Examples with UaObjectNode org.eclipse.milo.opcua.sdk.client.nodes.UaObjectNode used on opensource projects

Example 1 with UaObjectNode

use of org.eclipse.milo.opcua.sdk.client.nodes.UaObjectNode in project milo by eclipse.

the class MethodExample2 method run.

@Override
public void run(OpcUaClient client, CompletableFuture<OpcUaClient> future) throws Exception {
    // synchronous connect
    client.connect().get();
    UaObjectNode objectNode = client.getAddressSpace().getObjectNode(NodeId.parse("ns=2;s=HelloWorld"));
    UaMethod sqrtMethod = objectNode.getMethod("sqrt(x)");
    logArguments(client, sqrtMethod);
    Variant[] inputs = { new Variant(16.0) };
    Variant[] outputs = sqrtMethod.call(inputs);
    logger.info("Input values: " + Arrays.toString(inputs));
    logger.info("Output values: " + Arrays.toString(outputs));
    future.complete(client);
}

Example 2 with UaObjectNode

use of org.eclipse.milo.opcua.sdk.client.nodes.UaObjectNode in project milo by eclipse.

the class UaMethodTest method callMethodWithNoInputsOrOutputs.

@Test
public void callMethodWithNoInputsOrOutputs() throws UaException {
    AddressSpace addressSpace = client.getAddressSpace();
    UaObjectNode objectsNode = addressSpace.getObjectNode(Identifiers.ObjectsFolder);
    Variant[] outputs = objectsNode.callMethod(new QualifiedName(2, "hasNoInputsOrOutputs()"), new Variant[0]);
    assertEquals(0, outputs.length);
}

Example 3 with UaObjectNode

use of org.eclipse.milo.opcua.sdk.client.nodes.UaObjectNode in project milo by eclipse.

the class UaMethodTest method findMethodNotFound.

@Test
public void findMethodNotFound() throws UaException {
    AddressSpace addressSpace = client.getAddressSpace();
    UaObjectNode serverNode = addressSpace.getObjectNode(Identifiers.Server);
    assertThrows(UaException.class, () -> serverNode.getMethod("foo"));
}

Example 4 with UaObjectNode

use of org.eclipse.milo.opcua.sdk.client.nodes.UaObjectNode in project milo by eclipse.

the class UaMethodTest method throwsUaMethodException.

@Test
public void throwsUaMethodException() throws UaException {
    AddressSpace addressSpace = client.getAddressSpace();
    UaObjectNode objectsNode = addressSpace.getObjectNode(Identifiers.ObjectsFolder);
    assertThrows(UaMethodException.class, () -> {
        try {
            objectsNode.callMethod(new QualifiedName(2, "onlyAcceptsPositiveInputs()"), new Variant[] { new Variant(-1) });
        } catch (UaMethodException e) {
            System.out.println("result: " + e.getStatusCode());
            System.out.println("inputArgumentResults: " + Arrays.toString(e.getInputArgumentResults()));
            throw e;
        }
    });
}

Example 5 with UaObjectNode

use of org.eclipse.milo.opcua.sdk.client.nodes.UaObjectNode in project milo by eclipse.

the class UaMethodTest method callMethodWithHasComponentReference.

@Test
public void callMethodWithHasComponentReference() throws UaException {
    AddressSpace addressSpace = client.getAddressSpace();
    UaObjectNode objectsNode = addressSpace.getObjectNode(Identifiers.ObjectsFolder);
    Variant[] outputs = objectsNode.callMethod(new QualifiedName(2, "sqrt(x)"), new Variant[] { new Variant(16.0) });
    assertEquals(4.0, outputs[0].getValue());
}