org.bridje.sql

Interface Expression<T,E>

Type Parameters:

T - The final java type of the expression.

E - The result set read java type of the expression.

All Superinterfaces:

SQLWritable

All Known Subinterfaces:

ArithmeticExpr<T,E>, ArrayExpr<T,E>, BooleanColumn<T,E>, BooleanExpr<T,E>, Column<T,E>, DateColumn<T,E>, DateExpr<T,E>, Literal<T,E>, NumberColumn<T,E>, StringColumn<T,E>, StringExpr<T,E>

public interface Expression<T,E>
extends SQLWritable

An SQL expression.

Method Summary

Modifier and Type	Method and Description
OrderExpr	asc() Creates a new order by expression that orders for this expression in an ascending manner.
OrderExpr	desc() Creates a new order by expression that orders for this expression in a descending manner.
BooleanExpr<Boolean,Boolean>	eq(Expression<T,E> operand) Creates a new boolean expression that performs the equals comparation of this expression with the given one.
BooleanExpr<Boolean,Boolean>	eq(T operand) Creates a new boolean expression that performs the equals comparation of this expression with the given operand.
SQLType<T,E>	getSQLType() The SQL type for this expression.
BooleanExpr<Boolean,Boolean>	in(ArrayExpr<T,E> array) Creates a new boolean expression that performs the "in" search of this expression with in the given array.
BooleanExpr<Boolean,Boolean>	isNull() Creates a new boolean expression that performs the "is null" comparation for this expression.
BooleanExpr<Boolean,Boolean>	ne(Expression<T,E> operand) Creates a new boolean expression that performs the non equals comparation of this expression with the given one.
BooleanExpr<Boolean,Boolean>	ne(T operand) Creates a new boolean expression that performs the non equals comparation of this expression with the given operand.

Methods inherited from interface org.bridje.sql.SQLWritable

writeSQL

Method Detail

getSQLType

SQLType<T,E> getSQLType()

The SQL type for this expression.

Returns:

The SQLType for this expression.

eq

BooleanExpr<Boolean,Boolean> eq(Expression<T,E> operand)

Creates a new boolean expression that performs the equals comparation of this expression with the given one.

Parameters:

operand - The second operand.

Returns:

The new boolean expression.

ne

BooleanExpr<Boolean,Boolean> ne(Expression<T,E> operand)

Creates a new boolean expression that performs the non equals comparation of this expression with the given one.

Parameters:

operand - The second operand.

Returns:

The new boolean expression.

eq

BooleanExpr<Boolean,Boolean> eq(T operand)

Creates a new boolean expression that performs the equals comparation of this expression with the given operand.

Parameters:

operand - The second operand.

Returns:

The new boolean expression.

ne

BooleanExpr<Boolean,Boolean> ne(T operand)

Creates a new boolean expression that performs the non equals comparation of this expression with the given operand.

Parameters:

operand - The second operand.

Returns:

The new boolean expression.

isNull

BooleanExpr<Boolean,Boolean> isNull()

Creates a new boolean expression that performs the "is null" comparation for this expression.

Returns:

The new boolean expression.

in

BooleanExpr<Boolean,Boolean> in(ArrayExpr<T,E> array)

Creates a new boolean expression that performs the "in" search of this expression with in the given array.

Parameters:

array - The array of elements to look for this expression.

Returns:

The new boolean expression.

asc

OrderExpr asc()

Creates a new order by expression that orders for this expression in an ascending manner.

Returns:

The new order by expression .

desc

OrderExpr desc()

Creates a new order by expression that orders for this expression in a descending manner.

Returns:

The new order by expression .