DbExpressionVisitor<TResultType>.Visit Method

Reference

Definition

Namespace:: System.Data.Common.CommandTrees

Assembly:: System.Data.Entity.dll

Important

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Implements the visitor pattern for expressions.

Overloads

Visit(DbLikeExpression)	When overridden in a derived class, implements the visitor pattern for DbLikeExpression.
Visit(DbLimitExpression)	When overridden in a derived class, implements the visitor pattern for DbLimitExpression.
Visit(DbNewInstanceExpression)	When overridden in a derived class, implements the visitor pattern for DbNewInstanceExpression.
Visit(DbNotExpression)	When overridden in a derived class, implements the visitor pattern for DbNotExpression.
Visit(DbNullExpression)	When overridden in a derived class, implements the visitor pattern for DbNullExpression.
Visit(DbOfTypeExpression)	When overridden in a derived class, implements the visitor pattern for DbOfTypeExpression.
Visit(DbOrExpression)	When overridden in a derived class, implements the visitor pattern for DbOrExpression.
Visit(DbParameterReferenceExpression)	When overridden in a derived class, implements the visitor pattern for DbParameterReferenceExpression.
Visit(DbLambdaExpression)	When overridden in a derived class, implements the visitor pattern method for DbLambdaExpression.
Visit(DbProjectExpression)	When overridden in a derived class, implements the visitor pattern for DbProjectExpression.
Visit(DbQuantifierExpression)	When overridden in a derived class, implements the visitor pattern for DbQuantifierExpression.
Visit(DbRefExpression)	When overridden in a derived class, implements the visitor pattern for DbRefExpression.
Visit(DbRefKeyExpression)	When overridden in a derived class, implements the visitor pattern for DbRefKeyExpression.
Visit(DbRelationshipNavigationExpression)	When overridden in a derived class, implements the visitor pattern for DbRelationshipNavigationExpression.
Visit(DbScanExpression)	When overridden in a derived class, implements the visitor pattern for DbScanExpression.
Visit(DbSkipExpression)	When overridden in a derived class, implements the visitor pattern for DbSkipExpression.
Visit(DbSortExpression)	When overridden in a derived class, implements the visitor pattern for DbSortExpression.
Visit(DbTreatExpression)	When overridden in a derived class, implements the visitor pattern for DbTreatExpression.
Visit(DbPropertyExpression)	When overridden in a derived class, implements the visitor pattern for DbPropertyExpression.
Visit(DbJoinExpression)	When overridden in a derived class, implements the visitor pattern for DbJoinExpression.
Visit(DbIsOfExpression)	When overridden in a derived class, implements the visitor pattern for DbIsOfExpression.
Visit(DbIsNullExpression)	When overridden in a derived class, implements the visitor pattern for DbIsNullExpression.
Visit(DbAndExpression)	When overridden in a derived class, implements the visitor pattern for DbAndExpression.
Visit(DbApplyExpression)	When overridden in a derived class, implements the visitor pattern for DbApplyExpression.
Visit(DbArithmeticExpression)	When overridden in a derived class, implements the visitor pattern for DbArithmeticExpression.
Visit(DbCaseExpression)	When overridden in a derived class, implements the visitor pattern for DbCaseExpression.
Visit(DbCastExpression)	When overridden in a derived class, implements the visitor pattern for DbCastExpression.
Visit(DbComparisonExpression)	When overridden in a derived class, implements the visitor pattern for DbComparisonExpression.
Visit(DbConstantExpression)	When overridden in a derived class, implements the visitor pattern for DbConstantExpression.
Visit(DbCrossJoinExpression)	When overridden in a derived class, implements the visitor pattern for DbCrossJoinExpression.
Visit(DbDerefExpression)	When overridden in a derived class, implements the visitor pattern for DbDerefExpression.
Visit(DbDistinctExpression)	When overridden in a derived class, implements the visitor pattern for DbDistinctExpression.
Visit(DbElementExpression)	When overridden in a derived class, implements the visitor pattern for DbElementExpression.
Visit(DbEntityRefExpression)	When overridden in a derived class, implements the visitor pattern for DbEntityRefExpression.
Visit(DbExceptExpression)	When overridden in a derived class, implements the visitor pattern for DbExceptExpression.
Visit(DbExpression)	When overridden in a derived class, handles any expression of an unrecognized type.
Visit(DbFilterExpression)	When overridden in a derived class, implements the visitor pattern for DbFilterExpression.
Visit(DbFunctionExpression)	When overridden in a derived class, implements the visitor pattern for DbFunctionExpression.
Visit(DbGroupByExpression)	When overridden in a derived class, implements the visitor pattern for DbGroupByExpression.
Visit(DbIntersectExpression)	When overridden in a derived class, implements the visitor pattern for DbIntersectExpression.
Visit(DbIsEmptyExpression)	When overridden in a derived class, implements the visitor pattern for DbIsEmptyExpression.
Visit(DbUnionAllExpression)	When overridden in a derived class, implements the visitor pattern for DbUnionAllExpression.
Visit(DbVariableReferenceExpression)	When overridden in a derived class, implements the visitor pattern for DbVariableReferenceExpression.

Visit(DbLikeExpression)

When overridden in a derived class, implements the visitor pattern for DbLikeExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbLikeExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbLikeExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbLikeExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbLikeExpression) As TResultType

Parameters

expression: DbLikeExpression

The DbLikeExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbLimitExpression)

When overridden in a derived class, implements the visitor pattern for DbLimitExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbLimitExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbLimitExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbLimitExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbLimitExpression) As TResultType

Parameters

expression: DbLimitExpression

The DbLimitExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbNewInstanceExpression)

When overridden in a derived class, implements the visitor pattern for DbNewInstanceExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbNewInstanceExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbNewInstanceExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbNewInstanceExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbNewInstanceExpression) As TResultType

Parameters

expression: DbNewInstanceExpression

The DbNewInstanceExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbNotExpression)

When overridden in a derived class, implements the visitor pattern for DbNotExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbNotExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbNotExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbNotExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbNotExpression) As TResultType

Parameters

expression: DbNotExpression

The DbNotExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbNullExpression)

When overridden in a derived class, implements the visitor pattern for DbNullExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbNullExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbNullExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbNullExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbNullExpression) As TResultType

Parameters

expression: DbNullExpression

The DbNullExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbOfTypeExpression)

When overridden in a derived class, implements the visitor pattern for DbOfTypeExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbOfTypeExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbOfTypeExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbOfTypeExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbOfTypeExpression) As TResultType

Parameters

expression: DbOfTypeExpression

The DbOfTypeExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbOrExpression)

When overridden in a derived class, implements the visitor pattern for DbOrExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbOrExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbOrExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbOrExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbOrExpression) As TResultType

Parameters

expression: DbOrExpression

The DbOrExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbParameterReferenceExpression)

When overridden in a derived class, implements the visitor pattern for DbParameterReferenceExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbParameterReferenceExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbParameterReferenceExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbParameterReferenceExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbParameterReferenceExpression) As TResultType

Parameters

expression: DbParameterReferenceExpression

The DbParameterReferenceExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbLambdaExpression)

When overridden in a derived class, implements the visitor pattern method for DbLambdaExpression.

public:
 virtual TResultType Visit(System::Data::Common::CommandTrees::DbLambdaExpression ^ expression);

public virtual TResultType Visit (System.Data.Common.CommandTrees.DbLambdaExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbLambdaExpression -> 'ResultType
override this.Visit : System.Data.Common.CommandTrees.DbLambdaExpression -> 'ResultType

Public Overridable Function Visit (expression As DbLambdaExpression) As TResultType

Parameters

expression: DbLambdaExpression

The DbLambdaExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbProjectExpression)

When overridden in a derived class, implements the visitor pattern for DbProjectExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbProjectExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbProjectExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbProjectExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbProjectExpression) As TResultType

Parameters

expression: DbProjectExpression

The DbProjectExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbQuantifierExpression)

When overridden in a derived class, implements the visitor pattern for DbQuantifierExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbQuantifierExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbQuantifierExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbQuantifierExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbQuantifierExpression) As TResultType

Parameters

expression: DbQuantifierExpression

The DbQuantifierExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbRefExpression)

When overridden in a derived class, implements the visitor pattern for DbRefExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbRefExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbRefExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbRefExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbRefExpression) As TResultType

Parameters

expression: DbRefExpression

The DbRefExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbRefKeyExpression)

When overridden in a derived class, implements the visitor pattern for DbRefKeyExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbRefKeyExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbRefKeyExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbRefKeyExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbRefKeyExpression) As TResultType

Parameters

expression: DbRefKeyExpression

The DbRefKeyExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbRelationshipNavigationExpression)

When overridden in a derived class, implements the visitor pattern for DbRelationshipNavigationExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbRelationshipNavigationExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbRelationshipNavigationExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbRelationshipNavigationExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbRelationshipNavigationExpression) As TResultType

Parameters

expression: DbRelationshipNavigationExpression

The DbRelationshipNavigationExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbScanExpression)

When overridden in a derived class, implements the visitor pattern for DbScanExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbScanExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbScanExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbScanExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbScanExpression) As TResultType

Parameters

expression: DbScanExpression

The DbScanExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbSkipExpression)

When overridden in a derived class, implements the visitor pattern for DbSkipExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbSkipExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbSkipExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbSkipExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbSkipExpression) As TResultType

Parameters

expression: DbSkipExpression

The DbSkipExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbSortExpression)

When overridden in a derived class, implements the visitor pattern for DbSortExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbSortExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbSortExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbSortExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbSortExpression) As TResultType

Parameters

expression: DbSortExpression

The DbSortExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbTreatExpression)

When overridden in a derived class, implements the visitor pattern for DbTreatExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbTreatExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbTreatExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbTreatExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbTreatExpression) As TResultType

Parameters

expression: DbTreatExpression

The DbTreatExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbPropertyExpression)

When overridden in a derived class, implements the visitor pattern for DbPropertyExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbPropertyExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbPropertyExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbPropertyExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbPropertyExpression) As TResultType

Parameters

expression: DbPropertyExpression

The DbPropertyExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbJoinExpression)

When overridden in a derived class, implements the visitor pattern for DbJoinExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbJoinExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbJoinExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbJoinExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbJoinExpression) As TResultType

Parameters

expression: DbJoinExpression

The DbJoinExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbIsOfExpression)

When overridden in a derived class, implements the visitor pattern for DbIsOfExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbIsOfExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbIsOfExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbIsOfExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbIsOfExpression) As TResultType

Parameters

expression: DbIsOfExpression

The DbIsOfExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbIsNullExpression)

When overridden in a derived class, implements the visitor pattern for DbIsNullExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbIsNullExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbIsNullExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbIsNullExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbIsNullExpression) As TResultType

Parameters

expression: DbIsNullExpression

The DbIsNullExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbAndExpression)

When overridden in a derived class, implements the visitor pattern for DbAndExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbAndExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbAndExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbAndExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbAndExpression) As TResultType

Parameters

expression: DbAndExpression

The DbAndExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbApplyExpression)

When overridden in a derived class, implements the visitor pattern for DbApplyExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbApplyExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbApplyExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbApplyExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbApplyExpression) As TResultType

Parameters

expression: DbApplyExpression

The DbApplyExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbArithmeticExpression)

When overridden in a derived class, implements the visitor pattern for DbArithmeticExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbArithmeticExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbArithmeticExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbArithmeticExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbArithmeticExpression) As TResultType

Parameters

expression: DbArithmeticExpression

The DbArithmeticExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbCaseExpression)

When overridden in a derived class, implements the visitor pattern for DbCaseExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbCaseExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbCaseExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbCaseExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbCaseExpression) As TResultType

Parameters

expression: DbCaseExpression

The DbCaseExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbCastExpression)

When overridden in a derived class, implements the visitor pattern for DbCastExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbCastExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbCastExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbCastExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbCastExpression) As TResultType

Parameters

expression: DbCastExpression

The DbCastExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbComparisonExpression)

When overridden in a derived class, implements the visitor pattern for DbComparisonExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbComparisonExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbComparisonExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbComparisonExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbComparisonExpression) As TResultType

Parameters

expression: DbComparisonExpression

The DbComparisonExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbConstantExpression)

When overridden in a derived class, implements the visitor pattern for DbConstantExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbConstantExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbConstantExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbConstantExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbConstantExpression) As TResultType

Parameters

expression: DbConstantExpression

The DbConstantExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbCrossJoinExpression)

When overridden in a derived class, implements the visitor pattern for DbCrossJoinExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbCrossJoinExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbCrossJoinExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbCrossJoinExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbCrossJoinExpression) As TResultType

Parameters

expression: DbCrossJoinExpression

The DbCrossJoinExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbDerefExpression)

When overridden in a derived class, implements the visitor pattern for DbDerefExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbDerefExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbDerefExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbDerefExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbDerefExpression) As TResultType

Parameters

expression: DbDerefExpression

The DbDerefExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbDistinctExpression)

When overridden in a derived class, implements the visitor pattern for DbDistinctExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbDistinctExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbDistinctExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbDistinctExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbDistinctExpression) As TResultType

Parameters

expression: DbDistinctExpression

The DbDistinctExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbElementExpression)

When overridden in a derived class, implements the visitor pattern for DbElementExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbElementExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbElementExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbElementExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbElementExpression) As TResultType

Parameters

expression: DbElementExpression

The DbElementExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbEntityRefExpression)

When overridden in a derived class, implements the visitor pattern for DbEntityRefExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbEntityRefExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbEntityRefExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbEntityRefExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbEntityRefExpression) As TResultType

Parameters

expression: DbEntityRefExpression

The DbEntityRefExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbExceptExpression)

When overridden in a derived class, implements the visitor pattern for DbExceptExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbExceptExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbExceptExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbExceptExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbExceptExpression) As TResultType

Parameters

expression: DbExceptExpression

The DbExceptExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbExpression)

When overridden in a derived class, handles any expression of an unrecognized type.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbExpression) As TResultType

Parameters

expression: DbExpression

The DbExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Remarks

This method is called when an expression of an otherwise unrecognized type is encountered.

Applies to

Visit(DbFilterExpression)

When overridden in a derived class, implements the visitor pattern for DbFilterExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbFilterExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbFilterExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbFilterExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbFilterExpression) As TResultType

Parameters

expression: DbFilterExpression

The DbFilterExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbFunctionExpression)

When overridden in a derived class, implements the visitor pattern for DbFunctionExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbFunctionExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbFunctionExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbFunctionExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbFunctionExpression) As TResultType

Parameters

expression: DbFunctionExpression

The DbFunctionExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbGroupByExpression)

When overridden in a derived class, implements the visitor pattern for DbGroupByExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbGroupByExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbGroupByExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbGroupByExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbGroupByExpression) As TResultType

Parameters

expression: DbGroupByExpression

The DbGroupByExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbIntersectExpression)

When overridden in a derived class, implements the visitor pattern for DbIntersectExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbIntersectExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbIntersectExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbIntersectExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbIntersectExpression) As TResultType

Parameters

expression: DbIntersectExpression

The DbIntersectExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbIsEmptyExpression)

When overridden in a derived class, implements the visitor pattern for DbIsEmptyExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbIsEmptyExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbIsEmptyExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbIsEmptyExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbIsEmptyExpression) As TResultType

Parameters

expression: DbIsEmptyExpression

The DbIsEmptyExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbUnionAllExpression)

When overridden in a derived class, implements the visitor pattern for DbUnionAllExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbUnionAllExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbUnionAllExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbUnionAllExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbUnionAllExpression) As TResultType

Parameters

expression: DbUnionAllExpression

The DbUnionAllExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Visit(DbVariableReferenceExpression)

When overridden in a derived class, implements the visitor pattern for DbVariableReferenceExpression.

public:
 abstract TResultType Visit(System::Data::Common::CommandTrees::DbVariableReferenceExpression ^ expression);

public abstract TResultType Visit (System.Data.Common.CommandTrees.DbVariableReferenceExpression expression);

abstract member Visit : System.Data.Common.CommandTrees.DbVariableReferenceExpression -> 'ResultType

Public MustOverride Function Visit (expression As DbVariableReferenceExpression) As TResultType

Parameters

expression: DbVariableReferenceExpression

The DbVariableReferenceExpression that is being visited.

Returns

TResultType

A result value of a specific type.

Applies to

Κοινή χρήση μέσω

DbExpressionVisitor<TResultType>.Visit Method

Definition

Overloads

Visit(DbLikeExpression)

Parameters

Returns

Applies to

Visit(DbLimitExpression)

Parameters

Returns

Applies to

Visit(DbNewInstanceExpression)

Parameters

Returns

Applies to

Visit(DbNotExpression)

Parameters

Returns

Applies to

Visit(DbNullExpression)

Parameters

Returns

Applies to

Visit(DbOfTypeExpression)

Parameters

Returns

Applies to

Visit(DbOrExpression)

Parameters

Returns

Applies to

Visit(DbParameterReferenceExpression)

Parameters

Returns

Applies to

Visit(DbLambdaExpression)

Parameters

Returns

Applies to

Visit(DbProjectExpression)

Parameters

Returns

Applies to

Visit(DbQuantifierExpression)

Parameters

Returns

Applies to

Visit(DbRefExpression)

Parameters

Returns

Applies to

Visit(DbRefKeyExpression)

Parameters

Returns

Applies to

Visit(DbRelationshipNavigationExpression)

Parameters

Returns

Applies to

Visit(DbScanExpression)

Parameters

Returns

Applies to

Visit(DbSkipExpression)

Parameters

Returns

Applies to

Visit(DbSortExpression)

Parameters

Returns

Applies to

Visit(DbTreatExpression)

Parameters

Returns

Applies to

Visit(DbPropertyExpression)

Parameters

Returns

Applies to