/**
* Licensed to the Austrian Association for Software Tool Integration (AASTI)
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. The AASTI 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.openengsb.core.workflow.drools;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Callable;
import org.drools.runtime.KnowledgeRuntime;
import org.drools.runtime.process.ProcessInstance;
import org.openengsb.core.workflow.api.model.ProcessBag;
public final class WorkflowHelper {
private WorkflowHelper() {
}
public static long startFlow(KnowledgeRuntime session, String processId) {
return startFlow(session, processId, new HashMap<String, Object>());
}
public static long startFlow(KnowledgeRuntime session, String processId, Map<String, Object> params) {
ProcessBag processBag = getProcessBag(params);
ProcessInstance processInstance = session.createProcessInstance(processId, params);
session.insert(processInstance);
processBag.setProcessId(String.valueOf(processInstance.getId()));
session.startProcessInstance(processInstance.getId());
return processInstance.getId();
}
private static ProcessBag getProcessBag(Map<String, Object> params) {
ProcessBag processBag;
if (!params.containsKey("processBag")) {
processBag = new ProcessBag();
params.put("processBag", processBag);
} else {
processBag = (ProcessBag) params.get("processBag");
}
return processBag;
}
public static Callable<Long> getCallable(final KnowledgeRuntime session, final String processId,
final Map<String, Object> params) {
return new Callable<Long>() {
@Override
public Long call() throws Exception {
return startFlow(session, processId, params);
}
};
}
}