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Migration Get Assistance

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Migration Get Assistance

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Index Upgrade Info Request

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An IndexUpgradeInfoRequest does not require any argument:

IndexUpgradeInfoRequest request = new IndexUpgradeInfoRequest();

Create a new request instance

Optional arguments

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The following arguments can optionally be provided:

request.indices("index1", "index2");

Set the indices to the request

request.indicesOptions(IndicesOptions.lenientExpandOpen());

Set the IndicesOptions to control how unavailable indices are resolved and how wildcard expressions are expanded

Execution

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IndexUpgradeInfoResponse response = client.migration().getAssistance(request, RequestOptions.DEFAULT);

Response

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The returned IndexUpgradeInfoResponse contains the actions required for each index.

Map<String, UpgradeActionRequired> actions = response.getActions();
for (Map.Entry<String, UpgradeActionRequired> entry : actions.entrySet()) {
    String index = entry.getKey(); 
    UpgradeActionRequired actionRequired = entry.getValue(); 
}

	Retrieve the index
	Retrieve the action required for the migration of the current index

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