Class ClientQueryProviderBase<TExpressionParser>
A base Query provider for the Client implementation
Inheritance
Namespace: ImageVault.Client.Query
Assembly: ImageVault.Client.dll
Syntax
public abstract class ClientQueryProviderBase<TExpressionParser> : Object, IClientQueryProvider where TExpressionParser : ExpressionVisitor, IIvExpressionParserType Parameters
| Name | Description |
|---|---|
| TExpressionParser |
Constructors
ClientQueryProviderBase(TExpressionParser)
Declaration
protected ClientQueryProviderBase(TExpressionParser parser)Parameters
| Type | Name | Description |
|---|---|---|
| TExpressionParser | parser |
Properties
Client
Get/Sets the Client of the MediaItemQueryProvider
Declaration
public IClient Client { get; set; }Property Value
| Type | Description |
|---|---|
| IClient |
Methods
CreateQuery(Expression)
Constructs an System.Linq.IQueryable object that can evaluate the query represented by a specified expression tree.
Declaration
public abstract IQueryable CreateQuery(Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | An expression tree that represents a LINQ query. |
Returns
| Type | Description |
|---|---|
| System.Linq.IQueryable | An System.Linq.IQueryable that can evaluate the query represented by the specified expression tree. |
CreateQuery<TElement>(Expression)
Constructs an System.Linq.IQueryable<> object that can evaluate the query represented by a specified expression tree.
Declaration
public abstract IQueryable<TElement> CreateQuery<TElement>(Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | An expression tree that represents a LINQ query. |
Returns
| Type | Description |
|---|---|
| System.Linq.IQueryable<TElement> | An System.Linq.IQueryable<> that can evaluate the query represented by the specified expression tree. |
Type Parameters
| Name | Description |
|---|---|
| TElement | The type of the elements of the System.Linq.IQueryable<> that is returned. |
Execute(Expression)
Executes the query represented by a specified expression tree.
Declaration
public object Execute(Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | An expression tree that represents a LINQ query. |
Returns
| Type | Description |
|---|---|
| System.Object | The value that results from executing the specified query. |
Execute<TResult>(Expression)
Executes the strongly-typed query represented by a specified expression tree.
Declaration
public TResult Execute<TResult>(Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression | An expression tree that represents a LINQ query. |
Returns
| Type | Description |
|---|---|
| TResult | The value that results from executing the specified query. |
Type Parameters
| Name | Description |
|---|---|
| TResult | The type of the value that results from executing the query. |
ExecuteInner(Expression)
Declaration
protected object ExecuteInner(Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression |
Returns
| Type | Description |
|---|---|
| System.Object |
Exceptions
| Type | Condition |
|---|---|
| System.InvalidProgramException | If no query over the data source was specified. |
IsQueryOverDataSource(Expression)
Checks if the query uses the datasource
Declaration
protected static bool IsQueryOverDataSource(Expression expression)Parameters
| Type | Name | Description |
|---|---|---|
| System.Linq.Expressions.Expression | expression |
Returns
| Type | Description |
|---|---|
| System.Boolean | True if query over data is source, otherwise false. |