org.eclipse.milo.opcua.sdk.server.api

Interface NodeManager<T extends Node>

All Known Implementing Classes:

AbstractNodeManager, EmptyNodeManager, UaNodeManager

public interface NodeManager<T extends Node>

Method Summary

Modifier and Type	Method and Description
Optional<T>	addNode(T node) Add node to this NodeManager, replacing a previous Node identified by the same NodeId if it exists.
void	addReference(Reference reference) Add reference to this NodeManager.
void	addReferences(Reference reference, NamespaceTable namespaceTable) Add reference and its inverse to this NodeManager.
boolean	containsNode(ExpandedNodeId nodeId, NamespaceTable namespaceTable) Return true if this NodeManager contains nodeId.
default boolean	containsNode(Node node) Return true if this NodeManager contains node.
boolean	containsNode(NodeId nodeId) Return true if this NodeManager contains the Node identified by nodeId.
default T	get(ExpandedNodeId nodeId, NamespaceTable namespaceTable) Get the Node identified by nodeId from this NodeManager, or null if it does not exist.
default T	get(NodeId nodeId) Get the Node identified by nodeId from this NodeManager, or null if it does not exist.
Optional<T>	getNode(ExpandedNodeId nodeId, NamespaceTable namespaceTable) Get the Node identified by nodeId from this NodeManager, or null if it does not exist.
Optional<T>	getNode(NodeId nodeId) Get the Node identified by nodeId from this NodeManager, if it exists.
List<Reference>	getReferences(NodeId nodeId) Get all References that have nodeId as their source NodeId.
List<Reference>	getReferences(NodeId nodeId, Predicate<Reference> filter) Get all References that have nodeId as their source NodeId, filtered by filter.
Optional<T>	removeNode(ExpandedNodeId nodeId, NamespaceTable namespaceTable) Get the Node identified by nodeId from this NodeManager, if it exists.
Optional<T>	removeNode(NodeId nodeId) Remove the Node identified by nodeId from this NodeManager, if it exists.
default Optional<T>	removeNode(T node) Remove node from this NodeManager, if it exists.
void	removeReference(Reference reference) Remove reference from this NodeManager.
void	removeReferences(Reference reference, NamespaceTable namespaceTable) Remove reference and its inverse from this NodeManager.

Method Detail

containsNode

boolean containsNode(NodeId nodeId)

Return true if this NodeManager contains the Node identified by nodeId.

Parameters:

nodeId - the NodeId.

Returns:

true if this NodeManager contains the Node identified by nodeId.

containsNode

boolean containsNode(ExpandedNodeId nodeId,
                     NamespaceTable namespaceTable)

Return true if this NodeManager contains nodeId.

Returns false if nodeId is non-local.

Parameters:

nodeId - the ExpandedNodeId to check.

namespaceTable - the NamespaceTable.

Returns:

true if this NodeManager contains nodeId.

addNode

Optional<T> addNode(T node)

Add node to this NodeManager, replacing a previous Node identified by the same NodeId if it exists.

Parameters:

node - the Node to add.

Returns:

the previous Node identified by the NodeId of node, if it exists.

getNode

Optional<T> getNode(NodeId nodeId)

Get the Node identified by nodeId from this NodeManager, if it exists.

Parameters:

nodeId - the NodeId identifying the Node to get.

Returns:

the Node identified by nodeId from this NodeManager, if it exists.

getNode

Optional<T> getNode(ExpandedNodeId nodeId,
                    NamespaceTable namespaceTable)

Get the Node identified by nodeId from this NodeManager, or null if it does not exist.

Returns false if nodeId is non-local.

Parameters:

nodeId - the ExpandedNodeId identifying the Node to get.

namespaceTable - the NamespaceTable.

Returns:

the Node identified by nodeId from this NodeManager or null if it does not exist.

removeNode

Optional<T> removeNode(NodeId nodeId)

Remove the Node identified by nodeId from this NodeManager, if it exists.

Parameters:

nodeId - the NodeId identifying the Node to remove.

Returns:

the Node removed from this NodeManager, if it exists.

removeNode

Optional<T> removeNode(ExpandedNodeId nodeId,
                       NamespaceTable namespaceTable)

Get the Node identified by nodeId from this NodeManager, if it exists.

Returns Optional.empty() if nodeId is non-local.

Parameters:

nodeId - the ExpandedNodeId identifying the Node to get.

namespaceTable - the NamespaceTable.

Returns:

the Node identified by nodeId from this NodeManager, if it exists.

addReference

void addReference(Reference reference)

Add reference to this NodeManager.

Parameters:

reference - the Reference to add.

addReferences

void addReferences(Reference reference,
                   NamespaceTable namespaceTable)

Add reference and its inverse to this NodeManager.

Parameters:

reference - the Reference to add.

namespaceTable - the NamespaceTable.

removeReference

void removeReference(Reference reference)

Remove reference from this NodeManager.

Parameters:

reference - the Reference to remove.

removeReferences

void removeReferences(Reference reference,
                      NamespaceTable namespaceTable)

Remove reference and its inverse from this NodeManager.

Parameters:

reference - the Reference to remove.

namespaceTable - the NamespaceTable.

getReferences

List<Reference> getReferences(NodeId nodeId)

Get all References that have nodeId as their source NodeId.

Parameters:

nodeId - the source NodeId.

Returns:

all References that have nodeId as their source NodeId.

getReferences

List<Reference> getReferences(NodeId nodeId,
                              Predicate<Reference> filter)

Get all References that have nodeId as their source NodeId, filtered by filter.

Parameters:

nodeId - the source NodeId.

filter - a Predicate to filter References.

Returns:

all References that have nodeId as their source NodeId, filtered by filter.

containsNode

default boolean containsNode(Node node)

Return true if this NodeManager contains node.

Parameters:

node - the Node to check.

Returns:

true if this NodeManager contains node.

get

@Nullable
default T get(NodeId nodeId)

Get the Node identified by nodeId from this NodeManager, or null if it does not exist.

Parameters:

nodeId - the NodeId identifying the Node to get.

Returns:

the Node identified by nodeId from this NodeManager or null if it does not exist.

get

@Nullable
default T get(ExpandedNodeId nodeId,
                        NamespaceTable namespaceTable)

Get the Node identified by nodeId from this NodeManager, or null if it does not exist.

Parameters:

nodeId - the NodeId identifying the Node to get.

namespaceTable - the NamespaceTable.

Returns:

the Node identified by nodeId from this NodeManager or null if it does not exist.

removeNode

default Optional<T> removeNode(T node)

Remove node from this NodeManager, if it exists.

Parameters:

node - the Node to remove.

Returns:

the Node removed from this NodeManager, if it exists.