RandomExecutor.java

package com.intrbiz.bergamot.worker.engine.dummy;

import java.security.SecureRandom;

import com.intrbiz.bergamot.model.message.check.ExecuteCheck;
import com.intrbiz.bergamot.model.message.result.ActiveResultMO;
import com.intrbiz.bergamot.worker.engine.AbstractExecutor;

/**
 * Execute randomised dummy checks, which changes state randomly
 */
public class RandomExecutor extends AbstractExecutor<DummyEngine>
{
    public static final String NAME = "random";
    
    private SecureRandom random = new SecureRandom();

    public RandomExecutor()
    {
        super();
    }
    @Override
    public boolean accept(ExecuteCheck task)
    {
        return DummyEngine.NAME.equals(task.getEngine()) && NAME.equals(task.getExecutor());
    }

    @Override
    public void execute(ExecuteCheck executeCheck)
    {
        // apply a threshold to a random double from 0 - 1
        long start = System.nanoTime();
        this.publishActiveResult(executeCheck, 
                new ActiveResultMO().fromCheck(executeCheck)
                .applyGreaterThanThreshold(
                        this.random.nextDouble(), 
                        executeCheck.getDoubleParameter("warning", 0.7D), 
                        executeCheck.getDoubleParameter("critical", 0.9D), 
                        executeCheck.getParameter("output", "")
                )
                .runtime(((double)(System.nanoTime() - start)) / 1_000_000D)
        );
    }
}