Operations: How to Check if an Index has Changed
IndexHasChangedOperation will let you check if the given index definition differs from the one on a server. This might be useful when you want to check the prior index deployment, if the index will be overwritten, and if indexing data will be lost.
Syntax
public IndexHasChangedOperation(IndexDefinition definition)
| Parameters |
|
|
| indexDef |
IndexDefinition |
index definition |
| Return Value |
|
| true |
if an index does not exist on a server |
| true |
if an index definition does not match the one from the indexDef parameter |
| false |
if there are no differences between an index definition on the server and the one from the indexDef parameter |
Example
Boolean ordersIndexHasChanged =
store.maintenance().send(new IndexHasChangedOperation(ordersIndexDefinition));
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