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JDBC Driver over YDB Java SDK
package tech.ydb.jdbc.exception;
import java.sql.SQLException;
import tech.ydb.core.StatusCode;
import tech.ydb.core.UnexpectedResultException;
/**
*
* @author Aleksandr Gorshenin
*/
public class ExceptionFactory {
private ExceptionFactory() { }
static String getSQLState(StatusCode status) {
// TODO: Add SQLSTATE message with order with https://en.wikipedia.org/wiki/SQLSTATE
return null;
}
static int getVendorCode(StatusCode code) {
return code.getCode();
}
public static SQLException createException(String message, UnexpectedResultException cause) {
StatusCode code = cause.getStatus().getCode();
String sqlState = getSQLState(code);
int vendorCode = getVendorCode(code);
// base retryable statuses are translated to SQLRecoverableException
if (code.isRetryable(false)) {
return new YdbRetryableException(message, sqlState, vendorCode, cause);
}
// transport problems are translated to SQLTransientConnectionException
if (code == StatusCode.TRANSPORT_UNAVAILABLE || code == StatusCode.UNAVAILABLE) {
return new YdbUnavailbaleException(message, sqlState, vendorCode, cause);
}
// timeouts are translated to SQLTimeoutException
if (code == StatusCode.TIMEOUT ||
code == StatusCode.CLIENT_DEADLINE_EXPIRED ||
code == StatusCode.CLIENT_DEADLINE_EXCEEDED) {
return new YdbTimeoutException(message, sqlState, vendorCode, cause);
}
// all others transient problems are translated to base SQLTransientException
if (code.isRetryable(true)) {
return new YdbConditionallyRetryableException(message, sqlState, vendorCode, cause);
}
return new YdbSQLException(message, sqlState, vendorCode, cause);
}
}
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