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// Copyright Yahoo. 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.collections.AbstractFilteringList;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.ClusterSpec;
import java.util.Collection;
/**
* A filterable load balancer list. This is immutable.
*
* @author mpolden
*/
public class LoadBalancerList extends AbstractFilteringList<LoadBalancer, LoadBalancerList> {
protected LoadBalancerList(Collection<LoadBalancer> items, boolean negate) {
super(items, negate, LoadBalancerList::new);
}
/** Returns the subset of load balancers that are in given state */
public LoadBalancerList in(LoadBalancer.State state) {
return matching(lb -> lb.state() == state);
}
/** Returns the subset of load balancers in given cluster */
public LoadBalancerList application(ApplicationId application) {
return matching(lb -> lb.id().application().equals(application));
}
/** Returns the subset of load balancers in given cluster */
public LoadBalancerList cluster(ClusterSpec.Id cluster) {
return matching(lb -> lb.id().cluster().equals(cluster));
}
public static LoadBalancerList copyOf(Collection<LoadBalancer> loadBalancers) {
return new LoadBalancerList(loadBalancers, false);
}
}
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