bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/Ranges.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.spreadsheet.graph;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collection;\r
  16 \r
  17 import org.simantics.db.ReadGraph;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.common.request.UnaryRead;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.db.layer0.variable.Variable;\r
  22 import org.simantics.spreadsheet.resource.SpreadsheetResource;\r
  23 \r
  24 public class Ranges extends UnaryRead<Variable, Collection<Variable>> {\r
  25 \r
  26     public Ranges(Variable variable) {\r
  27         super(variable);\r
  28     }\r
  29 \r
  30     @Override\r
  31     public Collection<Variable> perform(ReadGraph graph) throws DatabaseException {\r
  32         SpreadsheetResource SHEET = SpreadsheetResource.getInstance(graph);\r
  33         ArrayList<Variable> result = new ArrayList<Variable>(); \r
  34         for(Variable child : parameter.getChildren(graph)) {\r
  35                 Resource type = child.getPossibleType(graph);\r
  36                 if(type != null) {\r
  37                         if(graph.isInheritedFrom(type, SHEET.Range)) {\r
  38                                 result.add(child);\r
  39                         }\r
  40                 }\r
  41         }\r
  42         return result;\r
  43     }\r
  44 \r
  45 }\r