package org.simantics.document.server;

import org.simantics.db.ConverterExternalValue;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.exception.DatabaseException;
import org.simantics.document.base.ontology.DocumentationResource;
import org.simantics.document.server.request.ServerSCLValueRequest;
import org.simantics.scl.reflection.ReflectionUtils;
import org.simantics.scl.reflection.ValueNotFoundException;
import org.simantics.scl.runtime.function.Function1;

public class SCLExternalValue implements ConverterExternalValue {

	@Override
	public <T> T getValue(ReadGraph graph, Resource resource) throws DatabaseException {
		try {
			return (T)ReflectionUtils.getValue(DocumentationResource.URIs.Functions_sclValue).getValue();
		} catch (ValueNotFoundException e) {
			throw new DatabaseException(e);
		}
	}

	@Override
	public Function1 getFunction(ReadGraph graph, Resource s, Resource o, Resource p) throws DatabaseException {
		return ServerSCLValueRequest.compile(graph, s, o, p);
	}

}