Use set-based interface for NodesStatsRequest (#53637) #54141
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NodesStatsRequest uses a set of strings internally to track which metrics have been requested. This commit adjusts the class's public API to provide general methods for adding and removing submetric strings. It removes the old hardcoded boolean getters and setters.
williamrandolph
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Pinging @elastic/es-core-infra (:Core/Infra/Plugins) |
williamrandolph
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backport/7.x/nodes-stats-request-interface-refactor
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This PR refactors the NodesStatsRequest object towards pluggability. It has the same basic structure as a similar refactor of the NodesInfoRequest object.
Now that the
NodesStatsRequestclass uses a set of strings for its internal serialization, we need to update the class's interface so that we no longer use hard-coded getters and setters, but rather methods that add strings directly. For example, the old way of adding "os" metrics to a request would be to callrequest.os(true). The new way of doing this is to callrequest.addMetric("os").For the time being, the canonical list of metrics is an enum in
NodesStatsRequest. This will eventually be replaced with something pluggable.Note that the
NodesStatsRequestBuilderclass also needs to be refactored, but I'm leaving that for a later PR in order to keep the diff manageable.