TransactionContextExtension.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.apache.deltaspike.jpa.impl.transaction.context;

import org.apache.deltaspike.core.spi.activation.Deactivatable;
import org.apache.deltaspike.core.util.ClassDeactivationUtils;

import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AfterBeanDiscovery;
import javax.enterprise.inject.spi.BeforeBeanDiscovery;
import javax.enterprise.inject.spi.Extension;

/**
 * CDI Extension which registers and manages the {@link TransactionContext}.
 */
public class TransactionContextExtension implements Extension, Deactivatable
{
    private Boolean isActivated = true;

    protected void init(@Observes BeforeBeanDiscovery beforeBeanDiscovery)
    {
        isActivated = ClassDeactivationUtils.isActivated(getClass());
    }

    /**
     * Register the TransactionContext as a CDI Context
     *
     * @param afterBeanDiscovery after-bean-discovery event
     */
    protected void registerTransactionContext(@Observes AfterBeanDiscovery afterBeanDiscovery)
    {
        if (!isActivated)
        {
            return;
        }

        TransactionContext transactionContext = new TransactionContext();
        afterBeanDiscovery.addContext(transactionContext);
    }
}