com.suncode.pwfl.core.type

Class TypedValue<T>

java.lang.Object

com.suncode.pwfl.core.type.TypedValue<T>

@Api
public class TypedValue<T>
extends Object

Value wrapper with known Type. Also provides type information for null values.

Author:

Cezary Kozar 31 maj 2016

Constructor Summary

Constructors

Constructor and Description
TypedValue(T value)
TypedValue(T value, Type<T> type)

Method Summary

Methods

Modifier and Type	Method and Description
T	get() Returns raw value ( not evaluated in case of EvaluableType types).
Type<?>	getEvaluableType() Returns type, that this value will evaluate to when calling getEvaluatedValue() without parameters.
<V> V	getEvaluatedValue() Returns evaluated value.
<V> V	getEvaluatedValue(Class<V> targetClass) Returns value as target class.
Type<T>	getType() Returns this value type.
boolean	isInstanceOf(Type<?> target) Checks if this value is instance of specified type.
static <T> TypedValue<T>	nullValue(Type<T> type) Creates null value with given type.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

TypedValue

public TypedValue(T value)

TypedValue

public TypedValue(T value,
          Type<T> type)

Method Detail

nullValue

public static <T> TypedValue<T> nullValue(Type<T> type)

Creates null value with given type.

Parameters:

type - value type

Returns:

typed value

get

public T get()

Returns raw value ( not evaluated in case of EvaluableType types).

Returns:

raw value

getType

public final Type<T> getType()

Returns this value type.

Returns:

value type

isInstanceOf

public boolean isInstanceOf(Type<?> target)

Checks if this value is instance of specified type. Also checks EvaluableType.evaluatedType(Object) e.g. returns true for string if this value is function that returns string values.

Parameters:

target - target type

Returns:

true is value retrieved from getEvaluatedValue(Class) will be instance of specified type

getEvaluableType

public Type<?> getEvaluableType()

Returns type, that this value will evaluate to when calling getEvaluatedValue() without parameters.

Returns:

type of this value in evaluated form

getEvaluatedValue

public <V> V getEvaluatedValue()

Returns evaluated value. This value is evaluated if type is instance of EvaluableType

Returns:

evaluated value

getEvaluatedValue

public <V> V getEvaluatedValue(Class<V> targetClass)

Returns value as target class. This value is evaluated if type is instance of EvaluableType.

Parameters:

targetClass - target class

Returns:

evaluated value

toString

public String toString()

Overrides:

toString in class Object