Groovy sample for getting tags from a sample matrikon OPC server using Apache Camel.

camel-opc-matrikonExample.groovy

/*
 * camel-opc Matrikon Example
 * 
 * Copyright (C) 2013 - 2014 Summit Management Systems, Inc.
 * 
 * Licensed 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.
 */
@GrabResolver(name='central-snapshots', root='https://oss.sonatype.org/content/repositories/snapshots/')
@Grab('org.apache.camel:camel-core:2.12.0')
@Grab(group='com.summitsystemsinc.camel.opc', module='camel-opc_da2',version='1.0-SNAPSHOT',type='jar')
@Grab('org.slf4j:slf4j-simple:1.6.6')
import org.apache.camel.*
import org.apache.camel.impl.*
import org.apache.camel.builder.*

def camelContext = new DefaultCamelContext()

def host = 'host';
//CLSID of your OPC Server
def clsid = 'f8582cf2-88fb-11d0-b850-00c0f0104305';
def user = 'username';
def password = 'password';
//Use something other than "localhost" if your user us a domain account
def domain = 'localhost';

def delay = 5000;
//Path to the tags to subscribe to. 
//If its a group tag, it will get all sub-tags
//If this is a tag, it will only subscribe to the tag.
def path = '/Simulation Items/Random'
//Setting this flag will force the component to only report changes
def diffOnly = false

//Turn down the jinterop logging, it is pretty verbose.
org.jinterop.dcom.common.JISystem.getLogger().setLevel(java.util.logging.Level.WARNING);

//Groovy will populate this string with the variables above
String uriString = "opcda2:opcdaTest${path}?delay=${delay}&host=${host}&clsId=${clsid}&username=${user}&password=${password}&domain=${domain}&diffOnly=${diffOnly}";

//A simple route that will log all data.  It is polled at an interval of ${delay}
camelContext.addRoutes(new RouteBuilder() {
    def void configure() {
        from(uriString)
            .to("log://camelLogger?level=INFO")
    }
})
camelContext.start()

addShutdownHook{ camelContext.stop() }
synchronized(this){ this.wait() }