/* dCache - http://www.dcache.org/
*
* Copyright (C) 2015 Deutsches Elektronen-Synchrotron
*
* This program 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, either version 3 of the
* License, or (at your option) any later version.
*
* 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/>.
*/
package org.dcache.srm.scheduler.strategy;
import javax.annotation.Nonnull;
import org.dcache.srm.SRMInvalidRequestException;
import org.dcache.srm.SRMUser;
import org.dcache.srm.request.FileRequest;
import org.dcache.srm.request.Job;
import org.dcache.srm.request.Request;
import org.dcache.srm.scheduler.spi.JobDiscriminator;
public abstract class UserDiscriminator implements JobDiscriminator
{
@Nonnull
@Override
public String getDiscriminatingValue(Job job)
{
SRMUser user = getUser(job);
return (user == null) ? "" : getDiscriminatingValue(user);
}
private SRMUser getUser(Job job)
{
if (job instanceof Request) {
return ((Request) job).getUser();
} else if (job instanceof FileRequest) {
try {
return ((FileRequest) job).getUser();
} catch (SRMInvalidRequestException ignored) {
}
}
return null;
}
@Nonnull
protected abstract String getDiscriminatingValue(SRMUser user);
}