} else {
                            postcard.addTo(fessConfig.getMailFromAddress());
                            postcard.dryrun();
                        }
                        postcard.setHostname(systemHelper.getHostname());
                        postcard.setClustername(ping.getClusterName());
                        postcard.setClusterstatus(ping.getClusterStatus());
                    });

     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

    /**
     * Set the value of clustername, used in parameter comment. <br>

        this.fileConfigId = value;
    }

    public String getHostname() {
        checkSpecifiedProperty("hostname");
        return convertEmptyToNull(hostname);
    }

    public void setHostname(String value) {
        registerModifiedProperty("hostname");
        this.hostname = value;
    }

    public String getParameters() {
        checkSpecifiedProperty("parameters");

        this.createdTime = value;
    }

    public String getHostname() {
        checkSpecifiedProperty("hostname");
        return convertEmptyToNull(hostname);
    }

    public void setHostname(String value) {
        registerModifiedProperty("hostname");
        this.hostname = value;
    }

    public String getParameters() {
        checkSpecifiedProperty("parameters");