package org.simantics.modeling;
-import gnu.trove.map.hash.THashMap;
-
-import java.util.Stack;
-
import org.simantics.basicexpression.Expressions;
-import org.simantics.basicexpression.analysis.DepthFirstAdapter;
-import org.simantics.basicexpression.node.AConstantValue;
-import org.simantics.basicexpression.node.ADivMultiplicative;
-import org.simantics.basicexpression.node.AMultMultiplicative;
-import org.simantics.basicexpression.node.APlusExpression;
-import org.simantics.basicexpression.node.AVariablePrimary;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.WriteGraph;
import org.simantics.utils.datastructures.Pair;
import org.simantics.utils.datastructures.Triple;
-public class InvertBasicExpressionVisitor extends DepthFirstAdapter {
-
- Stack<Object> stack = new Stack<Object>();
-
- public Object getResult() {
- if(stack.size() != 1) return null;
- return stack.pop();
- }
-
- public void outAConstantValue(AConstantValue node) {
- stack.push(Double.valueOf(node.toString()));
- }
-
- @Override
- public void outAVariablePrimary(AVariablePrimary node) {
- String value = node.toString().trim();
- stack.push(Triple.make(1.0, 0.0, value));
- }
-
- @SuppressWarnings("unchecked")
- public void outAPlusExpression(APlusExpression node) {
-
- final Object o1 = stack.pop();
- final Object o2 = stack.pop();
-
- if(o1 instanceof Double && o2 instanceof Triple) {
- Triple<Double, Double, String> p = (Triple<Double, Double, String>)o2;
- stack.push(Triple.make(p.first, p.second + (Double)o1, p.third));
- } else if (o2 instanceof Double && o1 instanceof Triple) {
- Triple<Double, Double, String> p = (Triple<Double, Double, String>)o1;
- stack.push(Triple.make(p.first, p.second + (Double)o2, p.third));
- } else if (o2 instanceof Double && o1 instanceof Double) {
- stack.push((Double)o1 + (Double)o2);
- } else {
- stack.push(Double.NaN);
- }
-
- }
-
- @SuppressWarnings("unchecked")
- public void outAMinusExpression(APlusExpression node) {
-
- final Object o1 = stack.pop();
- final Object o2 = stack.pop();
-
- if(o1 instanceof Double && o2 instanceof Triple) {
- Triple<Double, Double, String> p = (Triple<Double, Double, String>)o2;
- stack.push(Triple.make(-p.first, (Double)o1 - p.second, p.third ));
- } else if (o2 instanceof Double && o1 instanceof Triple) {
- Triple<Double, Double, String> p = (Triple<Double, Double, String>)o1;
- stack.push(Triple.make(p.first, p.second - (Double)o2, p.third));
- } else if (o2 instanceof Double && o1 instanceof Double) {
- stack.push((Double)o1 - (Double)o2);
- } else {
- stack.push(Double.NaN);
- }
-
- }
-
- @SuppressWarnings("unchecked")
- public void outAMultMultiplicative(AMultMultiplicative node) {
-
- final Object o1 = stack.pop();
- final Object o2 = stack.pop();
-
- if(o1 instanceof Double && o2 instanceof Triple) {
- Triple<Double, Double, String> p = (Triple<Double, Double, String>)o2;
- stack.push(Triple.make(p.first * (Double)o1, p.second * (Double)o1, p.third));
- } else if (o2 instanceof Double && o1 instanceof Triple) {
- Triple<Double, Double, String> p = (Triple<Double, Double, String>)o1;
- stack.push(Triple.make(p.first * (Double)o2, p.second * (Double)o2, p.third));
- } else if (o2 instanceof Double && o1 instanceof Double) {
- stack.push((Double)o1 * (Double)o2);
- } else {
- stack.push(Double.NaN);
- }
-
- }
-
- @SuppressWarnings("unchecked")
- public void outADivMultiplicative(ADivMultiplicative node) {
-
- final Object o1 = stack.pop();
- final Object o2 = stack.pop();
-
- if(o1 instanceof Double && o2 instanceof Triple) {
- stack.push(Double.NaN);
- } else if (o2 instanceof Double && o1 instanceof Triple) {
- Triple<Double, Double, String> p = (Triple<Double,Double, String>)o1;
- stack.push(Triple.make(p.first / (Double)o2, p.second / (Double)o2, p.third));
- } else if (o2 instanceof Double && o1 instanceof Double) {
- stack.push((Double)o1 / (Double)o2);
- } else {
- stack.push(Double.NaN);
- }
-
- }
+public class InvertBasicExpressionVisitor extends InvertBasicExpressionVisitorBase {
private static final String MAGIC = "_111_";
-
+
private static String replaced(String expression) {
return expression.replaceAll("\\.([A-Za-z])", MAGIC + "$1");
}
-
+
public static void invert(WriteGraph graph, Variable base, String expression, Object value) throws DatabaseException {
InvertBasicExpressionVisitor visitor = new InvertBasicExpressionVisitor();
Expressions.evaluate(replaced(expression), visitor);
- Object pair = visitor.getResult();
- if(pair == null) return;
- if(pair instanceof Triple) {
+ Object result = visitor.getResult();
+ if(result == null) return;
+ if(result instanceof Triple) {
@SuppressWarnings("unchecked")
- Triple<Double, Double, String> data = (Triple<Double, Double, String>)pair;
+ Triple<Double, Double, String> data = (Triple<Double, Double, String>)result;
String key = data.third.replace(MAGIC, ".");
String path = getVariablePath(graph, base, key);
Variable targetVariable = base.browse(graph, path);
if(value instanceof Number) {
if(Math.abs(data.first) > 1e-9) {
- Double inverted = (((Number)value).doubleValue() - data.second) / data.first;
- targetVariable.setValue(graph, inverted);
+ double inverted = (double) (((Number)value).doubleValue() - data.second) / data.first;
+ Object invertedValue = numericValueInType(inverted, value.getClass());
+ targetVariable.setValue(graph, invertedValue);
}
} else if (value instanceof Boolean) {
// TODO: support 'not'
}
}
-
+
+ private static Object numericValueInType(double value, Class<?> type) {
+ if (type == Integer.class) {
+ return (int) value;
+ } else if (type == Long.class) {
+ return (long) value;
+ } else if (type == Byte.class) {
+ return (byte) value;
+ } else if (type == Float.class) {
+ return (float) value;
+ }
+ return value;
+ }
+
private static String getVariablePath(ReadGraph graph, Variable base, String key) throws DatabaseException {
StructuralResource2 STR = StructuralResource2.getInstance(graph);
Resource type = base.getPossibleType(graph);
}
- public static Variable possibleInvertibleExpressionReferencedProperty(ReadGraph graph, Variable base, String expression) throws DatabaseException {
+ @SuppressWarnings("unchecked")
+ private static Triple<Double, Double, String> possibleInvertibleExpression(ReadGraph graph, Variable base, String expression) throws DatabaseException {
if (base == null || expression == null || expression.isEmpty())
return null;
InvertBasicExpressionVisitor visitor = new InvertBasicExpressionVisitor();
//System.out.println("invert : " + expression + " -> " + replaced(expression) + " for " + base.getURI(graph));
Expressions.evaluate(replaced(expression), visitor);
- Object pair = visitor.getResult();
- if(pair == null)
- return null;
- if(pair instanceof Triple) {
- @SuppressWarnings("unchecked")
- Triple<Double, Double, String> data = (Triple<Double, Double, String>)pair;
- String key = data.third.replace(MAGIC,".");
- String path = getVariablePath(graph, base, key);
- Variable targetVariable = base.browsePossible(graph, path);
- return targetVariable;
- }
+ Object result = visitor.getResult();
+ if (result instanceof Triple)
+ return (Triple<Double, Double, String>) result;
return null;
}
+ public static Variable possibleInvertibleExpressionReferencedProperty(ReadGraph graph, Variable base, String expression) throws DatabaseException {
+ Triple<Double, Double, String> data = possibleInvertibleExpression(graph, base, expression);
+ if (data == null)
+ return null;
+ String path = getVariablePath(graph, base, data.third.replace(MAGIC, "."));
+ return path != null ? base.browsePossible(graph, path) : null;
+ }
+
+ public static Triple<Double, Double, Variable> possibleInvertibleExpressionReferencedTransformedProperty(ReadGraph graph, Variable base, String expression) throws DatabaseException {
+ Triple<Double, Double, String> data = possibleInvertibleExpression(graph, base, expression);
+ if (data == null)
+ return null;
+ String path = getVariablePath(graph, base, data.third.replace(MAGIC, "."));
+ if (path == null)
+ return null;
+ Variable targetVariable = base.browsePossible(graph, path);
+ return targetVariable != null ? Triple.make(data.first, data.second, targetVariable) : null;
+ }
+
}
Code Review / simantics / platform.git / blobdiff