/*
 * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

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
 */
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.
 * <p>
 * @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.
 * <p>
 * @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.
 * <p>
 * @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>.
 * <p>
 * @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.
 * <p>
 * @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.
 * <p>
 * @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>.
 * <p>
 * @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>.
 *
 * @return the next <code>SQLException</code> in the chain; <code>null</code> if none
 * @see #setNextWarning
 */
 public SQLWarning getNextWarning() {
 try {
 return ((SQLWarning)getNextException());
 } catch (ClassCastException ex) {
 // The chained value isn't a SQLWarning.
 // This is a programming error by whoever added it to
 // the SQLWarning chain. We throw a Java "Error".
 throw new Error("SQLWarning chain holds value that is not a SQLWarning");
 }
 }

 /**
 * Adds a <code>SQLWarning</code> object to the end of the chain.
 *
 * @param w the new end of the <code>SQLException</code> chain
 * @see #getNextWarning
 */
 public void setNextWarning(SQLWarning w) {
 setNextException(w);
 }

 private static final long serialVersionUID = 3917336774604784856L;
}