Module io.helidon.config

Package io.helidon.config

Interface MergeableNode

All Superinterfaces:

ConfigNode

All Known Implementing Classes:

ObjectNodeImpl, ValueNodeImpl

public interface MergeableNode
extends ConfigNode

Extension of ConfigNode that supports merging with other nodes.

Nested Class Summary

Nested classes/interfaces inherited from interface io.helidon.config.spi.ConfigNode

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

Method Summary

Modifier and Type	Method	Description
boolean	hasValue()	Each node may have a direct value, and in addition may be an object node or a list node.
MergeableNode	merge(MergeableNode node)	Returns new instance mergeable node of same type of original one that merges also with specified node.

Methods inherited from interface io.helidon.config.spi.ConfigNode

nodeType, value

Method Detail

merge

MergeableNode merge(MergeableNode node)
             throws ConfigException

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

Parameters:

node - node to be used to merge with

Returns:

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

Throws:

ConfigException - in case it if not possible to merge original node with new one.

hasValue

boolean hasValue()

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.

Returns:

true if this node contains a value