Examples with UaVariableNode org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode used on opensource projects

Example 11 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode in project milo by eclipse.

the class VendorServerInfoNodes method addVendorInfoJmx.

private static void addVendorInfoJmx(UaNodeContext context, UaObjectNode vendorServerInfo) {
    OperatingSystemMXBean osBean = ManagementFactory.getOperatingSystemMXBean();
    MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
    UaVariableNode usedMemory = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/UsedMemory")).setBrowseName(new QualifiedName(1, "UsedMemory")).setDisplayName(LocalizedText.english("UsedMemory")).setDataType(Identifiers.Int64).buildAndAdd();
    usedMemory.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(memoryBean.getHeapMemoryUsage().getUsed()))));
    UaVariableNode maxMemory = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/MaxMemory")).setBrowseName(new QualifiedName(1, "MaxMemory")).setDisplayName(LocalizedText.english("MaxMemory")).setDataType(Identifiers.Int64).buildAndAdd();
    maxMemory.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(memoryBean.getHeapMemoryUsage().getMax()))));
    UaVariableNode osName = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/OsName")).setBrowseName(new QualifiedName(1, "OsName")).setDisplayName(LocalizedText.english("OsName")).setDataType(Identifiers.String).buildAndAdd();
    osName.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(osBean.getName()))));
    UaVariableNode osArch = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/OsArch")).setBrowseName(new QualifiedName(1, "OsArch")).setDisplayName(LocalizedText.english("OsArch")).setDataType(Identifiers.String).buildAndAdd();
    osArch.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(osBean.getArch()))));
    UaVariableNode osVersion = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/OsVersion")).setBrowseName(new QualifiedName(1, "OsVersion")).setDisplayName(LocalizedText.english("OsVersion")).setDataType(Identifiers.String).buildAndAdd();
    osVersion.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(osBean.getVersion()))));
    vendorServerInfo.addComponent(usedMemory);
    vendorServerInfo.addComponent(maxMemory);
    vendorServerInfo.addComponent(osName);
    vendorServerInfo.addComponent(osArch);
    vendorServerInfo.addComponent(osVersion);
}

Example 12 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode in project milo by eclipse.

the class VendorServerInfoNodes method addVendorInfoPlainJava.

private static void addVendorInfoPlainJava(UaNodeContext context, UaObjectNode vendorServerInfo) {
    UaVariableNode availableProcessors = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/AvailableProcessors")).setBrowseName(new QualifiedName(1, "AvailableProcessors")).setDisplayName(LocalizedText.english("AvailableProcessors")).setDataType(Identifiers.Int32).buildAndAdd();
    availableProcessors.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(Runtime.getRuntime().availableProcessors()))));
    vendorServerInfo.addComponent(availableProcessors);
}

Example 13 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode in project milo by eclipse.

the class VendorServerInfoNodes method addVendorInfoSunJmx.

private static void addVendorInfoSunJmx(UaNodeContext context, UaObjectNode vendorServerInfo) {
    OperatingSystemMXBean osMxBean = ManagementFactory.getOperatingSystemMXBean();
    if (osMxBean instanceof com.sun.management.OperatingSystemMXBean) {
        com.sun.management.OperatingSystemMXBean sunOsMxBean = (com.sun.management.OperatingSystemMXBean) osMxBean;
        UaVariableNode processCpuLoad = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/ProcessCpuLoad")).setBrowseName(new QualifiedName(1, "ProcessCpuLoad")).setDisplayName(LocalizedText.english("ProcessCpuLoad")).setDataType(Identifiers.Double).buildAndAdd();
        processCpuLoad.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(sunOsMxBean.getProcessCpuLoad() * 100d))));
        UaVariableNode systemCpuLoad = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/SystemCpuLoad")).setBrowseName(new QualifiedName(1, "SystemCpuLoad")).setDisplayName(LocalizedText.english("SystemCpuLoad")).setDataType(Identifiers.Double).buildAndAdd();
        systemCpuLoad.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(sunOsMxBean.getSystemCpuLoad() * 100d))));
        vendorServerInfo.addComponent(processCpuLoad);
        vendorServerInfo.addComponent(systemCpuLoad);
        if (sunOsMxBean instanceof UnixOperatingSystemMXBean) {
            UnixOperatingSystemMXBean unixBean = (UnixOperatingSystemMXBean) sunOsMxBean;
            UaVariableNode openFileDescriptors = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/OpenFileDescriptors")).setBrowseName(new QualifiedName(1, "OpenFileDescriptors")).setDisplayName(LocalizedText.english("OpenFileDescriptors")).setDataType(Identifiers.Int64).buildAndAdd();
            openFileDescriptors.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(unixBean.getOpenFileDescriptorCount()))));
            UaVariableNode maxFileDescriptors = UaVariableNode.builder(context).setNodeId(new NodeId(1, "VendorServerInfo/MaxFileDescriptors")).setBrowseName(new QualifiedName(1, "MaxFileDescriptors")).setDisplayName(LocalizedText.english("MaxFileDescriptors")).setDataType(Identifiers.Int64).buildAndAdd();
            maxFileDescriptors.getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(unixBean.getMaxFileDescriptorCount()))));
            vendorServerInfo.addComponent(openFileDescriptors);
            vendorServerInfo.addComponent(maxFileDescriptors);
        }
    }
}

Example 14 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode in project milo by eclipse.

the class AttributeDelegateChainTest method testCreate.

@Test
public void testCreate() throws Exception {
    List<String> list = new ArrayList<>();
    AttributeDelegate delegate = AttributeDelegateChain.create(new AttributeDelegate() {

        @Override
        public DataValue getValue(AttributeContext context, VariableNode node) throws UaException {
            list.add("root");
            return node.getValue();
        }
    }, parent -> new DelegatingAttributeDelegate(parent) {

        @Override
        public DataValue getValue(AttributeContext context, VariableNode node) throws UaException {
            list.add("child1");
            return super.getValue(context, node);
        }
    }, parent -> new DelegatingAttributeDelegate(parent) {

        @Override
        public DataValue getValue(AttributeContext context, VariableNode node) throws UaException {
            list.add("child2");
            return super.getValue(context, node);
        }
    }, parent -> new DelegatingAttributeDelegate(parent) {

        @Override
        public DataValue getValue(AttributeContext context, VariableNode node) throws UaException {
            list.add("child3");
            return super.getValue(context, node);
        }
    });
    UaNodeManager nodeManager = new UaNodeManager();
    UaNodeContext context = new UaNodeContext() {

        @Override
        public OpcUaServer getServer() {
            return null;
        }

        @Override
        public NodeManager<UaNode> getNodeManager() {
            return nodeManager;
        }

        @Override
        public NamespaceTable getNamespaceTable() {
            return new NamespaceTable();
        }
    };
    UaVariableNode node = new UaVariableNode.UaVariableNodeBuilder(context).setNodeId(NodeId.NULL_VALUE).setAccessLevel(AccessLevel.READ_WRITE).setBrowseName(QualifiedName.NULL_VALUE).setDisplayName(LocalizedText.NULL_VALUE).setDataType(Identifiers.String).setTypeDefinition(Identifiers.BaseDataVariableType).build();
    node.setValue(new DataValue(new Variant("foo")));
    DataValue value = delegate.getValue(new AttributeContext(null, null), node);
    assertEquals(value.getValue().getValue(), "foo");
    assertEquals(list.get(0), "child3");
    assertEquals(list.get(1), "child2");
    assertEquals(list.get(2), "child1");
    assertEquals(list.get(3), "root");
}

Example 15 with UaVariableNode

use of org.eclipse.milo.opcua.sdk.server.nodes.UaVariableNode in project milo by eclipse.

the class NodeFactoryTest method testInstanceListener.

@Test
public void testInstanceListener() throws Exception {
    final AtomicBoolean methodAdded = new AtomicBoolean(false);
    final AtomicBoolean objectAdded = new AtomicBoolean(false);
    final AtomicBoolean variableAdded = new AtomicBoolean(false);
    ServerTypeNode serverNode = (ServerTypeNode) nodeFactory.createNode(new NodeId(0, "Server"), Identifiers.ServerType, new NodeFactory.InstantiationCallback() {

        @Override
        public boolean includeOptionalNode(NodeId typeDefinitionId, QualifiedName browseName) {
            return true;
        }

        @Override
        public void onMethodAdded(@Nullable UaObjectNode parent, UaMethodNode instance) {
            String pbn = parent != null ? parent.getBrowseName().getName() : null;
            System.out.println("onMethodAdded parent=" + pbn + " instance=" + instance.getBrowseName().getName());
            methodAdded.set(true);
        }

        @Override
        public void onObjectAdded(@Nullable UaNode parent, UaObjectNode instance, NodeId typeDefinitionId) {
            String pbn = parent != null ? parent.getBrowseName().getName() : null;
            System.out.println("onObjectAdded parent=" + pbn + " instance=" + instance.getBrowseName().getName());
            objectAdded.set(true);
        }

        @Override
        public void onVariableAdded(@Nullable UaNode parent, UaVariableNode instance, NodeId typeDefinitionId) {
            String pbn = parent != null ? parent.getBrowseName().getName() : null;
            System.out.println("onVariableAdded parent=" + pbn + " instance=" + instance.getBrowseName().getName());
            variableAdded.set(true);
        }
    });
    assertTrue(methodAdded.get());
    assertTrue(objectAdded.get());
    assertTrue(variableAdded.get());
}