/*
* @(#)SQLWarning.java 1.30 06/08/06
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
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 vender 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.
* <p>
*/
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;
}
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