<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1235" height="480"><defs></defs><g><g transform="translate(-58,-30) scale(1,1)"><rect fill="#C0C0C0" stroke="none" x="247" y="47" width="115" height="39" opacity="0.2"></rect></g><g transform="translate(-58,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="240" y="40" width="115" height="39"></rect></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 240 40 L 355 40 L 355 79 L 240 79 L 240 40 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="254" y="59.5">CreateOfferGUI</text></g></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 298.5 80 L 298.5 414" stroke-miterlimit="10" 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fill="none" stroke="#000000" d="M 125 66.4 L 115.54545454545455 79" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 125 66.4 L 134.45454545454547 79" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="102.5" y="99.5">: Owner</text></g></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 126.5 105 L 126.5 154" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-58,-30) scale(1,1)"><rect fill="#C0C0C0" stroke="none" x="1011" y="47" width="113" height="39" opacity="0.2"></rect></g><g transform="translate(-58,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="1004" y="40" width="113" height="39"></rect></g><g transform="translate(-58,-30) 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text-decoration="none" x="129" y="125">1 : rh,firstDay,lastDay,price</text></g></g><g transform="translate(-58,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="291" y="128" width="13" height="28"></rect></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 291 128 L 304 128 L 304 156 L 291 156 L 291 128 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 298 168 L 538 168" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="#000000" stroke="none" d="M 527.8373251423759 172.209517756016 L 538 168 L 527.8373251423758 163.790482243984"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 527.8373251423759 172.209517756016 L 538 168 L 527.8373251423758 163.790482243984 L 527.8373251423759 172.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="308" y="167">2 : createOffer(rh,firstDay,lastDay,price)</text></g></g><g transform="translate(-58,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="538" y="168" width="13" height="224"></rect></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#700000" d="M 538 168 L 551 168 L 551 392 L 538 392 L 538 168 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 551 180 L 895 180" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="#000000" stroke="none" d="M 884.8373251423759 184.209517756016 L 895 180 L 884.8373251423758 175.790482243984"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 884.8373251423759 184.209517756016 L 895 180 L 884.8373251423758 175.790482243984 L 884.8373251423759 184.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="568" y="177">3 : exists = existOverflappingOffer(rh,firstDay,lastDay)</text></g></g><g transform="translate(-58,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="895" y="180" width="13" height="28"></rect></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#700000" d="M 895 180 L 908 180 L 908 208 L 895 208 L 895 180 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 551 228 L 895 228" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="#000000" stroke="none" d="M 884.8373251423759 232.209517756016 L 895 228 L 884.8373251423758 223.790482243984"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 884.8373251423759 232.209517756016 L 895 228 L 884.8373251423758 223.790482243984 L 884.8373251423759 232.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="604" y="224">4 : createOffer(rh,firstDay,lastDay,price)</text></g></g><g transform="translate(-58,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="895" y="228" width="13" height="68"></rect></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#700000" d="M 895 228 L 908 228 L 908 296 L 895 296 L 895 228 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 480 136 L 1228 136 L 1228 500 L 480 500 L 480 136" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="#ffffff" stroke="none" d="M 480 136 L 480 158 L 517 158 L 528 147 L 528 136 L 480 136"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 480 136 L 480 158 L 517 158 L 528 147 L 528 136 L 480 136 L 480 136" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="505" y="153.5">1</text></g></g><g transform="translate(-58,-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="485" y="153.5">alt</text></g></g><g transform="translate(-58,-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="499.5" y="186.5">[exists]</text></g></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 480 305 L 1228 305" stroke-miterlimit="10" stroke-dasharray="10,3"></path></g><g transform="translate(-58,-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="499.5" y="332.5">[else]</text></g></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 551 244 L 1199 244" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="#000000" stroke="none" d="M 1188.837325142376 248.209517756016 L 1199 244 L 1188.837325142376 239.790482243984"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 1188.837325142376 248.209517756016 L 1199 244 L 1188.837325142376 239.790482243984 L 1188.837325142376 248.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="766" y="241">5 : createOffer(startDay,endDay,price)</text></g></g><g transform="translate(-58,-30) scale(1,1)"><rect fill="#ffffff" stroke="none" x="1199" y="244" width="13" height="28"></rect></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 1199 244 L 1212 244 L 1212 272 L 1199 272 L 1199 244 Z Z" stroke-miterlimit="10"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 895 260 L 551 260" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 561.1626748576241 255.790482243984 L 551 260 L 561.1626748576241 264.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="699" y="277">6 : Offer</text></g></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 538 308 L 298 308" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 308.16267485762415 303.790482243984 L 298 308 L 308.16267485762415 312.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="394" y="325">7 : Offer</text></g></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 538 384 L 298 384" stroke-miterlimit="10" stroke-dasharray="3"></path></g><g transform="translate(-58,-30) scale(1,1)"><path fill="none" stroke="#000000" d="M 308.16267485762415 379.790482243984 L 298 384 L 308.16267485762415 388.209517756016" stroke-miterlimit="10"></path></g><g transform="translate(-58,-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="398" y="401">8 : null</text></g></g></g></svg>