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 /*
  * Copyright 2014 JBoss by Red Hat.
  *
  * 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.
 */
package org.jbpm.services.cdi.impl.manager;
import  javax.enterprise.context.ApplicationScoped;
import  javax.enterprise.inject.Instance;
import  javax.inject.Inject;
import  org.jbpm.runtime.manager.impl.RuntimeManagerFactoryImpl;
import  org.jbpm.runtime.manager.impl.SimpleRuntimeEnvironment;
import  org.jbpm.runtime.manager.impl.factory.LocalTaskServiceFactory;
import  org.kie.api.runtime.manager.RuntimeEnvironment;
import  org.kie.internal.runtime.manager.TaskServiceFactory;
@ApplicationScoped
public class RuntimeManagerFactoryCDIImpl extends RuntimeManagerFactoryImpl {
    @Inject
    private Instance<TaskServiceFactory> taskServiceFactoryInjected;
    
    @Override
    protected TaskServiceFactory getTaskServiceFactory(RuntimeEnvironment environment) {
    	
    	// if there is an implementation of TaskServiceFactory in the environment then use it
        TaskServiceFactory taskServiceFactory = (TaskServiceFactory) ((SimpleRuntimeEnvironment)environment).getEnvironmentTemplate()
        											.get("org.kie.internal.runtime.manager.TaskServiceFactory");
        if (taskServiceFactory != null) {
        	return taskServiceFactory;
        }
        try {
            taskServiceFactory = .get();
            // since this is CDI let's make sure it has all dependencies met
            taskServiceFactory.newTaskService().toString();
        } catch (Exception e) {
            taskServiceFactory = new LocalTaskServiceFactory(environment);
        }
        
        return taskServiceFactory;
    }
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