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• 0.0.2
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• Sampling.java

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com.yammer.telemetry.tracing.Sampling Maven / Gradle / Ivy

package com.yammer.telemetry.tracing;

public abstract class Sampling {
    public static final Sampling ON = new SamplingOn();
    public static final Sampling OFF = new SamplingOff();

    public abstract boolean trace();

    public static Sampling valueOf(String samplerName) {
        if ("off".equalsIgnoreCase(samplerName)) return OFF;
        if ("on".equalsIgnoreCase(samplerName)) return ON;
        return null;
    }

    private static class SamplingOff extends Sampling {
        @Override
        public boolean trace() {
            return false;
        }
    }

    private static class SamplingOn extends Sampling {
        @Override
        public boolean trace() {
            return true;
        }
    }
}