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Code Block
languagejs
titleExample Edge Rule
collapsetrue
{
“from”: “tenant”,
“to”: “vserver”,
“label”: “owns”,
“direction”: “OUT”,
“multiplicity”: “One2Many”,
“contains-other-v”: “${direction}”,
“delete-other-v”: “NONE”,
“SVC-INFRA”: “!${direction}”,
“prevent-delete”: “${direction}”
}

General Applicability

  • EdgeRules only apply to "relationship-list" relations in the schema, since the referenced object could be anything
  • EdgeRules do no apply to sub-component relations in the schema, since this is implicit and hard-coded behaviour


FieldValuesNotes
from

(literal string as entered in EdgeRule file)


Note that the "from|to" pair is normalised in the code according to alphabetical order, so that "cousin pairs" with the "to|from" ordering in the EdgeRule are also grouped together, e.g.

  • from "l-interface" to "logical-link" → "l-interface|logical-link"
  • from "logical-link" to "l-interface" → "l-interface|logical-link"

Also note that the hyphens "-" are removed from the names before comparison, so the following would be equivalent:

  • l-interface
  • linter-face
to

(literal string as entered in EdgeRule file)


Note that the "from|to" pair is normalised in the code according to alphabetical order, so that "cousin pairs" with the "to|from" ordering in the EdgeRule are also grouped together, e.g.

  • from "l-interface" to "logical-link" → "l-interface|logical-link"
  • from "logical-link" to "l-interface" → "l-interface|logical-link"

Also note that the hyphens "-" are removed from the names before comparison, so the following would be equivalent:

  • l-interface
  • linter-face
label

(literal string as entered in EdgeRule file)


By convention, appears to be one of:

  • isA

  • org.onap.relationships.inventory.AppliesTo

  • org.onap.relationships.inventory.BelongsTo

  • org.onap.relationships.inventory.BridgedTo

  • org.onap.relationships.inventory.ComposedOf

  • org.onap.relationships.inventory.DependsOn

  • org.onap.relationships.inventory.Destination

  • org.onap.relationships.inventory.ForwardsTo

  • org.onap.relationships.inventory.IsA

  • org.onap.relationships.inventory.LocatedIn

  • org.onap.relationships.inventory.MemberOf

  • org.onap.relationships.inventory.network.MemberOf

  • org.onap.relationships.inventory.PartOf

  • org.onap.relationships.inventory.Source

  • org.onap.relationships.inventory.Targets

  • org.onap.relationships.inventory.Uses

  • startsWith

  • tosca.relationships.AttachesTo

  • tosca.relationships.HostedOn

  • tosca.relationships.network.BindsTo

  • tosca.relationships.network.LinksTo

direction
  • IN
  • OUT
  • NONE (default value used when Tinkerpop Direction is null)
  • BOTH (default value used when string is unrecognised)

Based on and extended from https://tinkerpop.apache.org/javadocs/3.3.2/core/org/apache/tinkerpop/gremlin/structure/Direction.html

Comparison is case-sensitive

multiplicity
  • Many2Many
  • One2Many
  • One2One
  • Many2One (default value used when string is unrecognised)
Comparison ignores case
contains-other-v
  • IN
  • OUT
  • BOTH
  • NONE
  • ${direction}
  • !${direction}

This is an "edge property" that applies for specific traversal directions.

Comparison is case-sensitive

Note that "opposite" means:

  • IN → OUT
  • OUT → IN
  • BOTH → BOTH
  • NONE → BOTH


delete-other-v
  • IN
  • OUT
  • BOTH
  • NONE
  • ${direction}
  • !${direction}

This is an "edge property" that applies for specific traversal directions.

Comparison is case-sensitive

Note that "opposite" means:

  • IN → OUT
  • OUT → IN
  • BOTH → BOTH
  • NONE → BOTH
SVC-INFRA
  • IN
  • OUT
  • BOTH
  • NONE
  • ${direction}
  • !${direction}

This is an "edge property" that applies for specific traversal directions.

Comparison is case-sensitive

Note that "opposite" means:

  • IN → OUT
  • OUT → IN
  • BOTH → BOTH
  • NONE → BOTH
prevent-delete
  • IN
  • OUT
  • BOTH
  • NONE
  • ${direction}
  • !${direction}

This is an "edge property" that applies for specific traversal directions.

Comparison is case-sensitive

Note that "opposite" means:

  • IN → OUT
  • OUT → IN
  • BOTH → BOTH
  • NONE → BOTH
default
  • true
  • false (default value used when string is unrecognised)


Based on https://docs.oracle.com/javase/7/docs/api/java/lang/Boolean.html#valueOf(java.lang.String)

Comparison ignores case

description

(literal string as entered in EdgeRule file)


Optional for backwards compatibility with v12 and earlier (default value is empty string)


Questions

  1. Is there a way to find/remove the unused/redundant EdgeRules from the json file?