org.torpedoquery.jpa

Class TorpedoFunction

java.lang.Object

org.torpedoquery.jpa.TorpedoFunction

Direct Known Subclasses:

Torpedo

public class TorpedoFunction
extends Object

Constructor Summary

Constructors

Constructor and Description
TorpedoFunction()

Method Summary

Modifier and Type	Method and Description
static <T> Function<T>	asc(T object) asc.
static <V,T extends Comparable<V>> ComparableFunction<V>	avg(Function<T> number) avg.
static <V,T extends Comparable<V>> ComparableFunction<V>	avg(T number) avg.
static <T,E extends Function<T>> E	coalesce(E... values) coalesce.
static <T> Function<T>	coalesce(T... values) coalesce.
static <V,T extends Comparable<V>> ComparableFunction<V>	comparableFunction(String name, Class<V> returnType, Object value) comparableFunction.
static <T> Function<T>	constant(T constant) constant.
static <V,T extends Comparable<V>> ComparableFunction<T>	constant(T constant) constant.
static Function<Long>	count(Object object) count.
static <T> Function<T>	desc(T object) desc.
static <T> Function<T>	distinct(T object) distinct.
static <T> Function<T>	dyn(T object) Hibernate calls this "dynamic instantiation".
static <T> Function<T>	function(String name, Class<T> returnType, Object value) Use this method to call functions witch are not supported natively by Torpedo
static <T> ComparableFunction<Integer>	index(T object) index.
static ComparableFunction<Integer>	length(Function<String> function) length.
static ComparableFunction<Integer>	length(String field) length.
static Function<String>	lower(Function<String> function) lower.
static Function<String>	lower(String field) lower.
static <V,T extends Comparable<V>> ComparableFunction<V>	max(Function<T> number) max.
static <V,T extends Comparable<V>> ComparableFunction<V>	max(T number) max.
static <V,T extends Comparable<V>> ComparableFunction<V>	min(Function<T> number) min.
static <V,T extends Comparable<V>> ComparableFunction<V>	min(T number) min.
static <T> OnGoingMathOperation<T>	operation(Function<T> left) operation.
static <T> OnGoingMathOperation<T>	operation(T left) operation.
static Function<String>	substring(Function<String> param, int beginIndex, int endIndex) substring.
static Function<String>	substring(String param, int beginIndex, int endIndex) substring.
static <V,T extends Comparable<V>> ComparableFunction<V>	sum(Function<T> number) sum.
static <V,T extends Comparable<V>> ComparableFunction<V>	sum(T number) sum.
static Function<String>	trim(Function<String> function) trim.
static Function<String>	trim(String field) trim.
static Function<String>	upper(Function<String> function) upper.
static Function<String>	upper(String field) upper.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TorpedoFunction

public TorpedoFunction()

Method Detail

count

public static Function<Long> count(Object object)

count.

Parameters:

object - a Object object.

Returns:

a Function object.

sum

public static <V,T extends Comparable<V>> ComparableFunction<V> sum(T number)

sum.

Type Parameters:

V - a V object.

Parameters:

number - a T object.

Returns:

a ComparableFunction object.

sum

public static <V,T extends Comparable<V>> ComparableFunction<V> sum(Function<T> number)

sum.

Type Parameters:

V - a V object.

Parameters:

number - a Function object.

Returns:

a ComparableFunction object.

min

public static <V,T extends Comparable<V>> ComparableFunction<V> min(T number)

min.

Type Parameters:

V - a V object.

Parameters:

number - a T object.

Returns:

a ComparableFunction object.

min

public static <V,T extends Comparable<V>> ComparableFunction<V> min(Function<T> number)

min.

Type Parameters:

V - a V object.

Parameters:

number - a Function object.

Returns:

a ComparableFunction object.

max

public static <V,T extends Comparable<V>> ComparableFunction<V> max(T number)

max.

Type Parameters:

V - a V object.

Parameters:

number - a T object.

Returns:

a ComparableFunction object.

max

public static <V,T extends Comparable<V>> ComparableFunction<V> max(Function<T> number)

max.

Type Parameters:

V - a V object.

Parameters:

number - a Function object.

Returns:

a ComparableFunction object.

avg

public static <V,T extends Comparable<V>> ComparableFunction<V> avg(T number)

avg.

Type Parameters:

V - a V object.

Parameters:

number - a T object.

Returns:

a ComparableFunction object.

avg

public static <V,T extends Comparable<V>> ComparableFunction<V> avg(Function<T> number)

avg.

Type Parameters:

V - a V object.

Parameters:

number - a Function object.

Returns:

a ComparableFunction object.

coalesce

public static <T,E extends Function<T>> E coalesce(E... values)

coalesce.

Type Parameters:

T - a T object.

Parameters:

values - a E object.

Returns:

a E object.

coalesce

public static <T> Function<T> coalesce(T... values)

coalesce.

Type Parameters:

T - a T object.

Parameters:

values - a T object.

Returns:

a Function object.

dyn

public static <T> Function<T> dyn(T object)

Hibernate calls this "dynamic instantiation". JPQL supports some of this feature and calls it a "constructor expression". dyn(new ProjectionEntity( param(entity.getCode()), param(entity.getIntegerField()) Important: you need to wrap each constructor parameter with a param() call

Type Parameters:

T - a T object.

Parameters:

object - a T object.

Returns:

a Function object.

distinct

public static <T> Function<T> distinct(T object)

distinct.

Type Parameters:

T - a T object.

Parameters:

object - a T object.

Returns:

a Function object.

constant

public static <T> Function<T> constant(T constant)

constant.

Type Parameters:

T - a T object.

Parameters:

constant - a T object.

Returns:

a Function object.

constant

public static <V,T extends Comparable<V>> ComparableFunction<T> constant(T constant)

constant.

Type Parameters:

V - a V object.

Parameters:

constant - a T object.

Returns:

a ComparableFunction object.

index

public static <T> ComparableFunction<Integer> index(T object)

index.

Type Parameters:

T - a T object.

Parameters:

object - a T object.

Returns:

a ComparableFunction object.

function

public static <T> Function<T> function(String name,
                                       Class<T> returnType,
                                       Object value)

Use this method to call functions witch are not supported natively by Torpedo

Type Parameters:

T - a T object.

Parameters:

name - a String object.

returnType - a Class object.

value - a Object object.

Returns:

your custom function

comparableFunction

public static <V,T extends Comparable<V>> ComparableFunction<V> comparableFunction(String name,
                                                                                   Class<V> returnType,
                                                                                   Object value)

comparableFunction.

Type Parameters:

V - a V object.

Parameters:

name - a String object.

returnType - a Class object.

value - a Object object.

Returns:

a ComparableFunction object.

asc

public static <T> Function<T> asc(T object)

asc.

Type Parameters:

T - a T object.

Parameters:

object - a T object.

Returns:

a Function object.

desc

public static <T> Function<T> desc(T object)

desc.

Type Parameters:

T - a T object.

Parameters:

object - a T object.

Returns:

a Function object.

operation

public static <T> OnGoingMathOperation<T> operation(T left)

operation.

Type Parameters:

T - a T object.

Parameters:

left - a T object.

Returns:

a OnGoingMathOperation object.

operation

public static <T> OnGoingMathOperation<T> operation(Function<T> left)

operation.

Type Parameters:

T - a T object.

Parameters:

left - a Function object.

Returns:

a OnGoingMathOperation object.

trim

public static Function<String> trim(String field)

trim.

Parameters:

field - a String object.

Returns:

a Function object.

trim

public static Function<String> trim(Function<String> function)

trim.

Parameters:

function - a Function object.

Returns:

a Function object.

lower

public static Function<String> lower(String field)

lower.

Parameters:

field - a String object.

Returns:

a Function object.

lower

public static Function<String> lower(Function<String> function)

lower.

Parameters:

function - a Function object.

Returns:

a Function object.

upper

public static Function<String> upper(String field)

upper.

Parameters:

field - a String object.

Returns:

a Function object.

upper

public static Function<String> upper(Function<String> function)

upper.

Parameters:

function - a Function object.

Returns:

a Function object.

length

public static ComparableFunction<Integer> length(String field)

length.

Parameters:

field - a String object.

Returns:

a ComparableFunction object.

length

public static ComparableFunction<Integer> length(Function<String> function)

length.

Parameters:

function - a Function object.

Returns:

a ComparableFunction object.

substring

public static Function<String> substring(String param,
                                         int beginIndex,
                                         int endIndex)

substring.

Parameters:

param - a String object.

beginIndex - a int.

endIndex - a int.

Returns:

a Function object.

substring

public static Function<String> substring(Function<String> param,
                                         int beginIndex,
                                         int endIndex)

substring.

Parameters:

param - a Function object.

beginIndex - a int.

endIndex - a int.

Returns:

a Function object.