<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1047" height="648"><defs></defs><g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#C0C0C0" stroke="none" x="751" y="47" width="171" height="39" opacity="0.2"></rect></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="744" y="40" width="171" height="39"></rect></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 744 40 L 915 40 L 915 79 L 744 79 L 744 40 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="bold" text-decoration="none" x="787" y="59.5">DB4OManager</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 830.5 80 L 830.5 256" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#C0C0C0" stroke="none" x="555" y="47" width="111" height="39" opacity="0.2"></rect></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="548" y="40" width="111" height="39"></rect></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 548 40 L 659 40 L 659 79 L 548 79 L 548 40 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="bold" text-decoration="none" x="563" y="59.5">LoginManager</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 604.5 80 L 604.5 402" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#C0C0C0" stroke="none" x="311" y="47" width="105" height="39" opacity="0.2"></rect></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="304" y="40" width="105" height="39"></rect></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 304 40 L 409 40 L 409 79 L 304 79 L 304 40 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="bold" text-decoration="none" x="330" y="59.5">LoginGUI</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 357.5 80 L 357.5 614" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#C0C0C0" stroke="none" x="987" y="47" width="155" height="39" opacity="0.2"></rect></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 985 45 L 1140 45 L 1140 84 L 985 84 L 985 45 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="980" y="40" width="155" height="39"></rect></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 980 40 L 1135 40 L 1135 79 L 980 79 L 980 40 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="bold" text-decoration="none" x="1020.5" y="59.5">&lt;ac0,..,acn&gt;</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 1058.5 80 L 1058.5 129" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="#ffffff" stroke="none" d="M 156.0709090909091 47.3 C 156.0709090909091 43.82060576 158.9493108130909 41 162.5 41 C 166.0506891869091 41 168.92909090909092 43.82060576 168.92909090909092 47.3 C 168.92909090909092 50.779394239999995 166.0506891869091 53.6 162.5 53.6 C 158.9493108130909 53.6 156.0709090909091 50.779394239999995 156.0709090909091 47.3 Z"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 156.0709090909091 47.3 C 156.0709090909091 43.82060576 158.9493108130909 41 162.5 41 C 166.0506891869091 41 168.92909090909092 43.82060576 168.92909090909092 47.3 C 168.92909090909092 50.779394239999995 166.0506891869091 53.6 162.5 53.6 C 158.9493108130909 53.6 156.0709090909091 50.779394239999995 156.0709090909091 47.3 Z" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 162.5 53.6 L 162.5 66.4" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 155.6927272727273 58.4 L 169.30727272727273 58.4" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 162.5 66.4 L 153.04545454545456 79" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 162.5 66.4 L 171.95454545454547 79" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="bold" text-decoration="none" x="142" y="99.5">: Client</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 163.5 105 L 163.5 668" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 163 124 L 350 124" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 339.83732514237585 128.209517756016 L 350 124 L 339.83732514237585 119.79048224398402" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="218" y="121">1 : usrn,pass</text></g></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="350" y="124" width="13" height="476"></rect></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 350 124 L 363 124 L 363 600 L 350 600 L 350 124 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 363 140 L 597 140" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="#000000" stroke="none" d="M 586.8373251423759 144.209517756016 L 597 140 L 586.8373251423758 135.790482243984"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 586.8373251423759 144.209517756016 L 597 140 L 586.8373251423758 135.790482243984 L 586.8373251423759 144.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="387" y="112">2 : checkCredentials(usrn,pass)</text></g></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="597" y="140" width="13" height="248"></rect></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#a00000" d="M 597 140 L 610 140 L 610 388 L 597 388 L 597 140 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 610 160 L 823 160" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="#000000" stroke="none" d="M 812.8373251423759 164.209517756016 L 823 160 L 812.8373251423758 155.790482243984"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 812.8373251423759 164.209517756016 L 823 160 L 812.8373251423758 155.790482243984 L 812.8373251423759 164.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="641" y="157">3 : getAccount(usrn,pass)</text></g></g><g transform="translate(-98,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="823" y="160" width="13" height="48"></rect></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#a00000" d="M 823 160 L 836 160 L 836 208 L 823 208 L 823 160 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 823 180 L 610 180" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 620.1626748576241 175.790482243984 L 610 180 L 620.1626748576241 184.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="667" y="197">4 : &lt;ac0,...,acn&gt;</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 544 196 L 944 196 L 944 428 L 544 428 L 544 196" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="#ffffff" stroke="none" d="M 544 196 L 544 218 L 574 218 L 585 207 L 585 196 L 544 196"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 544 196 L 544 218 L 574 218 L 585 207 L 585 196 L 544 196 L 544 196" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="bold" text-decoration="none" x="549" y="213.5">alt</text></g></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="563.5" y="246.5">[n&lt;0]</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 544 317 L 944 317" stroke-miterlimit="10" stroke-dasharray="10,3"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="563.5" y="344.5">[else]</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 597 216 L 363 216" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 373.16267485762415 211.790482243984 L 363 216 L 373.16267485762415 220.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="460" y="233">5 : null</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 597 368 L 363 368" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 373.16267485762415 363.790482243984 L 363 368 L 373.16267485762415 372.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="459" y="385">6 : ac0</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 208 324 L 524 324 L 524 644 L 208 644 L 208 324" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="#ffffff" stroke="none" d="M 208 324 L 208 346 L 238 346 L 249 335 L 249 324 L 208 324"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 208 324 L 208 346 L 238 346 L 249 335 L 249 324 L 208 324 L 208 324" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="bold" text-decoration="none" x="213" y="341.5">alt</text></g></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="227.5" y="374.5">[ac0.getOwner()!=null]</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 208 501 L 524 501" stroke-miterlimit="10" stroke-dasharray="10,3"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="227.5" y="528.5">[else]</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 350 393 L 163 393" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 173.16267485762415 388.790482243984 L 163 393 L 173.16267485762415 397.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="236" y="410">7 : OK</text></g></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 350 578 L 163 578" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-98,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 173.16267485762415 573.790482243984 L 163 578 L 173.16267485762415 582.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-98,-30) scale(1,1)"><g><path fill="none" stroke="none"></path><text fill="#000000" stroke="none" font-family="Arial" font-size="13px" font-style="normal" font-weight="normal" text-decoration="none" x="235" y="595">8 : !OK</text></g></g></g></svg>