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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.config.model.provision;
import com.google.common.collect.ImmutableList;
import com.yahoo.component.Version;
import com.yahoo.config.provision.Flavor;
import java.util.List;
import java.util.Optional;
/**
* A hostname with zero or more aliases. This is immutable.
*
* @author hmusum
*/
public class Host {
private final String hostname;
private final ImmutableList<String> aliases;
private final Optional<Flavor> flavor;
private final Optional<Version> version;
public Host(String hostname) {
this(hostname, ImmutableList.of(), Optional.empty());
}
public Host(String hostname, List<String> hostAliases) {
this(hostname, hostAliases, Optional.empty());
}
public Host(String hostname, List<String> hostAliases, Optional<Flavor> flavor) {
this(hostname, hostAliases, flavor, Optional.empty());
}
public Host(String hostname, List<String> hostAliases, Optional<Flavor> flavor, Optional<Version> version) {
this.hostname = hostname;
this.aliases = ImmutableList.copyOf(hostAliases);
this.flavor = flavor;
this.version = version;
}
public String hostname() { return hostname; }
/** Returns an immutable list of the aliases of this node, which may be empty but never null */
public List<String> aliases() { return aliases; }
public Optional<Flavor> flavor() { return flavor; }
/** The current Vespa version running on this host, or empty if not known */
public Optional<Version> version() { return version; }
@Override
public String toString() {
return hostname + (aliases.size() > 0 ? " (aliases: " + aliases + ")" : "" ) +
(flavor.isPresent() ? " (flavor: " + flavor.get() + ")" : "");
}
}
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