function checkAddNode($pid, $isConnector, $link1, $link2, $link3)
{
$count = getCountByPid($pid);
if ($count >= 6) {
return "Pattern is full";
}
if ($isConnector == 1) {
if (getConnectorByPid($pid) != null) {
return "already exist a connector in this pattern";
}
} elseif ($isConnector == 0) {
if (getConnectorByPid($pid) == null) {
return "This pattern do not exist,please create a connector for it";
}
if ($link1 == null && $link2 == null && $link3 == null) {
return "A normal node must need to connect to the other node(s)";
}
}
if (getLinkCountByNid($link1) >= 3) {
return "Can not connect to Node" . $link1 . " because it has already connected with three nodes";
}
if (getLinkCountByNid($link2) >= 3) {
return "Can not connect to Node" . $link2 . " because it has already connected with three nodes";
}
if (getLinkCountByNid($link3) >= 3) {
return "Can not connect to Node" . $link3 . " because it has already connected with three nodes";
}
return "true";
}
insertLink($from, $value);
}
// else {
// $result = "Link already exists";
// }
// }
// if ($receiver == 0 && $linkCount == 3) {
// echo "111";
// $result = "failure";
// }
}
}
$count = getLinkCountByNid($from);
if ($connector == 0 && $count < 3) {
foreach ($to as $key => $value) {
$linkCount = getLinkCountByNid($value);
$receiver = getNodeConnector($value);
if ($receiver != 0) {
if (linkExists($from, $value) == 0) {
insertLink($from, $value);
} else {
$result = "Link already exists";
}
}
if ($receiver == 0 && $linkCount < 3) {
if (linkExists($from, $value) == 0) {
insertLink($from, $value);
} else {
$result = "Link already exists";
}
}
$flag = false;
}
foreach ($nodes0 as $key => $value) {
if (getNodeByNid($value)['isConnector'] == 1) {
$links = getLinksArrayByNid($value);
foreach ($links as $key1 => $value1) {
if (getNodeByNid($value1)['isConnector'] == 1 || getNodeByNid($value1)['isConnector'] == 2) {
unset($links[$key1]);
}
}
if (count($links) >= 3) {
echo "Can not connect to Node" . $value . " because it is already connected with three nodes\n";
$flag = false;
break;
}
} else {
if (getLinkCountByNid($value) >= 3) {
echo "Can not connect to Node" . $value . " because it is already connected with three nodes\n";
$flag = false;
break;
}
}
}
if ($flag) {
foreach ($nodes0 as $key => $value) {
insertLink($nid, $value);
}
insertNode($nid, 0, $pid, $pName, $nName, "yes", $did);
echo "success";
}
}
