本文整理匯總了TypeScript中node-opcua.ClientSession.getMonitoredItems方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript ClientSession.getMonitoredItems方法的具體用法？TypeScript ClientSession.getMonitoredItems怎麽用？TypeScript ClientSession.getMonitoredItems使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類node-opcua.ClientSession的用法示例。
在下文中一共展示了ClientSession.getMonitoredItems方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: main
//.........這裏部分代碼省略.........
console.log(" ---------------------------------------------------------- Create Subscription ");
const parameters = {
maxNotificationsPerPublish: 10,
priority: 10,
publishingEnabled: true,
requestedLifetimeCount: 1000,
requestedMaxKeepAliveCount: 12,
requestedPublishingInterval: 2000
};
the_subscription = await the_session.createSubscription2(parameters);
let t = getTick();
console.log("started subscription :", the_subscription!.subscriptionId);
console.log(" revised parameters ");
console.log(" revised maxKeepAliveCount ", the_subscription!.maxKeepAliveCount, " ( requested ", parameters.requestedMaxKeepAliveCount + ")");
console.log(" revised lifetimeCount ", the_subscription!.lifetimeCount, " ( requested ", parameters.requestedLifetimeCount + ")");
console.log(" revised publishingInterval ", the_subscription!.publishingInterval, " ( requested ", parameters.requestedPublishingInterval + ")");
the_subscription.on("internal_error", (err: Error) => {
console.log(" received internal error", err.message);
}).on("keepalive", () => {
const t4 = getTick();
const span = t4 - t;
t = t4;
console.log("keepalive ", span / 1000, "sec",
" pending request on server = ", (the_subscription as any).getPublishEngine().nbPendingPublishRequests);
}).on("terminated", () => { /* */
});
try {
const results1 = await the_session.getMonitoredItems(the_subscription.subscriptionId);
console.log("MonitoredItems clientHandles", results1.clientHandles);
console.log("MonitoredItems serverHandles", results1.serverHandles);
} catch(err) {
console.log("Server doesn't seems to implement getMonitoredItems method ", err.message);
}
// get_monitored_item
// monitor_a_variable_node_value
console.log("Monitoring monitor_a_variable_node_value");
// ---------------------------------------------------------------
// monitor a variable node value
// ---------------------------------------------------------------
console.log(" Monitoring node ", monitored_node.toString());
const monitoredItem = ClientMonitoredItem.create(
the_subscription,
{
attributeId: AttributeIds.Value,
nodeId: monitored_node
},
{
discardOldest: true,
queueSize: 10000,
samplingInterval: 1000
// xx filter: { parameterTypeId: "ns=0;i=0", encodingMask: 0 },
}
);
monitoredItem.on("initialized", () => {
console.log("monitoredItem initialized");
});
monitoredItem.on("changed", (dataValue1: DataValue) => {
console.log(monitoredItem.itemToMonitor.nodeId.toString(), " value has changed to " + dataValue1.value.toString());