| public IsRequired ( Opc.Ua.NodeId referenceType, bool isInverse ) : bool | ||
| referenceType | Opc.Ua.NodeId | |
| isInverse | bool | |
| return | bool | |
/// <summary>
/// Populates the browser with references that meet the criteria.
/// </summary>
/// <param name="context">The context for the system being accessed.</param>
/// <param name="browser">The browser to populate.</param>
protected override void PopulateBrowser(ISystemContext context, NodeBrowser browser)
{
base.PopulateBrowser(context, browser);
if (!NodeId.IsNull(m_typeDefinitionId))
{
if (browser.IsRequired(ReferenceTypeIds.HasTypeDefinition, false))
{
browser.Add(ReferenceTypeIds.HasTypeDefinition, false, m_typeDefinitionId);
}
}
if (!NodeId.IsNull(m_modellingRuleId))
{
if (browser.IsRequired(ReferenceTypeIds.HasModellingRule, false))
{
browser.Add(ReferenceTypeIds.HasModellingRule, false, m_modellingRuleId);
}
}
if (m_parent != null)
{
if (!NodeId.IsNull(m_referenceTypeId))
{
if (browser.IsRequired(m_referenceTypeId, true))
{
browser.Add(m_referenceTypeId, true, m_parent);
}
}
}
}
/// <summary>
/// Populates the browser with references that meet the criteria.
/// </summary>
/// <param name="context">The context for the current operation.</param>
/// <param name="browser">The browser to populate.</param>
protected override void PopulateBrowser(ISystemContext context, NodeBrowser browser)
{
base.PopulateBrowser(context, browser);
if (!NodeId.IsNull(m_superTypeId))
{
if (browser.IsRequired(ReferenceTypeIds.HasSubtype, true))
{
browser.Add(ReferenceTypeIds.HasSubtype, true, m_superTypeId);
}
}
// use the type table to find the subtypes.
if (context.TypeTable != null && this.NodeId != null)
{
if (browser.IsRequired(ReferenceTypeIds.HasSubtype, false))
{
IList <NodeId> subtypeIds = context.TypeTable.FindSubTypes(this.NodeId);
for (int ii = 0; ii < subtypeIds.Count; ii++)
{
browser.Add(ReferenceTypeIds.HasSubtype, false, subtypeIds[ii]);
}
}
}
}
/// <summary>
/// Populates the browser with references that meet the criteria.
/// </summary>
/// <param name="context">The context for the system being accessed.</param>
/// <param name="browser">The browser to populate.</param>
protected override void PopulateBrowser(ISystemContext context, NodeBrowser browser)
{
base.PopulateBrowser(context, browser);
if (!NodeId.IsNull(m_typeDefinitionId))
{
if (browser.IsRequired(ReferenceTypeIds.HasTypeDefinition, false))
{
browser.Add(ReferenceTypeIds.HasTypeDefinition, false, m_typeDefinitionId);
}
}
if (!NodeId.IsNull(m_modellingRuleId))
{
if (browser.IsRequired(ReferenceTypeIds.HasModellingRule, false))
{
browser.Add(ReferenceTypeIds.HasModellingRule, false, m_modellingRuleId);
}
}
if (m_parent != null)
{
if (!NodeId.IsNull(m_referenceTypeId))
{
if (browser.IsRequired(m_referenceTypeId, true))
{
browser.Add(m_referenceTypeId, true, m_parent);
}
}
}
}
/// <summary>
/// Populates the browser with references that meet the criteria.
/// </summary>
/// <param name="context">The context for the system being accessed.</param>
/// <param name="browser">The browser to populate.</param>
protected override void PopulateBrowser(ISystemContext context, NodeBrowser browser)
{
base.PopulateBrowser(context, browser);
// check if the parent segments need to be returned.
if (browser.IsRequired(ReferenceTypeIds.Organizes, true))
{
UnderlyingSystem system = context.SystemHandle as UnderlyingSystem;
if (system == null)
{
return;
}
// add reference for each segment.
IList<UnderlyingSystemSegment> segments = system.FindSegmentsForBlock(m_blockId);
for (int ii = 0; ii < segments.Count; ii++)
{
browser.Add(ReferenceTypeIds.Organizes, true, ModelUtils.ConstructIdForSegment(segments[ii].Id, this.NodeId.NamespaceIndex));
}
}
}
/// <summary>
/// Populates the browser with references that meet the criteria.
/// </summary>
/// <param name="context">The context for the system being accessed.</param>
/// <param name="browser">The browser to populate.</param>
protected override void PopulateBrowser(ISystemContext context, NodeBrowser browser)
{
base.PopulateBrowser(context, browser);
// check if the parent segments need to be returned.
if (browser.IsRequired(ReferenceTypeIds.Organizes, true))
{
UnderlyingSystem system = context.SystemHandle as UnderlyingSystem;
if (system == null)
{
return;
}
// add reference for parent segment.
UnderlyingSystemSegment segment = system.FindParentForSegment(m_segmentPath);
if (segment != null)
{
browser.Add(ReferenceTypeIds.Organizes, true, ModelUtils.ConstructIdForSegment(segment.Id, this.NodeId.NamespaceIndex));
}
}
}
/// <summary>
/// Populates the browser with references that meet the criteria.
/// </summary>
/// <param name="context">The context for the current operation.</param>
/// <param name="browser">The browser to populate.</param>
protected override void PopulateBrowser(ISystemContext context, NodeBrowser browser)
{
base.PopulateBrowser(context, browser);
if (!NodeId.IsNull(m_superTypeId))
{
if (browser.IsRequired(ReferenceTypeIds.HasSubtype, true))
{
browser.Add(ReferenceTypeIds.HasSubtype, true, m_superTypeId);
}
}
// use the type table to find the subtypes.
if (context.TypeTable != null && this.NodeId != null)
{
if (browser.IsRequired(ReferenceTypeIds.HasSubtype, false))
{
IList<NodeId> subtypeIds = context.TypeTable.FindSubTypes(this.NodeId);
for (int ii = 0; ii < subtypeIds.Count; ii++)
{
browser.Add(ReferenceTypeIds.HasSubtype, false, subtypeIds[ii]);
}
}
}
}
/// <summary>
/// Used to receive notifications when a node is browsed.
/// </summary>
public void OnPopulateBrowser(
ISystemContext context,
NodeState node,
NodeBrowser browser)
{
ParsedNodeId nodeId = ParsedNodeId.Parse(node.NodeId);
DirectoryInfo info = new DirectoryInfo(nodeId.RootId);
if (!info.Exists)
{
return;
}
if (browser.IsRequired(ReferenceTypeIds.Organizes, false))
{
foreach (DirectoryInfo child in info.GetDirectories())
{
ParsedNodeId childId = new ParsedNodeId();
childId.RootType = 0;
childId.RootId = child.FullName;
childId.NamespaceIndex = NamespaceIndex;
browser.Add(new NodeStateReference(ReferenceTypeIds.Organizes, false, childId.Construct()));
}
}
if (browser.IsRequired(ReferenceTypeIds.Organizes, true))
{
ParsedNodeId parentId = new ParsedNodeId();
parentId.RootType = 0;
parentId.RootId = info.Parent.FullName;
parentId.NamespaceIndex = NamespaceIndex;
browser.Add(new NodeStateReference(ReferenceTypeIds.Organizes, true, parentId.Construct()));
}
}