| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.component.milo.server; |
| |
| import org.apache.camel.Component; |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Processor; |
| import org.apache.camel.Producer; |
| import org.apache.camel.component.milo.server.internal.CamelNamespace; |
| import org.apache.camel.component.milo.server.internal.CamelServerItem; |
| import org.apache.camel.spi.Metadata; |
| import org.apache.camel.spi.UriEndpoint; |
| import org.apache.camel.spi.UriPath; |
| import org.apache.camel.support.DefaultEndpoint; |
| |
| /** |
| * Make telemetry data available as an OPC UA server |
| */ |
| @UriEndpoint(firstVersion = "2.19.0", scheme = "milo-server", syntax = "milo-server:itemId", title = "OPC UA Server", label = "iot") |
| public class MiloServerEndpoint extends DefaultEndpoint { |
| |
| @UriPath |
| @Metadata(required = true) |
| private String itemId; |
| |
| private final CamelNamespace namespace; |
| |
| private CamelServerItem item; |
| |
| public MiloServerEndpoint(final String uri, final String itemId, final CamelNamespace namespace, final Component component) { |
| super(uri, component); |
| this.itemId = itemId; |
| this.namespace = namespace; |
| } |
| |
| @Override |
| protected void doStart() throws Exception { |
| super.doStart(); |
| this.item = this.namespace.getOrAddItem(this.itemId); |
| } |
| |
| @Override |
| protected void doStop() throws Exception { |
| if (this.item != null) { |
| this.item.dispose(); |
| this.item = null; |
| } |
| super.doStop(); |
| } |
| |
| @Override |
| public Producer createProducer() throws Exception { |
| return new MiloServerProducer(this, this.item); |
| } |
| |
| @Override |
| public Consumer createConsumer(final Processor processor) throws Exception { |
| return new MiloServerConsumer(this, processor, this.item); |
| } |
| |
| /** |
| * ID of the item |
| * |
| * @param itemId the new ID of the item |
| */ |
| public void setItemId(final String itemId) { |
| this.itemId = itemId; |
| } |
| |
| /** |
| * Get the ID of the item |
| * |
| * @return the ID of the item |
| */ |
| public String getItemId() { |
| return this.itemId; |
| } |
| } |