node-repository/src/main/java/com/yahoo/vespa/hosted/provision/lb/LoadBalancerSpec.java


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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.lb;

import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.ClusterSpec;

import java.util.Objects;
import java.util.Set;

/**
 * A specification for a load balancer.
 *
 * @author mpolden
 */
public class LoadBalancerSpec {

    private final ApplicationId application;
    private final ClusterSpec.Id cluster;
    private final Set<Real> reals;

    public LoadBalancerSpec(ApplicationId application, ClusterSpec.Id cluster, Set<Real> reals) {
        this.application = Objects.requireNonNull(application);
        this.cluster = Objects.requireNonNull(cluster);
        this.reals = Set.copyOf(Objects.requireNonNull(reals));
    }

    /** Owner of the load balancer */
    public ApplicationId application() {
        return application;
    }

    /** The target cluster of this load balancer */
    public ClusterSpec.Id cluster() {
        return cluster;
    }

    /** Real servers to attach to this load balancer */
    public Set<Real> reals() {
        return reals;
    }

}