Add a comment for a special case to this netty version
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@ -147,6 +147,9 @@ public class NettyChannelPipelineInstrumentation extends Instrumenter.Default {
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public static int checkDepth(
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@Advice.This final ChannelPipeline pipeline,
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@Advice.Argument(1) final ChannelHandler handler) {
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// Pipelines are created once as a factory and then copied multiple times using the same add
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// methods as we are hooking. If our handler has already been added we need to remove it so we
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// don't end up with duplicates (this throws an exception)
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if (pipeline.get(handler.getClass().getName()) != null) {
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pipeline.remove(handler.getClass().getName());
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}
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@ -174,6 +177,9 @@ public class NettyChannelPipelineInstrumentation extends Instrumenter.Default {
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public static int checkDepth(
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@Advice.This final ChannelPipeline pipeline,
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@Advice.Argument(2) final ChannelHandler handler) {
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// Pipelines are created once as a factory and then copied multiple times using the same add
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// methods as we are hooking. If our handler has already been added we need to remove it so we
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// don't end up with duplicates (this throws an exception)
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if (pipeline.get(handler.getClass().getName()) != null) {
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pipeline.remove(handler.getClass().getName());
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}
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