neo4j-timetree | REST APIs for working with time-representing tree | Graph Database library
kandi X-RAY | neo4j-timetree Summary
kandi X-RAY | neo4j-timetree Summary
GraphAware Neo4j TimeTree - RETIRED.
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Top functions reviewed by kandi - BETA
- Range of time intervals
- Returns all nodes within the given time interval
- Gets instances with custom time subtrees with a custom root node
- Gets the nodes that match the given start and end time interval
- range of events
- Gets all events associated with the given start and end time
- Retrieves a list of events for a specific custom node
- Gets all events attached to the given parent
- Executes a single time
- Find a child node with the given value
- Create the first child of a parent node
- Locate a child node with the given value
- Attach event
- Attach a custom event with a custom node
- Attaches a timed event
- Creates a time tree relationship if necessary
- Creates a time - tree relationship between the given node and a time
- Merges a timestamp with the given params
- Returns a hashCode of this object
- Generates a now instant
- Retrieve a single event
- Returns true if the specified configuration matches the specified values
- Bootstraps the runtime configuration
neo4j-timetree Key Features
neo4j-timetree Examples and Code Snippets
Community Discussions
Trending Discussions on neo4j-timetree
QUESTION
https://github.com/graphaware/neo4j-timetree https://graphaware.com/neo4j/2014/08/20/graphaware-neo4j-timetree.html
The above link says that time is in long format YYYYMMDDHHmmss. But the time parameter doesn't make any sense and random nodes are getting generated in neo4j. enter image description here
What does the time parameter hold and what is the meaning of it?
...ANSWER
Answered 2019-Mar-19 at 00:23The time parameter is a millisecond timestamp, or milliseconds elapsed since the UNIX epoch, which is an extremely common means of storing time-related data, you can find this in use in nearly every digital system.
The timestamp cited here represents "2016-05-19 12:06:07". The timetree built starts from a root (this is a modeling convenience), and then its child is the year (2016) followed by the month (5), then the date of the month (19). Looks like it didn't automatically create any nodes for time resolutions beyond that.
Keep in mind that now that Neo4j has native temporal values that you can use in Cypher and store as properties (as well as index), time trees are going to be less useful, as you can always do index lookups on indexed temporal properties.
There are still some cases where time trees can still be very useful, however, such as when you're searching for events that happened within some unit of time that disregards its parent units...such as finding events that happened on Mondays regardless of month, or on Januaries regardless of year, and so forth.
QUESTION
I'm writing some unit tests and want to use TimeTree along with Spring repositories, to auto attach event nodes to a time tree. Something like this issue, but I'm using boot 2.0 and SDN5. I think my main issue is I don't know how to set up the configuration so my repositories and my TimeTree use the same GraphDatabaseService. My @Confuration is like this:
...ANSWER
Answered 2017-Oct-13 at 13:58It is because the configuration class redefines some beans already automatically configured by Spring boot (here the Session
).
So spring injection does not know how to choose between the 2.
Removing the getSession()
should help.
A second thing is that your SessionFactory
has to use the embedded DB setup in the graphDatabaseService()
method. For this, configure an embedded driver with the existing database.
Summary config that should work fine for you :
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install neo4j-timetree
You can use neo4j-timetree like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the neo4j-timetree component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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