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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2020 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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.wildfly.transaction.client;

/**
 * A single point to take a currently configured provider that is capable to list all the in-doubt
 * {@link javax.transaction.xa.XAResource}s from the all records maintained as {@link XAResourceRegistry} instances.
 */
public final class XAResourceRegistryProviderHolder {
    private static XAResourceRegistryProvider INSTANCE;

    /**
     * Returning instance of the currently configured {@link XAResourceRegistryProvider}.
     *
     * @return xaresource registry provider instance which was {@link #register(XAResourceRegistryProvider)}ed
     *         beforehand manually in the code
     */
    public static XAResourceRegistryProvider getInstance() {
        return INSTANCE;
    }

    /**
     * Registering the {@link XAResourceRegistryProvider}. This give a way how
     * to approach the in-doubt {@link javax.transaction.xa.XAResource}s when the {@link SubordinateXAResource}
     * is not linked with the {@link XAResourceRegistry}.
     *
     * @param xaResourceRegistryProvider
     */
    public static void register(XAResourceRegistryProvider xaResourceRegistryProvider) {
        INSTANCE = xaResourceRegistryProvider;
    }
}