private static synchronized KJDB getInstance(DaoConfig daoConfig) {
KJDB dao = daoMap.get(daoConfig.getDbName());
if (dao == null) {
dao = new KJDB(daoConfig);
daoMap.put(daoConfig.getDbName(), dao);
}
return dao;
}
private KJDB(DaoConfig config) {
if (config == null) {
throw new RuntimeException("daoConfig is null");
}
if (config.getContext() == null) {
throw new RuntimeException("android context is null");
}
if (config.getTargetDirectory() != null && config.getTargetDirectory().trim().length() > 0) {
this.db = createDbFileOnSDCard(config.getTargetDirectory(), config.getDbName());
} else {
this.db =
new SqliteDbHelper(
config.getContext().getApplicationContext(),
config.getDbName(),
config.getDbVersion(),
config.getDbUpdateListener())
.getWritableDatabase();
}
this.config = config;
}