org.activiti.spring.SpringTransactionInterceptor Maven / Gradle / Ivy
/* 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.activiti.spring;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.impl.interceptor.AbstractCommandInterceptor;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;
/**
*/
public class SpringTransactionInterceptor extends AbstractCommandInterceptor {
private static final Logger LOGGER = LoggerFactory.getLogger(SpringTransactionInterceptor.class);
protected PlatformTransactionManager transactionManager;
public SpringTransactionInterceptor(PlatformTransactionManager transactionManager) {
this.transactionManager = transactionManager;
}
public T execute(final CommandConfig config, final Command command) {
LOGGER.debug("Running command with propagation {}", config.getTransactionPropagation());
TransactionTemplate transactionTemplate = new TransactionTemplate(transactionManager);
transactionTemplate.setPropagationBehavior(getPropagation(config));
T result = transactionTemplate.execute(new TransactionCallback() {
public T doInTransaction(TransactionStatus status) {
return next.execute(config, command);
}
});
return result;
}
private int getPropagation(CommandConfig config) {
switch (config.getTransactionPropagation()) {
case NOT_SUPPORTED:
return TransactionTemplate.PROPAGATION_NOT_SUPPORTED;
case REQUIRED:
return TransactionTemplate.PROPAGATION_REQUIRED;
case REQUIRES_NEW:
return TransactionTemplate.PROPAGATION_REQUIRES_NEW;
default:
throw new ActivitiIllegalArgumentException("Unsupported transaction propagation: " + config.getTransactionPropagation());
}
}
}