public String[] getCleanSql() {
if (cleanSql == null) {
// loop over all foreign key constraints
List dropForeignKeysSql = new ArrayList();
List createForeignKeysSql = new ArrayList();
Iterator iter = configuration.getTableMappings();
while (iter.hasNext()) {
Table table = (Table) iter.next();
if (table.isPhysicalTable()) {
Iterator subIter = table.getForeignKeyIterator();
while (subIter.hasNext()) {
ForeignKey fk = (ForeignKey) subIter.next();
if (fk.isPhysicalConstraint()) {
// collect the drop key constraint
dropForeignKeysSql.add(
fk.sqlDropString(
dialect,
properties.getProperty(Environment.DEFAULT_CATALOG),
properties.getProperty(Environment.DEFAULT_SCHEMA)));
createForeignKeysSql.add(
fk.sqlCreateString(
dialect,
mapping,
properties.getProperty(Environment.DEFAULT_CATALOG),
properties.getProperty(Environment.DEFAULT_SCHEMA)));
}
}
}
}
List deleteSql = new ArrayList();
iter = configuration.getTableMappings();
while (iter.hasNext()) {
Table table = (Table) iter.next();
deleteSql.add("delete from " + table.getName());
}
List cleanSqlList = new ArrayList();
cleanSqlList.addAll(dropForeignKeysSql);
cleanSqlList.addAll(deleteSql);
cleanSqlList.addAll(createForeignKeysSql);
cleanSql = (String[]) cleanSqlList.toArray(new String[cleanSqlList.size()]);
}
return cleanSql;
}
public void execute(String[] sqls) {
String sql = null;
String showSqlText = properties.getProperty("hibernate.show_sql");
boolean showSql = ("true".equalsIgnoreCase(showSqlText));
try {
createConnection();
statement = connection.createStatement();
for (int i = 0; i < sqls.length; i++) {
sql = sqls[i];
String delimitedSql = sql + getSqlDelimiter();
if (showSql) log.debug(delimitedSql);
statement.executeUpdate(delimitedSql);
}
} catch (SQLException e) {
e.printStackTrace();
throw new RuntimeException("couldn't execute sql '" + sql + "'", e);
} finally {
closeConnection();
}
}
private synchronized String getSqlDelimiter() {
if (sqlDelimiter == null) {
sqlDelimiter = properties.getProperty("jbpm.sql.delimiter", ";");
}
return sqlDelimiter;
}
