Class ValueNodeImpl

java.lang.Object

io.helidon.config.ValueNodeImpl

All Implemented Interfaces:

MergeableNode, ConfigNode, ConfigNode.ValueNode

public class ValueNodeImpl
extends Object
implements ConfigNode.ValueNode, MergeableNode

Implements ConfigNode.ValueNode.

Nested Class Summary

Nested classes/interfaces inherited from interface ConfigNode

ConfigNode.ListNode, ConfigNode.NodeType, ConfigNode.ObjectNode, ConfigNode.ValueNode

Modifier and Type	Interface	Description
static interface	ConfigNode.ListNode	ConfigNode-based list of configuration values.
static enum	ConfigNode.NodeType	Base types of config nodes.
static interface	ConfigNode.ObjectNode	Configuration node representing a hierarchical structure parsed by a suitable ConfigParser if necessary.
static interface	ConfigNode.ValueNode	Single string-based configuration value.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ValueNodeImpl(String value)	Initialize node.

Method Summary

Modifier and Type	Method	Description
static ValueNodeImpl	create(String value)	Create a value node for the provided value.
String	description()	Description of this node.
boolean	equals(Object o)
String	get()	Get the value of this value node.
int	hashCode()
boolean	hasValue()	Each node may have a direct value, and in addition may be an object node or a list node.
ValueNodeImpl	initDescription(String description)	Initialize diagnostics description of source of node instance.
MergeableNode	merge(MergeableNode node)	Returns new instance mergeable node of same type of original one that merges also with specified node.
String	toString()
Optional<String>	value()	Get the direct value of this config node.

Methods inherited from class Object

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

Methods inherited from interface ConfigNode.ValueNode

nodeType

Modifier and Type	Method	Description
default ConfigNode.NodeType	nodeType()	Get the type of this node.

Constructor Details

ValueNodeImpl

protected ValueNodeImpl(String value)

Initialize node.

Parameters:

value - node value

Method Details

value

public Optional<String> value()

Description copied from interface: ConfigNode

Get the direct value of this config node. Any node type can have a direct value.

Specified by:

value in interface ConfigNode

Returns:

a value if present, empty otherwise

get

public String get()

Description copied from interface: ConfigNode.ValueNode

Get the value of this value node.

Specified by:

get in interface ConfigNode.ValueNode

Returns:

string with the node value

create

public static ValueNodeImpl create(String value)

Create a value node for the provided value.

Parameters:

value - value of this node

Returns:

value node for the value

merge

public MergeableNode merge(MergeableNode node)

Description copied from interface: MergeableNode

Returns new instance mergeable node of same type of original one that merges also with specified node.

Specified by:

merge in interface MergeableNode

Parameters:

node - node to be used to merge with

Returns:

new instance of mergeable node that combines original node with specified one

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

initDescription

public ValueNodeImpl initDescription(String description)

Initialize diagnostics description of source of node instance.

Parameters:

description - diagnostics description

Returns:

this instance

description

public String description()

Description of this node.

Returns:

description of the node.

hasValue

public boolean hasValue()

Description copied from interface: MergeableNode

Each node may have a direct value, and in addition may be an object node or a list node. This method returns true for any node with direct value.

Specified by:

hasValue in interface MergeableNode

Returns:

true if this node contains a value