You would require to change the connection.properties file of your local Tomcat Server (Server > Java Web Tomcat 8 Server-config/config_master/connection_data), to point to the HANA database.
Here are the usual parameters that need to be configured for HANA database
javax.persistence.jdbc.driver=com.sap.db.jdbc.Driver javax.persistence.jdbc.url=jdbc:sap://<host>:<port>/?reconnect=true&autocommit=false javax.persistence.jdbc.user=db-user javax.persistence.jdbc.password=db-pass eclipselink.target-database=HANA