org.fastnate.generator.statements

Class PrimitiveColumnExpression<T>

java.lang.Object

org.fastnate.generator.statements.PrimitiveColumnExpression<T>

Type Parameters:

T - the type of the primitive value

All Implemented Interfaces:

ColumnExpression

public class PrimitiveColumnExpression<T>
extends Object
implements ColumnExpression

A ColumnExpression which contains a primitive value.

Author:

Tobias Liefke

Field Summary

Fields

Modifier and Type	Field and Description
private Function<T,String>	converter Converts the primitive value to an SQL string.
private T	databaseValue The primitive database value (which may be used in an prepared statement).
static PrimitiveColumnExpression<Object>	NULL Represents an expression of a null value.
private T	value The original primitive value.

Constructor Summary

Constructors

Constructor and Description
PrimitiveColumnExpression(T value, Function<T,String> converter) Creates a new instance of an expression where the original value is the database value.
PrimitiveColumnExpression(T value, T databaseValue, Function<T,String> converter)

Method Summary

Modifier and Type	Method and Description
static <N extends Number> PrimitiveColumnExpression<N>	create(N value, GeneratorDialect dialect) Creates a new instance of PrimitiveColumnExpression for a number.
static PrimitiveColumnExpression<String>	create(String value, GeneratorDialect dialect) Creates a new instance of a PrimitiveColumnExpression for a string.
Function<T,String>	getConverter() Converts the primitive value to an SQL string.
T	getDatabaseValue() The primitive database value (which may be used in an prepared statement).
T	getValue() The original primitive value.
String	toSql() Generates the SQL for this expression.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.fastnate.generator.statements.ColumnExpression

appendSql

Field Detail

NULL

public static final PrimitiveColumnExpression<Object> NULL

Represents an expression of a null value.

value

private final T value

The original primitive value.

databaseValue

private final T databaseValue

The primitive database value (which may be used in an prepared statement).

converter

private final Function<T,String> converter

Converts the primitive value to an SQL string.

Constructor Detail

PrimitiveColumnExpression

public PrimitiveColumnExpression(T value,
                                 Function<T,String> converter)

Creates a new instance of an expression where the original value is the database value.

Parameters:

value - the primitive value

converter - converts the primitive value to an SQL string

PrimitiveColumnExpression

@ConstructorProperties(value={"value","databaseValue","converter"})
 @Generated(value="lombok")
public PrimitiveColumnExpression(T value,
                                                                                                                                   T databaseValue,
                                                                                                                                   Function<T,String> converter)

Method Detail

create

public static final <N extends Number> PrimitiveColumnExpression<N> create(N value,
                                                                           GeneratorDialect dialect)

Creates a new instance of PrimitiveColumnExpression for a number.

Parameters:

value - the number value

dialect - the dialect of the current database

Returns:

the new expression

create

public static final PrimitiveColumnExpression<String> create(String value,
                                                             GeneratorDialect dialect)

Creates a new instance of a PrimitiveColumnExpression for a string.

Parameters:

value - the string value

dialect - the dialect of the current database

Returns:

the new expression

toSql

public String toSql()

Description copied from interface: ColumnExpression

Generates the SQL for this expression.

Specified by:

toSql in interface ColumnExpression

Returns:

the SQL string

toString

public String toString()

Overrides:

toString in class Object

getValue

@Generated(value="lombok")
public T getValue()

The original primitive value.

getDatabaseValue

@Generated(value="lombok")
public T getDatabaseValue()

The primitive database value (which may be used in an prepared statement).

getConverter

@Generated(value="lombok")
public Function<T,String> getConverter()

Converts the primitive value to an SQL string.