org.mybatis.guice.MyBatisJtaModule Maven / Gradle / Ivy

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/*
 *    Copyright 2009-2023 the original author or authors.
 *
 *    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
 *
 *       https://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.mybatis.guice;

import static com.google.inject.matcher.Matchers.annotatedWith;
import static com.google.inject.matcher.Matchers.any;
import static com.google.inject.matcher.Matchers.not;
import static org.mybatis.guice.Preconditions.checkArgument;

import jakarta.inject.Provider;
import jakarta.transaction.TransactionManager;

import javax.transaction.xa.XAResource;

import org.apache.ibatis.logging.Log;
import org.apache.ibatis.logging.LogFactory;
import org.apache.ibatis.transaction.TransactionFactory;
import org.apache.ibatis.transaction.jdbc.JdbcTransactionFactory;
import org.apache.ibatis.transaction.managed.ManagedTransactionFactory;
import org.mybatis.guice.transactional.Transactional;
import org.mybatis.guice.transactional.TransactionalMethodInterceptor;
import org.mybatis.guice.transactional.TxTransactionalMethodInterceptor;
import org.mybatis.guice.transactional.XASqlSessionManagerProvider;

public abstract class MyBatisJtaModule extends MyBatisModule {
  private final Log log = LogFactory.getLog(getClass());

  private TransactionManager transactionManager;
  private Class> xaResourceProvider = XASqlSessionManagerProvider.class;

  public MyBatisJtaModule() {
  }

  public MyBatisJtaModule(TransactionManager transactionManager) {
    this.transactionManager = transactionManager;
  }

  @Override
  protected void bindTransactionInterceptors() {
    TransactionManager manager = getTransactionManager();

    if (manager == null) {
      log.debug("bind default transaction interceptors");
      super.bindTransactionInterceptors();
    } else {
      log.debug("bind XA transaction interceptors");

      // transactional interceptor
      TransactionalMethodInterceptor interceptor = new TransactionalMethodInterceptor();
      requestInjection(interceptor);

      // jta transactional interceptor
      TxTransactionalMethodInterceptor interceptorTx = new TxTransactionalMethodInterceptor();
      requestInjection(interceptorTx);
      bind(XAResource.class).toProvider(xaResourceProvider);

      bind(TransactionManager.class).toInstance(manager);

      bindInterceptor(any(), not(DECLARED_BY_OBJECT).and(annotatedWith(Transactional.class)), interceptorTx,
          interceptor);
      // Intercept classes annotated with Transactional, but avoid "double"
      // interception when a mathod is also annotated inside an annotated
      // class.
      bindInterceptor(annotatedWith(Transactional.class),
          not(DECLARED_BY_OBJECT).and(not(annotatedWith(Transactional.class))), interceptorTx, interceptor);
    }
  }

  protected TransactionManager getTransactionManager() {
    return transactionManager;
  }

  protected void setTransactionManager(TransactionManager transactionManager) {
    this.transactionManager = transactionManager;
  }

  protected void bindDefaultTransactionProvider() {
    Class factoryType = getTransactionManager() == null ? JdbcTransactionFactory.class
        : ManagedTransactionFactory.class;

    bindTransactionFactoryType(factoryType);
  }

  protected void bindXAResourceProvider(Class> xaResourceProvider) {
    checkArgument(xaResourceProvider != null, "Parameter 'xaResourceProvider' must be not null");
    this.xaResourceProvider = xaResourceProvider;
  }

  protected static class ProviderImpl implements Provider {
    private T wrapper;

    public ProviderImpl(T wrapper) {
      this.wrapper = wrapper;
    }

    @Override
    public T get() {
      return wrapper;
    }

  }
}