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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.controller.api.role;
import com.yahoo.config.provision.SystemName;
import java.util.EnumSet;
import java.util.LinkedHashSet;
import java.util.Objects;
import java.util.Set;
/**
* This describes a privilege in the controller. A privilege expresses the actions (e.g. create or read) granted
* for a particular group of REST API paths. A privilege is valid in one or more systems.
*
* @author mpolden
*/
class Privilege {
private final Set<SystemName> systems;
private final Set<Action> actions;
private final Set<PathGroup> pathGroups;
private Privilege(Set<SystemName> systems, Set<Action> actions, Set<PathGroup> pathGroups) {
this.systems = EnumSet.copyOf(Objects.requireNonNull(systems, "system must be non-null"));
this.actions = EnumSet.copyOf(Objects.requireNonNull(actions, "actions must be non-null"));
this.pathGroups = EnumSet.copyOf(Objects.requireNonNull(pathGroups, "pathGroups must be non-null"));
if (systems.isEmpty()) {
throw new IllegalArgumentException("systems must be non-empty");
}
}
/** Systems where this applies */
Set<SystemName> systems() {
return systems;
}
/** Actions allowed by this */
Set<Action> actions() {
return actions;
}
/** Path groups where this applies */
Set<PathGroup> pathGroups() {
return pathGroups;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Privilege privilege = (Privilege) o;
return systems.equals(privilege.systems) &&
actions.equals(privilege.actions) &&
pathGroups.equals(privilege.pathGroups);
}
@Override
public int hashCode() {
return Objects.hash(systems, actions, pathGroups);
}
static PrivilegeBuilder grant(Action... actions) {
return grant(Set.of(actions));
}
static PrivilegeBuilder grant(Set<Action> actions) {
return new PrivilegeBuilder(actions);
}
static class PrivilegeBuilder {
private Set<Action> actions;
private Set<PathGroup> pathGroups;
private PrivilegeBuilder(Set<Action> actions) {
this.actions = EnumSet.copyOf(actions);
this.pathGroups = new LinkedHashSet<>();
}
PrivilegeBuilder on(PathGroup... pathGroups) {
return on(Set.of(pathGroups));
}
PrivilegeBuilder on(Set<PathGroup> pathGroups) {
this.pathGroups.addAll(pathGroups);
return this;
}
Privilege in(SystemName... systems) {
return in(Set.of(systems));
}
Privilege in(Set<SystemName> systems) {
return new Privilege(systems, actions, pathGroups);
}
}
}
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