/*
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.bigdata.rdf.sail.webapp;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.bigdata.journal.IIndexManager;
import com.bigdata.rdf.task.IApiTask;
/**
* Base class for delegation patterns where the delegate is an {@link IApiTask}.
* This is necessary in order to pass through the {@link #isGRSRequired()} and
* {@link #setIndexManager(IIndexManager)} method to both the base class and the
* delegate.
*
* @author bryan
*
* @param <T>
*/
abstract public class AbstractDelegateRestApiTask<T> extends
AbstractRestApiTask<T> {
private final IApiTask<T> delegate;
public AbstractDelegateRestApiTask(final HttpServletRequest req,
final HttpServletResponse resp, final String namespace,
final long timestamp, final IApiTask<T> delegate) {
super(req, resp, namespace, timestamp, delegate.isGRSRequired());
this.delegate = delegate;
}
@Override
public T call() throws Exception {
return delegate.call();
}
@Override
public void setIndexManager(final IIndexManager indexManager) {
super.setIndexManager(indexManager);
delegate.setIndexManager(indexManager);
}
@Override
public boolean isGRSRequired() {
return super.isGRSRequired() || delegate.isGRSRequired();
}
}