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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.provision;
import java.util.Objects;
/**
* Represents an applications instance name, which may be any kind of string or default. This type is defined
* in order to provide a type safe API for defining environments.
*
* @author lulf
* @since 5.25
*/
public class InstanceName implements Comparable<InstanceName> {
private final String instanceName;
private InstanceName(String instanceName) {
this.instanceName = instanceName;
}
@Override
public int hashCode() {
return instanceName.hashCode();
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof InstanceName)) return false;
return Objects.equals(((InstanceName) obj).instanceName, instanceName);
}
@Override
public String toString() {
return instanceName;
}
public static InstanceName from(String name) {
return new InstanceName(name);
}
public static InstanceName defaultName() {
return new InstanceName("default");
}
public boolean isDefault() {
return equals(InstanceName.defaultName());
}
public String value() { return instanceName; }
@Override
public int compareTo(InstanceName instance) {
return instanceName.compareTo(instance.instanceName);
}
}
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