Propagation.java

/*
 * #%L
 * Wisdom-Framework
 * %%
 * Copyright (C) 2013 - 2014 Wisdom Framework
 * %%
 * 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
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package org.wisdom.framework.transaction;

/**
 * Enumeration that represents transaction propagation behaviors.
 */
public enum Propagation {

    /**
     * Support a current transaction, throw an exception if none exists.
     */
    MANDATORY,

    /**
     * Execute non-transactionally, throw an exception if a transaction exists.
     */
    NEVER,

    /**
     * Execute non-transactionally, suspend the current transaction if one exists.
     */
    NOT_SUPPORTED,

    /**
     * Support a current transaction, execute non-transactionally if none exists.
     */
    SUPPORTED,

    /**
     * Support a current transaction, create a new one if none exists.
     */
    REQUIRES,

    /**
     * Create a new transaction, suspend the current transaction if one exists.
     */
    REQUIRES_NEW
}