bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/NamedVariableChildren.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in 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  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.layer0.request;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.common.request.UnaryRead;
  19 import org.simantics.db.exception.DatabaseException;
  20 import org.simantics.db.layer0.variable.Variable;
  21 import org.simantics.utils.datastructures.Pair;
  22
  23 public class NamedVariableChildren extends UnaryRead<Variable, Collection<Pair<String, Variable>>> {
  24
  25     public NamedVariableChildren(Variable variable) {
  26         super(variable);
  27     }
  28
  29     @Override
  30     public Collection<Pair<String, Variable>> perform(ReadGraph graph) throws DatabaseException {
  31         ArrayList<Pair<String, Variable>> result = new ArrayList<Pair<String, Variable>>();
  32         for(Variable child : parameter.getChildren(graph)) {
  33                 String name = child.getName(graph);
  34                 result.add(Pair.make(name, child));
  35         }
  36         return result;
  37     }
  38
  39 }