives data connection

Additional Inherited Members
Protected Attributes inherited from Highway.Data.QueryObjects.QueryBase
List< Tuple< MethodInfo, Expression[]> >	ExpressionList = new List<Tuple<MethodInfo, Expression[]>>()
	Holds the expressions to be appended
Events inherited from Highway.Data.QueryObjects.QueryBase
EventHandler< PreQueryEventArgs >	PreQuery
	The event fired just before the query goes to the database
EventHandler< PostQueryEventArgs >	PostQuery
	The event fire just after the data is translated into objects but before the data is returned.
Events inherited from Highway.Data.Interfaces.IObservableQuery

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Detailed Description

The base implementation for Queries that return collections

Template Parameters:

T	The Type being requested

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Member Function Documentation

template<T >

IQueryable<T> Highway.Data.QueryObjects.Query< T >.AppendExpressions ( IQueryable< T >  query )

inlineprotected

Gives the ability to apend an IQueryable onto the current query

Parameters:

query

The query containing the expressions to append

Returns:

The combined query

template<T >

virtual IEnumerable<T> Highway.Data.QueryObjects.Query< T >.Execute ( IDataContext  context )

inlinevirtual

This executes the expression in ContextQuery on the context that is passed in, resulting in a IQueryable{T} that is returned as an IEnumerable{T}

Parameters:

context

the data context that the query should be executed against

Returns:

IEnumerable{T}

Implements Highway.Data.Interfaces.IQuery< out T >.

template<T >

virtual IQueryable<T> Highway.Data.QueryObjects.Query< T >.ExtendQuery ( )

inlineprotectedvirtual

This method allows for the extension of Ordering and Grouping on the prebuild Query

Returns:

an IQueryable{T}

template<T >

string Highway.Data.QueryObjects.Query< T >.OutputSQLStatement ( IDataContext  context )

inline

This executes the expression against the passed in context to generate the SQL statement, but doesn't execute the IQueryableT against the data context

Parameters:

context

The data context that the query is evaluated and the SQL is generated against

Returns:

Implements Highway.Data.Interfaces.IQueryBase.

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Property Documentation

template<T >

Func<IDataContext, IQueryable<T> > Highway.Data.QueryObjects.Query< T >.ContextQuery

getsetprotected

This holds the expression that will be used to create the IQueryable{T} when executed on the context

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The documentation for this class was generated from the following file:

• Highway.Data.EntityFramework/QueryObjects/Query.cs