--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.db.layer0.variable;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.binding.BooleanBinding;\r
+import org.simantics.databoard.binding.NumberBinding;\r
+import org.simantics.databoard.binding.StringBinding;\r
+import org.simantics.databoard.binding.error.BindingException;\r
+import org.simantics.databoard.binding.mutable.MutableStringBinding;\r
+import org.simantics.databoard.parser.repository.DataTypeSyntaxError;\r
+import org.simantics.databoard.parser.repository.DataValueRepository;\r
+import org.simantics.databoard.primitives.MutableString;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.databoard.type.DoubleType;\r
+import org.simantics.databoard.type.FloatType;\r
+import org.simantics.databoard.type.IntegerType;\r
+import org.simantics.databoard.type.NumberType;\r
+import org.simantics.databoard.units.IUnitConverter;\r
+import org.simantics.databoard.units.internal.UnitParseException;\r
+import org.simantics.databoard.util.ObjectUtils;\r
+import org.simantics.db.VirtualGraph;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.util.Layer0Utils;\r
+import org.simantics.db.layer0.util.PrimitiveValueParser;\r
+\r
+public class VariableWrite extends WriteRequest {\r
+\r
+ final private Variable variable;\r
+ final private String label;\r
+ final private String targetUnit;\r
+\r
+ public VariableWrite(Variable variable, String label) {\r
+ this(variable, label, null, null);\r
+ }\r
+\r
+ public VariableWrite(Variable variable, String label, VirtualGraph provider, String targetUnit) {\r
+ super(provider);\r
+ this.variable = variable;\r
+ this.label = label;\r
+ this.targetUnit = targetUnit;\r
+ }\r
+\r
+ public static IUnitConverter converter(final String unit, final String targetUnit) {\r
+\r
+ return new IUnitConverter() {\r
+\r
+ @Override\r
+ public double convert(double value) {\r
+\r
+ if(targetUnit == null) return value;\r
+\r
+ if("K".equals(unit)) {\r
+ if("C".equals(targetUnit)) value = value - 273.15;\r
+ else if("F".equals(targetUnit)) value = (value - 273.15) * 9.0/5.0 + 32.0;\r
+ } else if ("C".equals(unit)) {\r
+ if("K".equals(targetUnit)) value = value + 273.15;\r
+ } else if ("F".equals(unit)) {\r
+ if("K".equals(targetUnit)) value = (value - 32.0) * 5.0/9.0 + 273.15;\r
+ } else {\r
+ try {\r
+ value = org.simantics.databoard.Units.convert(value, unit, targetUnit);\r
+ } catch (UnitParseException e) {\r
+ e.printStackTrace();\r
+ }\r
+ }\r
+\r
+ return value;\r
+\r
+ }\r
+\r
+ };\r
+\r
+\r
+ }\r
+\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ graph.markUndoPoint();\r
+ try {\r
+ //System.err.println("VariableWrite " + variable.getURI(graph) + " => " + label);\r
+ Datatype type = variable.getPossibleDatatype(graph);\r
+ if (type == null) {\r
+ String uri = null;\r
+ try {\r
+ uri = variable.getURI(graph);\r
+ } catch (DatabaseException e) {\r
+ }\r
+ throw new org.simantics.db.exception.BindingException("no datatype for variable " + variable + " (URI=" + uri + ")", null);\r
+ }\r
+\r
+ Binding binding = Bindings.getBinding(type);\r
+\r
+ String parsedLabel = label;\r
+ Object value = null;\r
+\r
+ if (binding instanceof StringBinding) {\r
+ if (binding instanceof MutableStringBinding)\r
+ value = new MutableString(label);\r
+ else\r
+ value = label;\r
+ } else if (binding instanceof BooleanBinding) {\r
+ // This parses a bit more than just "true"/"false".\r
+ try {\r
+ value = PrimitiveValueParser.parseBoolean(label);\r
+ } catch (IllegalArgumentException e) {\r
+ throw new DatabaseException(e);\r
+ }\r
+ } else {\r
+ if (binding instanceof NumberBinding) {\r
+ parsedLabel = label.replace(",", ".");\r
+ }\r
+\r
+ value = binding.parseValue(parsedLabel, new DataValueRepository());\r
+ \r
+ // FIXME: this is Balas-specific\r
+ if (targetUnit != null) {\r
+ if (type instanceof NumberType) {\r
+ String unit = Variables.getPossibleUnit(graph, variable);\r
+ if (unit != null) {\r
+ IUnitConverter converter = converter(targetUnit, unit);\r
+ if(type instanceof FloatType) {\r
+ float converted = (float)converter.convert(((Number)value).floatValue());\r
+ value = binding.parseValue(Float.toString(converted), new DataValueRepository());\r
+ } else if(type instanceof DoubleType) {\r
+ double converted = converter.convert(((Number)value).doubleValue());\r
+ value = binding.parseValue(Double.toString(converted), new DataValueRepository());\r
+ } else if(type instanceof IntegerType) {\r
+ value = binding.parseValue(Integer.toString(((Number)value).intValue()), new DataValueRepository());\r
+ }\r
+ }\r
+ }\r
+ }\r
+ }\r
+ variable.setValue(graph, value, binding);\r
+\r
+ String[] varParts = variable.getParent(graph).getURI(graph).split("/");\r
+ String varName = varParts[varParts.length - 1];\r
+ \r
+ // Add a comment to metadata.\r
+ Layer0Utils.addCommentMetadata(graph, "Modified variable " + varName + " to " + ObjectUtils.toString(value));\r
+ \r
+ } catch (DataTypeSyntaxError e) {\r
+ throw new DatabaseException(e);\r
+ } catch (BindingException e) {\r
+ throw new DatabaseException(e);\r
+ }\r
+\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff