8203059: (so) Closing a socket channel registered with Selector and with SO_LINGER set to 0 does not reset connection
Reviewed-by: chegar
/*
* 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>.
*
* @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;
}