RFR: 6542: Improve calls to render in the flame view [v17]

[Marcus Hirt]

On Wed, 16 Sep 2020 18:00:37 GMT, Miroslav Wengner <mwengner at openjdk.org> wrote:

>> stable flameview generation
>
> Miroslav Wengner has updated the pull request incrementally with one additional commit since the last revision:
> 
>   6542: checkstyle

application/org.openjdk.jmc.flightrecorder.flameview/src/main/java/org/openjdk/jmc/flightrecorder/flameview/tree/TraceNode.java
line 45:

> 43: 	private final String packageName;
> 44: 	private final List<TraceNode> children = new ArrayList<>();
> 45: 	private boolean valid = true;

This is a weird abstraction. Is this really necessary?

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PR: https://git.openjdk.java.net/jmc/pull/78