DBZ provides a simple interface to store/retrive key/value pairs on BerkeleyDB JE or MySQL
'org.accidia:dbz:0.0.6'
<dependency>
<groupId>org.accidia</groupId>
<artifactId>dbz</artifactId>
<version>0.0.6</version>
</dependency>
<dependency org="org.accidia" name="dbz" rev="0.0.6"/>
"org.accidia", "dbz", "0.0.6"