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https://issues.apache.org/jira/browse/CAMEL-12964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16703237#comment-16703237
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ASF GitHub Bot commented on CAMEL-12964:
----------------------------------------
mswiderski commented on a change in pull request #2644: CAMEL-12964: Initial
import of jBPM CamelWIH and Command.
URL: https://github.com/apache/camel/pull/2644#discussion_r237501865
##########
File path:
components/camel-jbpm/src/main/java/org/apache/camel/component/jbpm/workitem/AbstractCamelWorkItemHandler.java
##########
@@ -0,0 +1,156 @@
+/**
+ * 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.jbpm.workitem;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.Exchange;
+import org.apache.camel.Message;
+import org.apache.camel.ProducerTemplate;
+import org.jbpm.process.workitem.core.AbstractLogOrThrowWorkItemHandler;
+import org.jbpm.services.api.service.ServiceRegistry;
+import org.kie.api.runtime.manager.RuntimeManager;
+import org.kie.api.runtime.process.WorkItem;
+import org.kie.api.runtime.process.WorkItemHandler;
+import org.kie.api.runtime.process.WorkItemManager;
+import org.kie.internal.runtime.Cacheable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Camel jBPM {@link WorkItemHandler} which allows to call Camel routes with a
<code>direct</code> endpoint.
+ * <p/>
+ * The handler passes the {@WorkItem} to the route that has a consumer on the
endpoint-id that can be passed with the
+ * <code>camel-endpoint-id</code>{@link WorkItem} parameter. E.g. when a the
value "myCamelEndpoint" is passed to the {link WorkItem} via
+ * the <code>camel-endpoint-id</code> parameter, this command will send the
{@link WorkItem} to the Camel URI
+ * <code>direct://myCamelEndpoint</code>.
+ * <p/>
+ * The body of the result {@link Message} of the invocation is returned via
the <code>response</code> parameter. Access to the raw response
+ * {@link Message} is provided via the <code>message</code> parameter. This
gives the user access to more advanced fields like message
+ * headers and attachments.
+ * <p/>
+ * This handler can be constructed in multiple ways. When you don't pass a
{@link RuntimeManager} to the constructor, the handler will try
+ * to find the global KIE {@link CamelContext} from the <code>jBPM</code>
{@link ServiceRegistry}. When the {@link RuntimeManager} is passed
+ * to the constructor, the handler will retrieve and use the {@link
CamelContext} bound to the {@link RuntimeManage} from the
+ * {@link ServiceRegistry}. When a <code>camel-endpoint-id</code> is passed to
the constructor, the handler will send all requests to the
+ * Camel route that is consuming from that endpoint, unless the endpoint is
overridden by passing a the <code>camel-endpoint-id</code> in
+ * the {@link WorkItem} parameters.
+ *
+ */
+public abstract class AbstractCamelWorkItemHandler extends
AbstractLogOrThrowWorkItemHandler implements Cacheable {
+
+ private static final String GLOBAL_CAMEL_CONTEXT_SERVICE_KEY =
"GlobalCamelService";
Review comment:
maybe move the constant to JBPMConstants class and then reuse that constant
also in the
https://github.com/apache/camel/blob/master/components/camel-jbpm/src/main/java/org/apache/camel/component/jbpm/server/CamelKieServerExtension.java#L88
so we don't diverge in names.
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> Create new CamelWIH to integrate with recently added Camel support in
> jBPM/KIE-Server
> --------------------------------------------------------------------------------------
>
> Key: CAMEL-12964
> URL: https://issues.apache.org/jira/browse/CAMEL-12964
> Project: Camel
> Issue Type: New Feature
> Components: camel-jbpm
> Affects Versions: 2.23.0
> Reporter: Duncan Doyle
> Assignee: Maciej Swiderski
> Priority: Major
>
> The new camel-jbpm component allows CamelContexts and Routes to be defined on
> both a global (KIE-Server) and runtimeManager/deploymentUnit/KJAR level. A
> new CamelWorkItemHandler that integrates with these CamelContexts and routes
> would allow easy integration with external resources throuch Camel Components
> from within a process/case definition.
> See: https://issues.jboss.org/browse/JBPM-7995
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