if (checksumPolicy == null) {
            checksumPolicy = DEFAULT_CHECKSUM_POLICY;
        }
        this.checksumPolicy = checksumPolicy;
    }

    public void setEnabled(boolean enabled) {
        this.enabled = enabled;
    }

    public void setUpdatePolicy(String updatePolicy) {
        if (updatePolicy != null) {
            this.updatePolicy = updatePolicy;
        }
    }