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/*-
 * Copyright (C) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
 *
 * This file was distributed by Oracle as part of a version of Oracle Berkeley
 * DB Java Edition made available at:
 *
 * http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html
 *
 * Please see the LICENSE file included in the top-level directory of the
 * appropriate version of Oracle Berkeley DB Java Edition for a copy of the
 * license and additional information.
 */

package com.sleepycat.util;

/**
 * Interface implemented by exceptions that can contain nested exceptions.
 *
 * @author Mark Hayes
 */
public interface ExceptionWrapper {

    /**
     * Returns the nested exception or null if none is present.
     *
     * @return the nested exception or null if none is present.
     *
     * @deprecated replaced by {@link #getCause}.
     */
    Throwable getDetail();

    /**
     * Returns the nested exception or null if none is present.
     *
     * This method is intentionally defined to be the same signature as the
     * java.lang.Throwable.getCause method in Java 1.4 and
     * greater.  By defining this method to return a nested exception, the Java
     * 1.4 runtime will print the nested stack trace.
     *
     * @return the nested exception or null if none is present.
     */
    Throwable getCause();
}