JDK14/Java14源码在线阅读

/*
 * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package java.sql;

/**
 * <P>An exception that provides information on  database access
 * warnings. Warnings are silently chained to the object whose method
 * caused it to be reported.
 * <P>
 * Warnings may be retrieved from <code>Connection</code>, <code>Statement</code>,
 * and <code>ResultSet</code> objects.  Trying to retrieve a warning on a
 * connection after it has been closed will cause an exception to be thrown.
 * Similarly, trying to retrieve a warning on a statement after it has been
 * closed or on a result set after it has been closed will cause
 * an exception to be thrown. Note that closing a statement also
 * closes a result set that it might have produced.
 *
 * @see Connection#getWarnings
 * @see Statement#getWarnings
 * @see ResultSet#getWarnings
 * @since 1.1
 */
public class SQLWarning extends SQLException {

    /**
     * Constructs a  <code>SQLWarning</code> object
     *  with a given <code>reason</code>, <code>SQLState</code>  and
     * <code>vendorCode</code>.
     *
     * The <code>cause</code> is not initialized, and may subsequently be
     * initialized by a call to the
     * {@link Throwable#initCause(java.lang.Throwable)} method.
     *
     * @param reason a description of the warning
     * @param SQLState an XOPEN or SQL:2003 code identifying the warning
     * @param vendorCode a database vendor-specific warning code
     */
     public SQLWarning(String reason, String SQLState, int vendorCode) {
        super(reason, SQLState, vendorCode);
        DriverManager.println("SQLWarning: reason(" + reason +
                              ") SQLState(" + SQLState +
                              ") vendor code(" + vendorCode + ")");
    }


    /**
     * Constructs a <code>SQLWarning</code> object
     * with a given <code>reason</code> and <code>SQLState</code>.
     *
     * The <code>cause</code> is not initialized, and may subsequently be
     * initialized by a call to the
     * {@link Throwable#initCause(java.lang.Throwable)} method. The vendor code
     * is initialized to 0.
     *
     * @param reason a description of the warning
     * @param SQLState an XOPEN or SQL:2003 code identifying the warning
     */
    public SQLWarning(String reason, String SQLState) {
        super(reason, SQLState);
        DriverManager.println("SQLWarning: reason(" + reason +
                                  ") SQLState(" + SQLState + ")");
    }

    /**
     * Constructs a <code>SQLWarning</code> object
     * with a given <code>reason</code>. The <code>SQLState</code>
     * is initialized to <code>null</code> and the vendor code is initialized
     * to 0.
     *
     * The <code>cause</code> is not initialized, and may subsequently be
     * initialized by a call to the
     * {@link Throwable#initCause(java.lang.Throwable)} method.
     *
     * @param reason a description of the warning
     */
    public SQLWarning(String reason) {
        super(reason);
        DriverManager.println("SQLWarning: reason(" + reason + ")");
    }

    /**
     * Constructs a  <code>SQLWarning</code> object.
     * The <code>reason</code>, <code>SQLState</code> are initialized
     * to <code>null</code> and the vendor code is initialized to 0.
     *
     * The <code>cause</code> is not initialized, and may subsequently be
     * initialized by a call to the
     * {@link Throwable#initCause(java.lang.Throwable)} method.
     *
     */
    public SQLWarning() {
        super();
        DriverManager.println("SQLWarning: ");
    }

    /**
     * Constructs a <code>SQLWarning</code> object
     * with a given  <code>cause</code>.
     * The <code>SQLState</code> is initialized
     * to <code>null</code> and the vendor code is initialized to 0.
     * The <code>reason</code>  is initialized to <code>null</code> if
     * <code>cause==null</code> or to <code>cause.toString()</code> if
     * <code>cause!=null</code>.
     *
     * @param cause the underlying reason for this <code>SQLWarning</code> (which is saved for later retrieval by the <code>getCause()</code> method); may be null indicating
     *     the cause is non-existent or unknown.
     */
    public SQLWarning(Throwable cause) {
        super(cause);
        DriverManager.println("SQLWarning");
    }

    /**
     * Constructs a <code>SQLWarning</code> object
     * with a given
     * <code>reason</code> and  <code>cause</code>.
     * The <code>SQLState</code> is  initialized to <code>null</code>
     * and the vendor code is initialized to 0.
     *
     * @param reason a description of the warning
     * @param cause  the underlying reason for this <code>SQLWarning</code>
     * (which is saved for later retrieval by the <code>getCause()</code> method);
     * may be null indicating the cause is non-existent or unknown.
     */
    public SQLWarning(String reason, Throwable cause) {
        super(reason,cause);
        DriverManager.println("SQLWarning : reason("+ reason + ")");
    }

    /**
     * Constructs a <code>SQLWarning</code> object
     * with a given
     * <code>reason</code>, <code>SQLState</code> and  <code>cause</code>.
     * The vendor code is initialized to 0.
     *
     * @param reason a description of the warning
     * @param SQLState an XOPEN or SQL:2003 code identifying the warning
     * @param cause the underlying reason for this <code>SQLWarning</code> (which is saved for later retrieval by the <code>getCause()</code> method); may be null indicating
     *     the cause is non-existent or unknown.
     */
    public SQLWarning(String reason, String SQLState, Throwable cause) {
        super(reason,SQLState,cause);
        DriverManager.println("SQLWarning: reason(" + reason +
                                  ") SQLState(" + SQLState + ")");
    }

    /**
     * Constructs a<code>SQLWarning</code> object
     * with a given
     * <code>reason</code>, <code>SQLState</code>, <code>vendorCode</code>
     * and  <code>cause</code>.
     *
     * @param reason a description of the warning
     * @param SQLState an XOPEN or SQL:2003 code identifying the warning
     * @param vendorCode a database vendor-specific warning code
     * @param cause the underlying reason for this <code>SQLWarning</code> (which is saved for later retrieval by the <code>getCause()</code> method); may be null indicating
     *     the cause is non-existent or unknown.
     */
    public SQLWarning(String reason, String SQLState, int vendorCode, Throwable cause) {
        super(reason,SQLState,vendorCode,cause);
        DriverManager.println("SQLWarning: reason(" + reason +
                              ") SQLState(" + SQLState +
                              ") vendor code(" + vendorCode + ")");

    }
    /**
     * Retrieves the warning chained to this <code>SQLWarning</code> object by
     * <code>setNextWarning</code>.
     *

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