com.suncode.pwfl.core.type

Class TypeBase<T>

java.lang.Object

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

All Implemented Interfaces:

Type<T>

Direct Known Subclasses:

ArrayType, FunctionType, JsonTypeBase, VariableType

@Api
public abstract class TypeBase<T>
extends Object
implements Type<T>

Type base. Provides common type logic.

Author:

Cezary Kozar 16 maj 2016

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	TypeBase.Convert<A,T> Conversion between aliased type and base type.

Field Summary

Fields

Modifier and Type	Field and Description
protected static Class<?>[]	NO_ALIASES

Constructor Summary

Constructors

Constructor and Description
TypeBase(Class<T> javaType, T defaultValue)

Method Summary

Modifier and Type	Method and Description
protected <S> void	aliasType(Class<S> type, TypeBase.Convert<S,T> aliased)
abstract T	convert(String value) Returns string value converted to Object of this type
T	defaultValue() Returns default value for this type.
protected <I,O> O	doReadAs(I value, Class<I> in, Class<O> out)
protected boolean	isAssignable(Class<?> source, Class<?> target)
protected boolean	isForceInstanceWhenReading()
boolean	isInstance(Class<?> type) Checks if given class instances will be considered an instance of this type Type.isInstance(Object).
boolean	isInstance(Object value) Checks if given value is instance of this type.
Class<T>	javaType() Returns Java Class that represents value of this type.
T	read(Object value) Reads given value as this type base java type Type.javaType().
<I,O> O	readAs(I value, Class<O> type) Reads given value as specified type instance.
protected void	setForceInstanceWhenReading(boolean forceInstanceWhenReading)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.suncode.pwfl.core.type.Type

name

Field Detail

NO_ALIASES

protected static final Class<?>[] NO_ALIASES

Constructor Detail

TypeBase

public TypeBase(Class<T> javaType,
                T defaultValue)

Method Detail

setForceInstanceWhenReading

protected void setForceInstanceWhenReading(boolean forceInstanceWhenReading)

isForceInstanceWhenReading

protected boolean isForceInstanceWhenReading()

javaType

public Class<T> javaType()

Description copied from interface: Type

Returns Java Class that represents value of this type.

Specified by:

javaType in interface Type<T>

Returns:

defaultValue

public T defaultValue()

Description copied from interface: Type

Returns default value for this type.
String -> ""
Integer -> 0
Float -> 0.0
Date -> null
DateTime -> null
Function -> null
Variable -> null
Array -> empty array

Specified by:

defaultValue in interface Type<T>

Returns:

isInstance

public boolean isInstance(Object value)

Description copied from interface: Type

Checks if given value is instance of this type.

Specified by:

isInstance in interface Type<T>

Parameters:

value - any value

Returns:

true if value is instance of this type, false otherwise

aliasType

protected <S> void aliasType(Class<S> type,
                             TypeBase.Convert<S,T> aliased)

isInstance

public boolean isInstance(Class<?> type)

Description copied from interface: Type

Checks if given class instances will be considered an instance of this type Type.isInstance(Object).

Specified by:

isInstance in interface Type<T>

Parameters:

type - class

Returns:

true if class instances will be considered instance of this type, false otherwise

isAssignable

protected boolean isAssignable(Class<?> source,
                               Class<?> target)

read

public T read(Object value)

Description copied from interface: Type

Reads given value as this type base java type Type.javaType(). Specified value must be an instance of this type (Type.isInstance(Object)).

Specified by:

read in interface Type<T>

Parameters:

value - any value that is instance of this type

Returns:

given value read as Type.javaType() class

readAs

public <I,O> O readAs(I value,
                      Class<O> type)

Description copied from interface: Type

Reads given value as specified type instance. Specified value and type must meet Type.isInstance(Class) requirements.

Specified by:

readAs in interface Type<T>

Parameters:

value - value

type - output type

Returns:

given value read as given type

doReadAs

protected <I,O> O doReadAs(I value,
                           Class<I> in,
                           Class<O> out)

toString

public String toString()

Overrides:

toString in class Object

convert

public abstract T convert(String value)

Description copied from interface: Type

Returns string value converted to Object of this type

Specified by:

convert in interface Type<T>

Parameters:

value - to convert

Returns:

converted object