com.sap.cds.jdbc.hana.HanaExceptionAnalyzer Maven / Gradle / Ivy
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/*******************************************************************
* © 2020 SAP SE or an SAP affiliate company. All rights reserved. *
*******************************************************************/
package com.sap.cds.jdbc.hana;
import java.sql.SQLException;
import com.sap.cds.jdbc.generic.GenericExceptionAnalyzer;
/**
* The HanaExceptionAnalyzer can analyze incoming SQLExceptions from
* a SAP HANA connection and determine by the SQL error code which problem has
* occurred.
*
* All SAP HANA SQL error codes can be found here:
* https://launchpad.support.sap.com/#/notes/0002658020
*/
public class HanaExceptionAnalyzer extends GenericExceptionAnalyzer {
/**
* transaction rolled back by lock wait timeout
*/
private static final int ERR_TX_ROLLBACK_LOCK_TIMEOUT = 131;
/**
* Resource busy and NOWAIT specified
*/
private static final int ERR_TX_LOCK_ACQUISITION_FAIL = 146;
/**
* cannot insert NULL or update to NULL
*/
private static final int ERR_SQL_NOT_NULL = 287;
/**
* unique constraint violated
*/
private static final int ERR_SQL_UNIQUE_VIOLATED = 301;
@Override
public boolean isUniqueConstraint(SQLException ex) {
return ex.getErrorCode() == ERR_SQL_UNIQUE_VIOLATED;
}
@Override
public boolean isNotNullConstraint(SQLException ex) {
return ex.getErrorCode() == ERR_SQL_NOT_NULL;
}
@Override
public boolean isLockTimeout(SQLException ex) {
int errorCode = ex.getErrorCode();
return errorCode == ERR_TX_LOCK_ACQUISITION_FAIL || errorCode == ERR_TX_ROLLBACK_LOCK_TIMEOUT;
}
}