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# ASYNCHRONOUS MODE
Gizmo has two modes, a Synchoronous (sync) mode and an Asynchronous (async) mode.
In the Async mode, Gizmo uses the consumer/producer model where when a
client makes a request, Gizmo will generate an event payload and
publish it on the async event stream. It will then wait for a
response for that particular event on a different event stream. Once it recieves a
response, gizmo will send a response back to the client which made the
original request.
## Here are a few examples of the events published by Gizmo
### Vertex
#### Adding a Vertex
{
"timestamp": 1514927928167,
"operation": "CREATE",
"vertex": {
"properties": {
"ipv4-oam-address": "1.2.3.4",
"resource-version": "1477013499",
"purpose": "my-purpose",
"fqdn": "myhost.onap.net",
"in-maint": false,
"equip-model": "DL380p-nd",
"equip-vendor": "HP",
"equip-type": "server",
"hostname": "myhost",
"ptnii-equip-name": "e-name"
},
"key": "",
"type": "pserver",
"schema-version": "vX"
},
"transaction-id": "c0a81fa7-5ef4-49cd-ab39-e42c53c9b9a4",
"database-transaction-id": "b3e2853e-f643-47a3-a0c3-cb54cc997ad3"
}
#### Updating a Vertex
{
"timestamp": 1514929776429,
"operation": "UPDATE",
"vertex": {
"properties": {
"ipv4-oam-address": "1.2.3.4",
"resource-version": "1477013499",
"purpose": "my-purpose",
"fqdn": "updated.myhost.onap.net",
"in-maint": false,
"equip-model": "DELL380p-nd",
"equip-vendor": "DELL",
"equip-type": "updated-server",
"hostname": "updated-myhost",
"ptnii-equip-name": "name-has-been-updated"
},
"key": "84bf7b3f-81f5-4c34-ab5c-207281cb71bd",
"type": "pserver",
"schema-version": "vX"
},
"transaction-id": "3b8df1d5-4c51-47e3-bbef-c27b47e11149",
"database-transaction-id": "b3e2853e-f643-47a3-a0c3-cb54cc997ad3"
}
#### Deleting a Vertex
{
"timestamp": 1514930052327,
"operation": "DELETE",
"vertex": {
"key": "84bf7b3f-81f5-4c34-ab5c-207281cb71bd",
"type": "pserver",
"schema-version": "vX"
},
"transaction-id": "6bb7a27b-a942-4cac-9b2b-0fa1f3897b8c",
"database-transaction-id": "b3e2853e-f643-47a3-a0c3-cb54cc997ad3"
}
#### Adding an Edge
{
"timestamp": 1515005153863,
"operation": "CREATE",
"edge": {
"target": {
"key": "febd8996-62ec-4ce6-ba8e-d2fa1609e13b",
"type": "pserver"
},
"properties": {
"contains-other-v": "NONE",
"delete-other-v": "NONE",
"prevent-delete": "IN",
"SVC-INFRA": "OUT"
},
"key": "",
"type": "tosca.relationships.HostedOn",
"schema-version": "v11",
"source": {
"key": "7beade35-19f1-4c1d-a1bd-bfba59e0b582",
"type": "vserver"
}
},
"transaction-id": "63a8994d-1118-4e65-ab06-fff40f6f48ef",
"database-transaction-id": "b3e2853e-f643-47a3-a0c3-cb54cc997ad3"
}
#### Replace an Edge
{
"timestamp": 1515005301622,
"operation": "UPDATE",
"edge": {
"target": {
"key": "febd8996-62ec-4ce6-ba8e-d2fa1609e13b",
"type": "pserver"
},
"properties": {
"contains-other-v": "NOPE",
"delete-other-v": "YES",
"prevent-delete": "MAYBE",
"SVC-INFRA": "OUT"
},
"key": "9727a0ea-559e-497c-98e4-0cbdaede0346",
"type": "tosca.relationships.HostedOn",
"schema-version": "v11",
"source": {
"key": "7beade35-19f1-4c1d-a1bd-bfba59e0b582",
"type": "vserver"
}
},
"transaction-id": "ed284991-6c2f-4c94-a592-76fed17a2f14",
"database-transaction-id": "b3e2853e-f643-47a3-a0c3-cb54cc997ad3"
}
#### Deleting an Edge
{
"timestamp": 1515005579837,
"operation": "DELETE",
"edge": {
"key": "9727a0ea-559e-497c-98e4-0cbdaede0346",
"type": "tosca.relationships.HostedOn",
"schema-version": "v11"
},
"transaction-id": "b4583bc9-dd96-483f-ab2d-20c1c6e5622f",
"database-transaction-id": "b3e2853e-f643-47a3-a0c3-cb54cc997ad3"
}
|
