/**
* This Source Code Form is subject to the terms of the Mozilla Public License,
* v. 2.0. If a copy of the MPL was not distributed with this file, You can
* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
*
* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
* graphic logo is a trademark of OpenMRS Inc.
*/
package org.openmrs.util.databasechange;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.openmrs.hl7.HL7Constants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import liquibase.change.custom.CustomChange;
import liquibase.change.custom.CustomTaskChange;
import liquibase.database.Database;
import liquibase.database.jvm.JdbcConnection;
import liquibase.exception.CustomChangeException;
import liquibase.exception.DatabaseException;
import liquibase.exception.SetupException;
import liquibase.exception.ValidationErrors;
import liquibase.resource.ResourceAccessor;
/**
* This change set moves "deleted" HL7s from the archive table to the queue table
*/
public class MoveDeletedHL7sChangeSet implements CustomTaskChange {
protected final static Logger log = LoggerFactory.getLogger(MoveDeletedHL7sChangeSet.class);
/**
* @see CustomTaskChange#execute(Database)
*/
@Override
public void execute(Database database) throws CustomChangeException {
JdbcConnection connection = (JdbcConnection) database.getConnection();
StringBuilder getDeletedHL7sSql = new StringBuilder();
getDeletedHL7sSql.append("SELECT hl7_source, hl7_source_key, hl7_data, date_created, uuid, hl7_in_archive_id");
getDeletedHL7sSql.append(" FROM hl7_in_archive WHERE message_state=");
getDeletedHL7sSql.append(HL7Constants.HL7_STATUS_DELETED);
StringBuilder insertHL7Sql = new StringBuilder();
insertHL7Sql.append("INSERT INTO hl7_in_queue");
insertHL7Sql.append(" (hl7_source, hl7_source_key, hl7_data, date_created, uuid, message_state)");
insertHL7Sql.append(" VALUES (?, ?, ?, ?, ?, ");
insertHL7Sql.append(HL7Constants.HL7_STATUS_DELETED);
insertHL7Sql.append(")");
PreparedStatement insertStatement = null;
PreparedStatement deleteStatement = null;
try {
insertStatement = connection.prepareStatement(insertHL7Sql.toString());
deleteStatement = connection.prepareStatement("DELETE FROM hl7_in_archive WHERE hl7_in_archive_id=?");
// iterate over deleted HL7s
ResultSet archives = connection.createStatement().executeQuery(getDeletedHL7sSql.toString());
while (archives.next()) {
// add to the queue
insertStatement.setString(1, archives.getString(1)); // set hl7_source
insertStatement.setString(2, archives.getString(2)); // set hl7_source_key
insertStatement.setString(3, archives.getString(3)); // set hl7_data
insertStatement.setDate(4, archives.getDate(4)); // set date_created
insertStatement.setString(5, archives.getString(5)); // set uuid
insertStatement.executeUpdate();
// remove from the archives
deleteStatement.setInt(1, archives.getInt(6));
deleteStatement.executeUpdate();
}
// cleanup
if (insertStatement != null) {
insertStatement.close();
}
if (deleteStatement != null) {
deleteStatement.close();
}
}
catch (SQLException e) {
throw new CustomChangeException("Unable to move deleted HL7s from archive table to queue table", e);
}
catch (DatabaseException dbex) {
throw new CustomChangeException("Unable to move deleted HL7s from archive table to queue table", dbex);
}
}
/**
* @see CustomChange#getConfirmationMessage()
*/
@Override
public String getConfirmationMessage() {
return "Finished moving deleted changesets";
}
/**
* @see CustomChange#setFileOpener(ResourceAccessor)
*/
@Override
public void setFileOpener(ResourceAccessor fo) {
}
/**
* @see CustomChange#setUp()
*/
@Override
public void setUp() throws SetupException {
}
/**
* @see CustomChange#validate(Database)
*/
@Override
public ValidationErrors validate(Database db) {
return new ValidationErrors();
}
}