Changes for TJDO to support DB2 on zOS
1. DatabaseAdapter::isDb2 method changed to support
Db2 on different platforms.
for additional info
2. DB2 on zOS does not support special register "Current
Schema" . Therefore added a property
com.triactive.jdo.schemaName to JDO.properties file and
modified PersistenceManagerFactory class to process
3. Modified StoreManager constructor to get schema
name from PMF and if not then get from database.
Beside these changes the other changes required are
The ID field for all the tables should be of type Decimal
since DB2 does not support BIGINT on zOS.