alexh.weak

Class ParentAbsence.Empty<P extends Dynamic & alexh.weak.Describer>

java.lang.Object

alexh.weak.ParentAbsence<P>

alexh.weak.ParentAbsence.Empty<P>

Enclosing class:

ParentAbsence<Parent extends Dynamic>

public static class ParentAbsence.Empty<P extends Dynamic & alexh.weak.Describer>
extends ParentAbsence<P>

Nested Class Summary

Nested classes/interfaces inherited from class alexh.weak.ParentAbsence

ParentAbsence.Barren<P extends Dynamic & alexh.weak.Describer>, ParentAbsence.Empty<P extends Dynamic & alexh.weak.Describer>

Field Summary

Fields

Modifier and Type	Field and Description
static String	ARROW
protected Object	key
protected Parent	parent

Fields inherited from interface alexh.weak.Dynamic

ROOT_KEY

Constructor Summary

Constructors

Constructor and Description
Empty(P parent, Object key)

Method Summary

Modifier and Type	Method and Description
default <T> T	as(Class<T> type) As Weak.asObject() casting to input type, and providing a better message in the exceptional case
Stream<Dynamic>	children()
protected String	describeIssue(LinkedList<Object> ascendingMarkedKeyChain, Object parentKey)
boolean	equals(Object o)
static alexh.weak.DynamicChild	from(Dynamic parent, Object key, Object val)
int	hashCode()
boolean	isPresent() Returns if this instance wraps a non-null value.
Dynamic	key() Returns Weak instance wrapping the key for this node.
static alexh.weak.DynamicChild	key(Dynamic parent, Object key)
Dynamic	parent()
Parent	parent()
String	toString()

Methods inherited from class alexh.weak.ParentAbsence

asObject, describeIssue, get

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface alexh.weak.Dynamic

allChildren, allChildrenBreadthFirst, allChildrenDepthFirst, children, dget, from, get, key

Methods inherited from interface alexh.weak.Weak

asList, asMap, asOptional, asString, convert, is, isList, isMap, isPresent, isString, maybe

Field Detail

ARROW

public static final String ARROW

See Also:

Constant Field Values

parent

protected final Parent extends Dynamic parent

key

protected final Object key

Constructor Detail

Empty

public Empty(P parent,
             Object key)

Method Detail

describeIssue

protected String describeIssue(LinkedList<Object> ascendingMarkedKeyChain,
                               Object parentKey)

Specified by:

describeIssue in class ParentAbsence<P extends Dynamic & alexh.weak.Describer>

from

public static alexh.weak.DynamicChild from(Dynamic parent,
                                           Object key,
                                           Object val)

key

public static alexh.weak.DynamicChild key(Dynamic parent,
                                          Object key)

parent

public Dynamic parent()

as

public <T> T as(Class<T> type)

Description copied from interface: Dynamic

As Weak.asObject() casting to input type, and providing a better message in the exceptional case

Specified by:

as in interface Dynamic

Specified by:

as in interface Weak<Dynamic>

Type Parameters:

T - cast type

Parameters:

type - cast type

Returns:

unwrapped inner value cast to input type

parent

public Parent parent()

key

public Dynamic key()

Description copied from interface: Dynamic

Returns Weak instance wrapping the key for this node. To get the inner key call Weak.asObject() Top-level Dynamic objects have the key value Dynamic.ROOT_KEY

Returns:

key instance wrapper

isPresent

public boolean isPresent()

Description copied from interface: Weak

Returns if this instance wraps a non-null value. True implies Weak.asObject() will not throw

Returns:

if this instance wraps a non-null value

children

public Stream<Dynamic> children()

Returns:

stream of all immediate children of this instance

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object