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[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / adapter / SCLComputationalValue.java
1 /*******************************************************************************
2  * Copyright (c) 2018 Association for Decentralized Information Management in
3  * Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     Semantum Oy - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.db.layer0.adapter;
13
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.exception.DatabaseException;
17 import org.simantics.db.layer0.scl.CompileResourceValueRequest;
18 import org.simantics.db.layer0.scl.CompileValueRequest;
19 import org.simantics.scl.runtime.function.Function1;
20
21 /**
22  * @author Antti Villberg
23  * @since 1.36.0
24  */
25 public class SCLComputationalValue extends ContextualRelatedValue {
26
27     @Override
28     public Function1<Object,Object> getFunction(ReadGraph graph, Resource s, Resource o, Resource p) throws DatabaseException {
29         if (s != null && p != null && o != null) {
30             return CompileValueRequest.compile(graph, s, o, p);
31         } else if (o != null) {
32             return CompileResourceValueRequest.compile(graph, o);
33         } else {
34             throw new DatabaseException("Could not compile SCL expression: s=" + s + " p=" + p + " o=" + o);
35         }
36     }
37
38 }