Sonar link: https://sonar.onap.org/code?id=org.onap.aaf.authz%3Aparent&selected=org.onap.aaf.authz%3Aaaf-auth-cass%3Asrc%2Fmain%2Fjava%2Forg%2Fonap%2Faaf%2Fauth%2Fdao%2Fcass%2FApprovalDAO.java