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/*-
* ============LICENSE_START=======================================================
* OPENECOMP - MSO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.mso.bpmn.core.mybatis;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.camunda.bpm.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.camunda.bpm.engine.impl.cfg.StandaloneProcessEngineConfiguration;
import org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor;
import org.camunda.bpm.engine.impl.interceptor.CommandInterceptor;
import org.camunda.bpm.engine.impl.interceptor.LogInterceptor;
import org.camunda.bpm.engine.impl.util.ReflectUtil;
/**
* A special process engine that provides access to MyBatis mappings.
* @version 1.0
*/
public class CustomMyBatisSessionFactory extends
StandaloneProcessEngineConfiguration {
private String resourceName;
/**
* Overridden to ensure nobody ever tries to initialize this process engine
* in the normal way. We are using this process engine only for MyBatis
* access.
*/
@Override
protected void init() {
throw new UnsupportedOperationException("init");
}
/**
* Initialize the ProcessEngineConfiguration from an existing one, just
* using the database settings to initialize the database / MyBatis stuff.
*/
public void initFromProcessEngineConfiguration(
ProcessEngineConfigurationImpl processEngineConfiguration,
String resourceName) {
this.resourceName = resourceName;
setDatabaseType(processEngineConfiguration.getDatabaseType());
setDataSource(processEngineConfiguration.getDataSource());
setDatabaseTablePrefix(processEngineConfiguration
.getDatabaseTablePrefix());
initDataSource();
// initVariableTypes();
initCommandContextFactory();
initTransactionFactory();
initTransactionContextFactory();
initCommandExecutors();
initSqlSessionFactory();
initIncidentHandlers();
initIdentityProviderSessionFactory();
initSessionFactories();
}
/**
* In order to always open a new command context set the property
* "alwaysOpenNew" to true inside the CommandContextInterceptor.
*
* If you execute the custom queries inside the process engine (for example
* in a service task), you have to do this.
*/
@Override
protected Collection<? extends CommandInterceptor> getDefaultCommandInterceptorsTxRequired() {
List<CommandInterceptor> defaultCommandInterceptorsTxRequired =
new ArrayList<CommandInterceptor>();
defaultCommandInterceptorsTxRequired.add(new LogInterceptor());
defaultCommandInterceptorsTxRequired.add(new CommandContextInterceptor(
commandContextFactory, this, true));
return defaultCommandInterceptorsTxRequired;
}
@Override
protected InputStream getMyBatisXmlConfigurationSteam() {
return ReflectUtil.getResourceAsStream(resourceName);
}
}
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