В следующем запросе (который я изменил по сравнению с тем, который я нашел в сети). Я использую APOC для создания 14 узлов и 12 ребер (соединяющих каждый из узлов в две строки). Т.е. если вы возьмете 14 узлов и поместите их в два столбца по 7 элементов в каждом, вам понадобится всего 6 строк, чтобы соединить их вместе.
В любом случае, код использует APOC для чтения файла JSON и создает узлы точно так, как ожидалось. Но я получаю 79 граней. Должно быть что-то в САЙФЕРЕ или UNWIND я не понимаю.
Вы можете ясно видеть, что в файле JSON у меня только 12 объектов в массиве каналов.
CALL apoc.load.json("file:///G:/wwwroot/DataFlow/graph.json") YIELD value AS row
WITH row, row.graph.nodes AS nodes
UNWIND nodes AS node
CALL apoc.create.node(node.labels, node.properties) YIELD node AS n
WITH row
UNWIND row.graph.pipes AS rel
MATCH (a) WHERE a.key = rel.start
MATCH (b) WHERE b.key = rel.end
CALL apoc.create.relationship(a, rel.type, rel.properties, b) YIELD rel AS r
RETURN *
{
"graph" : {
"nodes" : [{
"id" : "HW.SCIM",
"labels" : [
"Actor"
],
"properties" : {
"key" : "HW.SCIM",
"partition" : "Hardware",
"CSC" : "HW",
"name" : "SCIM",
"rate" : 10,
"caption" : "SCIM"
}
}, {
"id" : "HW.GPS",
"labels" : [
"Actor"
],
"properties" : {
"key" : "HW.GPS",
"partition" : "Hardware",
"CSC" : "HW",
"name" : "GPS",
"rate" : 50,
"caption" : "GPS"
}
}, {
"id" : "HW.SCIM-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "HW.SCIM-Channel",
"wordLength" : 300,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "HW.GPS-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "HW.GPS-Channel",
"wordLength" : 200,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "Platform.SCIM",
"labels" : [
"Actor"
],
"properties" : {
"key" : "Platform.SCIM",
"partition" : "Platform",
"CSC" : "Platform",
"name" : "SCIM",
"rate" : 10,
"caption" : "Platform SCIM"
}
}, {
"id" : "Platform.GPS",
"labels" : [
"Actor"
],
"properties" : {
"key" : "Platform.GPS",
"partition" : "Platform",
"CSC" : "Platform",
"name" : "GPS",
"rate" : 50,
"caption" : "Platform GPS"
}
}, {
"id" : "Platform.SCIM-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "Platform.SCIM-Channel",
"wordLength" : 300,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "Platform.GPS-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "Platform.GPS-Channel",
"wordLength" : 200,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "ALFSW.SCIM",
"labels" : [
"Actor"
],
"properties" : {
"key" : "ALFSW.SCIM",
"partition" : "Application",
"CSC" : "Application",
"name" : "SCIM",
"rate" : 10,
"caption" : "App SCIM"
}
}, {
"id" : "ALFSW.GPS",
"labels" : [
"Actor"
],
"properties" : {
"key" : "ALFSW.GPS",
"partition" : "Application",
"CSC" : "Application",
"name" : "GPS",
"rate" : 50,
"caption" : "App GPS"
}
}, {
"id" : "ALFSW.SCIM-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "ALFSW.SCIM-Channel",
"wordLength" : 300,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "ALFSW.GPS-Channel",
"labels" : [
"Channel"
],
"properties" : {
"key" : "ALFSW.GPS-Channel",
"wordLength" : 200,
"channelType" : "Partition",
"timeStamp" : "",
"writer" : ""
}
}, {
"id" : "GNC.SCIM",
"labels" : [
"Actor"
],
"properties" : {
"key" : "GNC.SCIM",
"partition" : "GNC",
"CSC" : "MediumRate",
"name" : "SCIM",
"rate" : 10,
"caption" : "GNC Medium Rate"
}
}, {
"id" : "GNC.GPS",
"labels" : [
"Actor"
],
"properties" : {
"key" : "GNC.GPS",
"partition" : "GNC",
"CSC" : "HighRate",
"name" : "GPS",
"rate" : 50,
"caption" : "GNC High Rate"
}
}
],
"pipes" : [{
"type" : "Pipe",
"start" : "HW.SCIM",
"end" : "HW.SCIM-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "HW.GPS",
"end" : "HW.GPS-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "Platform.SCIM",
"end" : "HW.SCIM-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "Platform.GPS",
"end" : "HW.GPS-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "Platform.SCIM",
"end" : "Platform.SCIM-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "Platform.GPS",
"end" : "Platform.GPS-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "ALFSW.SCIM",
"end" : "Platform.SCIM-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "ALFSW.GPS",
"end" : "Platform.GPS-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "ALFSW.SCIM",
"end" : "ALFSW.SCIM-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "ALFSW.GPS",
"end" : "ALFSW.GPS-Channel",
"properties" : {
"flow" : "OUT"
}
}, {
"type" : "Pipe",
"start" : "GNC.SCIM",
"end" : "ALFSW.SCIM-Channel",
"properties" : {
"flow" : "IN"
}
}, {
"type" : "Pipe",
"start" : "GNC.GPS",
"end" : "ALFSW.GPS-Channel",
"properties" : {
"flow" : "IN"
}
}
]
}
}