NodeData is a JSON Structure definition published by Apache Curator, describing 3 properties, of which 1 is required. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.
{
"$schema": "https://json-structure.org/meta/core/v0/#",
"$id": "https://raw.githubusercontent.com/api-evangelist/apache-curator/refs/heads/main/json-structure/apache-curator-node-data-structure.json",
"name": "NodeData",
"description": "Data associated with a ZooKeeper node managed by Apache Curator, including its path, data payload, and stat metadata.",
"type": "object",
"properties": {
"path": {
"type": "string",
"description": "Full ZooKeeper path of this node.",
"example": "/config/app/timeout"
},
"data": {
"type": "string",
"description": "Node data as a Base64-encoded string or UTF-8 text.",
"example": "30000"
},
"stat": {
"type": "object",
"description": "ZooKeeper Stat object with node metadata.",
"properties": {
"czxid": {
"type": "int32",
"description": "Transaction ID that created this node.",
"example": 1000
},
"mzxid": {
"type": "int32",
"description": "Transaction ID of the last modification.",
"example": 1050
},
"ctime": {
"type": "int32",
"description": "Creation time in milliseconds since epoch.",
"example": 1718153645993
},
"mtime": {
"type": "int32",
"description": "Last modification time in milliseconds since epoch.",
"example": 1718160000000
},
"version": {
"type": "int32",
"description": "Number of changes to this node data.",
"example": 2
},
"cversion": {
"type": "int32",
"description": "Number of changes to the children of this node.",
"example": 0
},
"aversion": {
"type": "int32",
"description": "Number of changes to the ACL of this node.",
"example": 0
},
"numChildren": {
"type": "int32",
"description": "Number of child nodes.",
"example": 0
},
"dataLength": {
"type": "int32",
"description": "Length of the data field in bytes.",
"example": 5
},
"ephemeralOwner": {
"type": "int32",
"description": "Session ID of the owner if ephemeral, 0 otherwise.",
"example": 0
}
}
}
},
"required": [
"path"
]
}