/* Copyright (c) 2001-2011, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb;
import org.hsqldb.error.
Error;
import org.hsqldb.error.
ErrorCode;
import org.hsqldb.result.
Result;
/**
* Class encapsulating all exceptions that can be thrown within the engine.
* Instances are used to create instances of java.sql.SQLException and returned
* to JDBC callers.
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 1.9.0
* @since 1.7.2
*/
public class
HsqlException extends
RuntimeException {
//
public static final
HsqlException[]
emptyArray = new
HsqlException[]{};
public static final
HsqlException noDataCondition =
Error.
error(
ErrorCode.
N_02000);
//
private
String message;
private
String state;
private int
code;
private int
level;
private int
statementGroup;
private int
statementCode;
public
Object info;
/**
* @param message String
* @param state XOPEN / SQL code for exception
* @param code number code in HSQLDB
*/
public
HsqlException(
Throwable t,
String message,
String state, int
code) {
super(
t);
this.
message =
message;
this.
state =
state;
this.
code =
code;
}
/**
* @param r containing the members
*/
public
HsqlException(
Result r) {
this.
message =
r.
getMainString();
this.
state =
r.
getSubString();
this.
code =
r.
getErrorCode();
}
public
HsqlException(
Throwable t,
String errorState, int
errorCode) {
super(
t);
this.
message =
t.
toString();
this.
state =
errorState;
this.
code =
errorCode;
}
/**
* @return message
*/
public
String getMessage() {
return
message;
}
public void
setMessage(
String message) {
this.
message =
message;
}
/**
* @return SQL State
*/
public
String getSQLState() {
return
state;
}
/**
* @return vendor specific error code
*/
public int
getErrorCode() {
return
code;
}
public void
setLevel(int
level) {
this.
level =
level;
}
public int
getLevel() {
return
level;
}
public int
getStatementCode() {
return
statementCode;
}
public void
setStatementType(int
group, int
code) {
statementGroup =
group;
statementCode =
code;
}
public static class
HsqlRuntimeMemoryError extends
OutOfMemoryError {
HsqlRuntimeMemoryError() {}
}
public int
hashCode() {
return
code;
}
public boolean
equals(
Object other) {
if (
other instanceof
HsqlException) {
HsqlException o = (
HsqlException)
other;
return
code ==
o.
code &&
equals(
state,
o.
state)
&&
equals(
message,
o.
message);
}
return false;
}
private static boolean
equals(
Object a,
Object b) {
if (
a ==
b) {
return true;
}
if (
a == null ||
b == null) {
return false;
}
return
a.
equals(
b);
}
}