import org.eclipse.milo.opcua.sdk.core.ValueRank; //导入依赖的package包/类
public static String valueRankToString(int rank) {
  Optional<ValueRank> valueRank = Arrays.stream(ValueRank.values()).filter(v -> v.getValue() == rank).findAny();
  return String.format("%d (%s)", rank, valueRank.isPresent() ? valueRank.get() : "Unknown");
}
 

import org.eclipse.milo.opcua.sdk.core.ValueRank; //导入依赖的package包/类
public BasicProperty(QualifiedName browseName, NodeId dataType, ValueRank valueRank, Class<T> javaType) {
    this(browseName, dataType, valueRank.getValue(), javaType);
}
 

import org.eclipse.milo.opcua.sdk.core.ValueRank; //导入依赖的package包/类
private void addArrayNodes(UaFolderNode rootNode) {
    UaFolderNode arrayTypesFolder = new UaFolderNode(
        server.getNodeMap(),
        new NodeId(namespaceIndex, "HelloWorld/ArrayTypes"),
        new QualifiedName(namespaceIndex, "ArrayTypes"),
        LocalizedText.english("ArrayTypes")
    );

    server.getNodeMap().addNode(arrayTypesFolder);
    rootNode.addOrganizes(arrayTypesFolder);

    for (Object[] os : STATIC_ARRAY_NODES) {
        String name = (String) os[0];
        NodeId typeId = (NodeId) os[1];
        Object value = os[2];
        Object array = Array.newInstance(value.getClass(), 4);
        for (int i = 0; i < 4; i++) {
            Array.set(array, i, value);
        }
        Variant variant = new Variant(array);

        UaVariableNode node = new UaVariableNode.UaVariableNodeBuilder(server.getNodeMap())
            .setNodeId(new NodeId(namespaceIndex, "HelloWorld/ArrayTypes/" + name))
            .setAccessLevel(ubyte(AccessLevel.getMask(AccessLevel.READ_WRITE)))
            .setUserAccessLevel(ubyte(AccessLevel.getMask(AccessLevel.READ_WRITE)))
            .setBrowseName(new QualifiedName(namespaceIndex, name))
            .setDisplayName(LocalizedText.english(name))
            .setDataType(typeId)
            .setTypeDefinition(Identifiers.BaseDataVariableType)
            .setValueRank(ValueRank.OneDimension.getValue())
            .setArrayDimensions(new UInteger[]{uint(0)})
            .build();

        node.setValue(new DataValue(variant));

        node.setAttributeDelegate(new ValueLoggingDelegate());

        server.getNodeMap().addNode(node);
        arrayTypesFolder.addOrganizes(node);
    }
}