org.sql.generation.api.grammar.factories
Interface LiteralFactory

public interface LiteralFactory

A factory to create various literal expressions. This factory is obtainable from SQLVendor.

Author:

Stanislav Muhametsin

See Also:

SQLVendor

Method Summary

DateTimeLiteral	dt(java.sql.Date date) Creates a literal, which has some date as content.
SQLFunctionLiteral	func(java.lang.String name, ValueExpression... parameters) Creates a literal, which represents a use of SQL function.
DirectLiteral	l(java.lang.String literalContents) Creates a literal, which has some textual content.
NumericLiteral	n(java.lang.Number number) Creates a literal, which has some number as contents.
DirectLiteral	param() Returns literal, representing a parameter (?)
StringLiteral	s(java.lang.String stringContents) Creates new string literal, that is, a string to be enclosed in ' -characters.

Method Detail

s

StringLiteral s(java.lang.String stringContents)

Creates new string literal, that is, a string to be enclosed in ' -characters.

Parameters:

stringContents - The contents of string literal.

Returns:

The new StringLiteral

param

DirectLiteral param()

Returns literal, representing a parameter (?) in parameterized SQL statement.

Returns:

The expression representing parameter (?) in parameterized SQL statement.

l

DirectLiteral l(java.lang.String literalContents)

Creates a literal, which has some textual content. This content will be used directly when processing SQL statement.

Parameters:

literalContents - The contents to be used.

Returns:

The new DirectLiteral.

dt

DateTimeLiteral dt(java.sql.Date date)

Creates a literal, which has some date as content.

Parameters:

date - The date to use.

Returns:

The new DateTimeLiteral.

n

NumericLiteral n(java.lang.Number number)

Creates a literal, which has some number as contents.

Parameters:

number - The number to use.

Returns:

The new NumericLiteral.

func

SQLFunctionLiteral func(java.lang.String name,
                        ValueExpression... parameters)

Creates a literal, which represents a use of SQL function.

Parameters:

name - The name of function.

parameters - The parameters for function.

Returns:

The new SQLFunctionLiteral.