package org.simantics.issues.common;

import java.util.Map;
import java.util.Set;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.SubMonitor;
import org.simantics.db.Issue;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.common.request.UniqueRead;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.service.QueryControl;

public class ComposedValidation extends UniqueRead<Map<Resource, Set<Issue>>> {

	private final IProgressMonitor monitor;
	private final BatchIssueSource source;
	private final BatchIssueValidationContext context;

	public ComposedValidation(IProgressMonitor monitor, BatchIssueSource source, BatchIssueValidationContext context) {
		this.monitor = monitor != null ? monitor : new NullProgressMonitor();
		this.source = source;
		this.context = context;
	}

	@Override
	public Map<Resource, Set<Issue>> perform(ReadGraph graph) throws DatabaseException {

		SubMonitor progress = SubMonitor.convert(monitor);
		progress.setWorkRemaining(context.contexts.size());
		
		QueryControl cc = graph.getService(QueryControl.class);
		cc.flush(graph);
		
		return source.run(progress, graph, context);

	}

}