Examples with ValueChanageEvent com.jbm.framework.opcua.event.ValueChanageEvent used on opensource projects

Example 1 with ValueChanageEvent

use of com.jbm.framework.opcua.event.ValueChanageEvent in project JBM by numen06.

the class OpcUaTemplate method createItemMonitored.

private List<UaMonitoredItem> createItemMonitored(OpcUaClientBean opcUaClientBean, OpcPoint opcPoint) throws ExecutionException, InterruptedException {
    int namespace = opcPoint.getNamespace();
    String tag = opcPoint.getTagName();
    NodeId nodeId = new NodeId(namespace, tag);
    // 创建发布间隔1000ms的订阅对象
    UaSubscription subscription = this.getSubscription(opcUaClientBean.getOpcUaClient());
    MonitoringParameters parameters = new MonitoringParameters(uint(subscription.getMonitoredItems().size() + 1), 1000.0, null, uint(10), true);
    List<MonitoredItemCreateRequest> requests = Lists.newArrayList();
    ReadValueId readValueId = new ReadValueId(nodeId, AttributeId.Value.uid(), null, null);
    // 创建监控item, 第一个为Reporting mode
    MonitoredItemCreateRequest request = new MonitoredItemCreateRequest(readValueId, MonitoringMode.Reporting, parameters);
    requests.add(request);
    List<UaMonitoredItem> items = subscription.createMonitoredItems(TimestampsToReturn.Both, requests, (item, id) -> item.setValueConsumer(new UaMonitoredItem.ValueConsumer() {

        @Override
        public void onValueArrived(UaMonitoredItem item, DataValue value) {
            try {
                log.debug("OPC数据变化回调:subscription value received: item={}, value={}", item.getReadValueId().getNodeId(), value.getValue());
                ValueChanageEvent valueChanageEvent = opcUaClientBean.getSubscriptionPoints().get(opcPoint.getAlias());
                valueChanageEvent.putData(item, value);
                applicationContext.publishEvent(valueChanageEvent);
            } catch (Exception e) {
            }
        }
    })).get();
    log.info("添加监听:[{}]到监听器[{}]监听数量:{}", nodeId, subscription.getSubscriptionId(), subscription.getMonitoredItems().size());
    return items;
}

Example 2 with ValueChanageEvent

use of com.jbm.framework.opcua.event.ValueChanageEvent in project JBM by numen06.

the class OpcUaTemplate method subscribeItem.

public <T extends ValueChanageEvent> void subscribeItem(String deviceId, String pointName, Class<T> callBackEvent) {
    OpcUaClientBean opcUaClientBean = clientMap.get(deviceId);
    OpcPoint opcPoint = opcUaClientBean.findPoint(pointName);
    ValueChanageEvent valueChanageEvent = ReflectUtil.newInstance(null, null, null);
    this.subscribeItem(deviceId, opcPoint, valueChanageEvent);
}

Example 3 with ValueChanageEvent

use of com.jbm.framework.opcua.event.ValueChanageEvent in project JBM by numen06.

the class GuardSubscriptionListener method onSubscriptionTransferFailed.

// 重连时 尝试恢复之前的订阅失败时 会调用此方法
public void onSubscriptionTransferFailed(UaSubscription subscription, StatusCode statusCode) {
    log.info("设备[{}]订阅失效，开始重新订阅，数量为:{}", opcUaClientBean.getDeviceId(), opcUaClientBean.getSubscriptionPoints().size());
    for (String pointCode : opcUaClientBean.getSubscriptionPoints().keySet()) {
        OpcPoint opcPoint = opcUaClientBean.getPoints().get(pointCode);
        ValueChanageEvent valueChanageEvent = opcUaClientBean.getSubscriptionPoints().get(pointCode);
        opcUaTemplate.subscribeItem(opcUaClientBean.getDeviceId(), opcPoint, valueChanageEvent);
    }
    log.info("设备[{}]重新订阅完成", opcUaClientBean.getDeviceId());
}