/*
* eGov suite of products aim to improve the internal efficiency,transparency,
* accountability and the service delivery of the government organizations.
*
* Copyright (C) <2015> eGovernments Foundation
*
* The updated version of eGov suite of products as by eGovernments Foundation
* is available at http://www.egovernments.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/ or
* http://www.gnu.org/licenses/gpl.html .
*
* In addition to the terms of the GPL license to be adhered to in using this
* program, the following additional terms are to be complied with:
*
* 1) All versions of this program, verbatim or modified must carry this
* Legal Notice.
*
* 2) Any misrepresentation of the origin of the material is prohibited. It
* is required that all modified versions of this material be marked in
* reasonable ways as different from the original version.
*
* 3) This license does not grant any rights to any user of the program
* with regards to rights under trademark law for use of the trade names
* or trademarks of eGovernments Foundation.
*
* In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org.
*/
package org.egov.infra.persistence.utils;
import java.io.Serializable;
import java.sql.SQLException;
import org.egov.infra.exception.ApplicationRuntimeException;
import org.hibernate.exception.SQLGrammarException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
/**
* Generic db sequence number generator class, this class first try to return the next val
* for the given DB sequenceName, if sequence does not exist then it creates a new DB sequence
* with the given sequenceName and return the next val for the DB sequence.
*/
@Service
public class ApplicationSequenceNumberGenerator {
public static String WORD_SEPARATOR_FOR_NAME = "_";
private static final String DISALLOWED_CHARACTERS = "[\\/ -]";
@Autowired
private DBSequenceGenerator dbSequenceGenerator;
@Autowired
private SequenceNumberGenerator sequenceNumberGenerator;
@Transactional
public Serializable getNextSequence(String sequenceName) {
sequenceName= sequenceName.replaceAll(DISALLOWED_CHARACTERS, WORD_SEPARATOR_FOR_NAME);
Serializable sequenceNumber;
try {
try {
sequenceNumber = this.sequenceNumberGenerator.getNextSequence(sequenceName);
} catch (SQLGrammarException e) {
sequenceNumber = this.dbSequenceGenerator.createAndGetNextSequence(sequenceName);
}
} catch (SQLException e) {
throw new ApplicationRuntimeException("Error occurred while getting next value for sequence : "+sequenceName, e);
}
return sequenceNumber;
}
}