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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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 */

package javax.resource.spi;

import java.util.Timer;
import javax.resource.spi.work.WorkManager;

/**
 * This provides a mechanism to pass a bootstrap context to a resource adapter
 * instance when it is bootstrapped. That is, when 
 * (start(BootstrapContext)) method on the 
 * ResourceAdapter class is invoked. The bootstrap
 * context contains references to useful facilities that could be used by the
 * resource adapter instance.
 *
 * @version 1.0
 * @author  Ram Jeyaraman
 */
public interface BootstrapContext {
    /**
     * Provides a handle to a WorkManager instance. The
     * WorkManager instance could be used by a resource adapter to
     * do its work by submitting Work instances for execution. 
     *
     * @return a WorkManager instance.
     */
    WorkManager getWorkManager();

    /**
     * Provides a handle to a XATerminator instance. The
     * XATerminator instance could be used by a resource adapter 
     * to flow-in transaction completion and crash recovery calls from an EIS.
     *
     * @return a XATerminator instance.
     */
    XATerminator getXATerminator();

    /**
     * Creates a new java.util.Timer instance. The
     * Timer instance could be used to perform periodic 
     * Work executions or other tasks.
     *
     * @throws UnavailableException indicates that a 
     * Timer instance is not available. The 
     * request may be retried later.
     *
     * @return a new Timer instance.
     */
    Timer createTimer() throws UnavailableException;
}