49 lines
2.6 KiB
Plaintext
49 lines
2.6 KiB
Plaintext
[[breaking_60_java_changes]]
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=== Java API changes
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==== `setSource` methods require XContentType
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Previously the `setSource` methods and other methods that accepted byte/string representations of
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an object source did not require the XContentType to be specified. The auto-detection of the content
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type is no longer used, so these methods now require the XContentType as an additional argument when
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providing the source in bytes or as a string.
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==== `DeleteByQueryRequest` requires an explicitly set query
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In previous versions of Elasticsearch, delete by query requests without an explicit query
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were accepted, match_all was used as the default query and all documents were deleted
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as a result. From version 6.0.0, a `DeleteByQueryRequest` requires an explicit query be set.
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==== `InternalStats` and `Stats` getCountAsString() method removed
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The `count` value in the stats aggregation represents a doc count that shouldn't require a formatted
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version. This method was deprecated in 5.4 in favour of just using
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`String.valueOf(getCount())` if needed
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==== `ActionRequestBuilder#execute` returns `ActionFuture` rather than `ListenableActionFuture`
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When sending a request through the request builders e.g. client.prepareSearch().execute(), it used to
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be possible to call `addListener` against the returned `ListenableActionFuture`. With this change an
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`ActionFuture` is returned instead, which is consistent with what the `Client` methods return, hence
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it is not possible to associate the future with listeners. The `execute` method that accept a listener
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as an argument can be used instead.
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==== `Terms.Order` and `Histogram.Order` classes replace by `BucketOrder`
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The `terms`, `histogram`, and `date_histogram` aggregation code has been refactored to use common
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code for ordering buckets. The `BucketOrder` class must be used instead of `Terms.Order` and
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`Histogram.Order`. The `static` methods in the `BucketOrder` class must be called instead of directly
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accessing internal order instances, e.g. `BucketOrder.count(boolean)` and `BucketOrder.aggregation(String, boolean)`.
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Use `BucketOrder.key(boolean)` to order the `terms` aggregation buckets by `_term`.
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=== `getTookInMillis()` removed in `BulkResponse`, `SearchResponse` and `TermVectorsResponse`
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In `BulkResponse`, `SearchResponse` and `TermVectorsResponse` `getTookInMiilis()` method
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has been removed in favor of `getTook` method. `getTookInMiilis()` is easily replaced by
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`getTook().getMillis()`.
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=== `GetField` and `SearchHitField` replaced by `DocumentField`
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As `GetField` and `SearchHitField` have the same members, they have been unified into
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`DocumentField`.
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