/*************************************************************************
* (c) Copyright 2016 Hewlett Packard Enterprise Development Company LP
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
************************************************************************/
package com.eucalyptus.portal.common.provider;
import java.util.Set;
import javax.annotation.Nonnull;
import com.eucalyptus.auth.principal.User;
/**
* Tag provider represents a source of tag information
*/
public interface TagProvider {
/**
* The vendor supported by this provider, e.g. "ec2"
*/
@Nonnull
String getVendor( );
/**
* Get the tag keys that the given user can access.
*
* @param user The user
*/
@Nonnull
Set<String> getTagKeys( @Nonnull User user );
}