Transaction Cache Data Model
Collection List
TransactionCacheEntry
Stores any caching entries that have been saved via the PersistentTransactionCacheService. For more information on transaction caching please see Transaction Caching.
Collection Overview
TransactionCacheEntry
Fields
Below are the fields for the transactionCacheEntry collection:
| Field | Description | Example |
|---|---|---|
_id |
PK - Autogenerated by MongoDB |
63e0d35dcbd3c015141aad53 |
messageId |
A unique Id to identity duplicate cache entries, specifically across retries, provided by the implementation. |
6450d813d5f96f0337393091 |
hash |
A MD5 hash generated by the implementation specific extractor function fields. Used for identifying a unique record. |
60c8340cd0c9e74afa3688a00aa15cb6 |
creationDate |
The date the cache record was created. |
2023-05-02T09:29:55.124Z |
type |
The application specific enum type you want to store the cached data against. Used to identity different types of transactions or objects. |
PACS_008 |
content |
An object which contains the actual content you want to store in the cache. |
{"_id" : "a0dc5cd2-9fb8-4e1a-88cf-f836e9b4d02c", "payload" : "Some payload", "_class" : "com.iconsolutions.ipf.test.app.config.TestConfig$InputRequest"} |
Example Record
{
"_id" : "644be8e6639eb650c73d1c9b",
"hash" : "f97b41223f1597f73915f5a1cf2ca1e7",
"creationDate" : "2023-04-28T15:40:22.391Z",
"type" : "TYPE_ONE",
"content" : {
"_id" : "4b8f58d8-b33f-472c-94f0-d263b2115b92",
"payload" : "Test",
"_class" : "com.iconsolutions.ipf.test.test.app.config.TestConfig$InputRequest"
},
"_class" : "com.iconsolutions.ipf.core.platform.txcache.model.TransactionCacheEntry"
}Indexes
Below are the indexes for the transactionCacheEntry collection:
| Index Name | Fields | Description |
|---|---|---|
_id_ |
_id (ascending) |
ObjectId field generated by MongoDB. |
hash_1_type_1 |
hash (ascending) - type (ascending) |
Used when searching records. |
hash_1_type_1_messageId_1 |
hash (ascending) - type (ascending) - messageId (ascending) |
Used when searching for records along with a messageId, for uniqueness. |
type_1_creationDate_-1 |
type (ascending), creationDate (descending) |
Used when purging the transaction cache using the TransactionCachePurgingScheduler |