JLoadProfileUsers.java

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package com.griddynamics.jagger.user.test.configurations.load;

import com.griddynamics.jagger.user.test.configurations.load.auxiliary.NumberOfUsers;

import java.util.Objects;


public class JLoadProfileUsers {

    private final long numberOfUsers;
    private final long lifeTimeInSeconds;
    private final long startDelayInSeconds;
    private final double slewRateUsersPerSecond;

    private JLoadProfileUsers(Builder builder) {
        this.numberOfUsers = builder.numberOfUsers.value();
        this.lifeTimeInSeconds = builder.lifeTimeInSeconds;
        this.startDelayInSeconds = builder.startDelayInSeconds;
        this.slewRateUsersPerSecond = builder.slewRateUsersPerSecond;
    }

    public static Builder builder(NumberOfUsers numberOfUsers) {
        return new Builder(numberOfUsers);
    }

    public static class Builder {
        private final NumberOfUsers numberOfUsers;
        private long lifeTimeInSeconds;
        private long startDelayInSeconds;
        private double slewRateUsersPerSecond;

        private Builder(NumberOfUsers numberOfUsers) {
            Objects.requireNonNull(numberOfUsers);

            this.numberOfUsers = numberOfUsers;
            this.lifeTimeInSeconds = 60 * 60 * 48; // 2 days
            this.slewRateUsersPerSecond = numberOfUsers.value();
        }

        public JLoadProfileUsers build() {
            return new JLoadProfileUsers(this);
        }

        public Builder withLifeTimeInSeconds(long lifeTimeInSeconds) {
            if (lifeTimeInSeconds <= 0) {
                throw new IllegalArgumentException(String.format("Life time must be > 0. Provided value is %s", lifeTimeInSeconds));
            }
            this.lifeTimeInSeconds = lifeTimeInSeconds;
            return this;
        }

        public Builder withStartDelayInSeconds(long startDelayInSeconds) {
            if (startDelayInSeconds < 0) {
                throw new IllegalArgumentException(String.format("Start delay must be >= 0. Provided value is %s", startDelayInSeconds));
            }
            this.startDelayInSeconds = startDelayInSeconds;
            return this;
        }

        public Builder withSlewRateUsersPerSecond(double slewRateUsersPerSecond) {
            if (slewRateUsersPerSecond <= 0) {
                throw new IllegalArgumentException(
                        String.format("Slew rate users per second must be > 0. Provided value is %s", slewRateUsersPerSecond));
            }
            this.slewRateUsersPerSecond = slewRateUsersPerSecond;
            return this;
        }
    }

    public long getNumberOfUsers() {
        return numberOfUsers;
    }

    public long getLifeTimeInSeconds() {
        return lifeTimeInSeconds;
    }

    public long getStartDelayInSeconds() {
        return startDelayInSeconds;
    }

    public double getSlewRateUsersPerSecond() {
        return slewRateUsersPerSecond;
    }
}