/*
* ProActive Parallel Suite(TM):
* The Open Source library for parallel and distributed
* Workflows & Scheduling, Orchestration, Cloud Automation
* and Big Data Analysis on Enterprise Grids & Clouds.
*
* Copyright (c) 2007 - 2017 ActiveEon
* Contact: contact@activeeon.com
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* If needed, contact us to obtain a release under GPL Version 2 or 3
* or a different license than the AGPL.
*/
package org.ow2.proactive.topology.descriptor;
import org.objectweb.proactive.annotation.PublicAPI;
/**
* This descriptor allows to select one node per host exclusively.
* Hosts with selected nodes will be reserved for the user.
* <p>
* By specifying this descriptor in {@code ResourceManager.getAtMostNodes} user may get
* more nodes than it asked for due to the fact that total capacity of all machines is
* bigger.
* <p>
* The resource manager first will try to find hosts with only one node
* to optimize the utilization of resources. If there no such hosts (or their quantity is
* below required) it will continue looking for hosts with 2 nodes and so on.
*
* If number of hosts is not enough the found subset will be provided.
*/
@PublicAPI
public class DifferentHostsExclusiveDescriptor extends TopologyDescriptor {
/**
* Constructs a new instance of the class.
*/
public DifferentHostsExclusiveDescriptor() {
super(true);
}
}