Add assumeoverride feature option for Java directors to improve performance when it can be assumed that all methods are overridden by the Java derived classes

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@13606 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/java/java_director_assumeoverride_runme.java

@@ -0,0 +1,27 @@
+
+import java_director_assumeoverride.*;
+
+public class java_director_assumeoverride_runme {
+
+  static {
+    try {
+      System.loadLibrary("java_director_assumeoverride");
+    } catch (UnsatisfiedLinkError e) {
+      System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
+      System.exit(1);
+    }
+  }
+
+  static class MyOverrideMe extends OverrideMe {
+  }
+
+  public static void main(String argv[]) {
+    OverrideMe overrideMe = new MyOverrideMe();
+
+    // MyOverrideMe doesn't actually override func(), but because assumeoverride
+    // was set to true, the C++ side will believe it was overridden.
+    if (!java_director_assumeoverride.isFuncOverridden(overrideMe)) {
+      throw new RuntimeException ( "isFuncOverridden()" );
+    }
+  }
+}