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To help prevent multiple users from modifying a given Polaris object at the same time, there is a system of object locking in place as part of the Polaris API platform.
Some API calls will handle checking/setting of locks as part of normal processing. For example, if an API call is made to update a patron and that patron object is already locked by another user, the API will return the appropriate HTTP status (409) indicating the object is already locked.
There are also a set of API calls that a calling application can use to explicitly lock and unlock specific objects. There are four required parameters:
| ID | Description |
|---|---|
| 1 | Authority Record |
| 2 | Bibliographic Record |
| 3 | Item Record |
| 4 | Authority Template |
| 5 | Bibliographic Template |
| 6 | Item Template |
| 7 | Record Set |
| 8 | Polaris User |
| 9 | Organization |
| 10 | Library |
| 11 | Branch |
| 12 | Collection |
| 13 | Contact Person |
| 14 | Claim |
| 15 | Invoice |
| 16 | Invoice Line Item |
| 17 | Fiscal Year |
| 18 | Fund |
| 19 | Purchase Order |
| 20 | Purchase Order Line Item |
| 21 | Selection List |
| 22 | Selection List Line Item |
| 24 | Serial Holdings Record |
| 25 | Serial Issue |
| 26 | Supplier Record |
| 27 | Patron |
| 28 | Hold Request |
| 29 | Reserve Course |
| 30 | ILL Request |
| 31 | Check Out |
| 32 | Patron Address |
| 33 | Credit Card |
| 34 | Payment History |
| 35 | Transaction History |
| 36 | Serial Check-In |
| 37 | Claim Serial |
| 38 | Receiving |
| 39 | Workstation |
| 40 | Server |
| 41 | System |
| 42 | Admin Explorer |
| 43 | Standing Order Part |
| 44 | Patron Status |
| 45 | Claim Alert List |
| 46 | Request To Fill |
| 47 | Patron Claim |
| 48 | Patron Fee |
| 49 | Purchase Order Templates |
| 50 | Serial Holdings Record (Standing Order) |
| 51 | Serial Holdings Record (Subscription) |
| 52 | Browse Headings |
| 53 | Database |
| 54 | Multiple Servers |
| 55 | Purchase Order Line Item Segment |
| 56 | Invoice Line Item Segment |
| 57 | Selection List Line Item Segment |
| 58 | Route List |
| 59 | Lost Item |
| 60 | Subscription |
| 61 | Subscription List |
| 62 | Groups |
| 63 | Polaris Export |
| 64 | Permission |
| 65 | Publication Pattern |
| 67 | Purge Criteria |
| 68 | Reserve Item Template |
| 69 | Reserve Item Record |
| 70 | Reserve Course Template |
| 71 | Import Profile |
| 72 | Bibliographic Bulk Change Job |
| 73 | Authority Bulk Change Job |
| 74 | Authority Create Links Job |
| 75 | Authority Update Links Job |
| 76 | Quick-circ Item |
| 77 | ILS Store Order |
| 78 | Media Resource Record |
| 79 | Item Record History |
| 80 | Import Job |
| 81 | Community Record |
| 82 | Browse Headings (CI) |
| 83 | Promotions |
| 84 | Event Record |
| 85 | EDI ASN |
| 86 | Resource Group |
| 87 | Vendor |
| 88 | Vendor Account |
| 89 | Resource Entity |
| 90 | Event Import Profile |