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/*
 * Copyright 2017-2020 original 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 io.micronaut.configuration.hibernate.jpa;

import io.micronaut.aop.MethodInterceptor;
import io.micronaut.aop.MethodInvocationContext;
import io.micronaut.context.BeanContext;
import io.micronaut.context.Qualifier;
import io.micronaut.context.annotation.Prototype;
import io.micronaut.core.annotation.Internal;
import io.micronaut.inject.ExecutableMethod;
import org.hibernate.Session;
import org.hibernate.SessionFactory;

/**
 * An interceptor that uses the current active session.
 *
 * @author graemerocher
 * @since 2.0
 * @see TransactionalSession
 * @see TransactionalSessionAdvice
 */
@Internal
@Prototype
class TransactionalSessionInterceptor implements MethodInterceptor {

    private final SessionFactory sessionFactory;

    /**
     * Default constructor.
     *
     * @param beanContext The bean context
     * @param qualifier   The qualifier
     */
    @Internal
    TransactionalSessionInterceptor(BeanContext beanContext, Qualifier qualifier) {
        this.sessionFactory = beanContext.getBean(SessionFactory.class, qualifier);
    }

    @Override
    public Object intercept(MethodInvocationContext context) {
        final ExecutableMethod method = context.getExecutableMethod();
        return method.invoke(sessionFactory.getCurrentSession(), context.getParameterValues());
    }
}