Feat: set OptSolvX as default LP backend; add SBML-FBC→LP bridge prototype

pom.xml

@@ -471,6 +471,13 @@
         </exclusion>
       </exclusions>
     </dependency>
+
+    <!-- OptSolvX -->
+    <dependency>
+      <groupId>org.optsolvx</groupId>
+      <artifactId>optsolvx</artifactId>
+      <version>0.1.0-SNAPSHOT</version>
+    </dependency>
   </dependencies>
 
 

src/main/java/org/simulator/optsolvx/OptSolvXDemo.java

@@ -0,0 +1,7 @@
+package org.simulator.optsolvx;
+
+public class OptSolvXDemo {
+    public static void main(String[] args) {
+
+    }
+}

src/main/java/org/simulator/optsolvx/OptSolvXSolverAdapter.java

@@ -0,0 +1,55 @@
+package org.simulator.optsolvx;
+
+import org.optsolvx.model.AbstractLPModel;
+import org.optsolvx.solver.LPSolution;
+import org.optsolvx.solver.LPSolverAdapter;
+
+import java.text.MessageFormat;
+import java.util.logging.Logger;
+
+public class OptSolvXSolverAdapter implements LPSolverAdapter {
+    private static final Logger LOGGER =
+            Logger.getLogger(OptSolvXSolverAdapter.class.getName());
+
+    private final LPSolverAdapter backend;
+    private final boolean debug;
+
+    /**
+     * @param backend concrete OptSolvX solver (e.g. CommonsMathSolver)
+     * @param debug enable verbose logging
+     */
+    public OptSolvXSolverAdapter(LPSolverAdapter backend, boolean debug) {
+        this.backend = backend;
+        this.debug = debug;
+    }
+
+    @Override
+    public LPSolution solve(AbstractLPModel model) {
+        if (!model.isBuilt()) {
+            throw new IllegalStateException("Model must be built() before solving.");
+        }
+
+        if (debug) {
+            LOGGER.info(MessageFormat.format(
+                    "{0}: solving with {1} (vars={2}, cons={3})",
+                    getClass().getSimpleName(),
+                    backend.getClass().getSimpleName(),
+                    model.getVariables().size(),
+                    model.getConstraints().size()
+            ));
+        }
+
+        LPSolution sol = backend.solve(model);
+
+        if (debug) {
+            LOGGER.info(MessageFormat.format(
+                    "{0}: result feasible={1}, objective={2}",
+                    getClass().getSimpleName(),
+                    sol.isFeasible(),
+                    sol.getObjectiveValue()
+            ));
+        }
+
+        return sol;
+    }
+}