public void setLastActive(Date lastActive) {
        this.lastActive = lastActive;
    }
Sets the date and time that this connection was last used.

@param lastActive
    The date and time that this connection was last used, or null if this
    connection has never been used or this information is unavailable.
guacamole/src/main/java/org/apache/guacamole/rest/connection/APIConnection.java