C# Class Azavea.Open.DAO.Criteria.Joins.LeftPropertyValueEqualJoinExpression

Inheritance: AbstractPropertyValueJoinExpression

Public Methods

Method	Description
Flip ( ) : IJoinExpression	For some implementations, it's simpler to only implement one-sided joins. So to handle right (or left) joins, you want to flip the criteria so the right and left daos are swapped and you can do a left (or right) join instead.
Invert ( ) : IExpression	Produces an expression that is the exact opposite of this expression. The new expression should exclude everything this one includes, and include everything this one excludes.
LeftPropertyValueEqualJoinExpression ( string property, object value ) : System	For joins that use one field from the Left DAO and compares on a value.
LeftPropertyValueEqualJoinExpression ( string property, object value, bool trueOrNot ) : System	For joins that use one field from the Left DAO and compares on a value.

Method Details

Flip() public method

For some implementations, it's simpler to only implement one-sided joins. So to handle right (or left) joins, you want to flip the criteria so the right and left daos are swapped and you can do a left (or right) join instead.

public Flip ( ) : IJoinExpression
return	IJoinExpression

Invert() public method

Produces an expression that is the exact opposite of this expression. The new expression should exclude everything this one includes, and include everything this one excludes.

public Invert ( ) : IExpression
return	IExpression

LeftPropertyValueEqualJoinExpression() public method

For joins that use one field from the Left DAO and compares on a value.

public LeftPropertyValueEqualJoinExpression ( string property, object value ) : System
property	string	The name of the property on the object returned by the /// Left DAO.
value	object	The value that the given property is compared to.
return	System

LeftPropertyValueEqualJoinExpression() public method

For joins that use one field from the Left DAO and compares on a value.

public LeftPropertyValueEqualJoinExpression ( string property, object value, bool trueOrNot ) : System
property	string	The name of the property on the object returned by the /// Left DAO.
value	object	The value that the given property is compared to.
trueOrNot	bool	True means look for matches (I.E. ==), /// false means look for non-matches (I.E. !=)
return	System