rename java run tests from main to runme for consistency across the languages
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@10932 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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34 changed files with 55 additions and 55 deletions
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// This file illustrates the cross language polymorphism using directors.
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// CEO class, which overrides Employee::getPosition().
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class CEO extends Manager {
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public CEO(String name) {
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super(name);
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}
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public String getPosition() {
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return "CEO";
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}
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// Public method to stop the SWIG proxy base class from thinking it owns the underlying C++ memory.
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public void disownMemory() {
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swigCMemOwn = false;
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}
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}
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public class main {
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static {
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try {
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System.loadLibrary("example");
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} catch (UnsatisfiedLinkError e) {
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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);
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System.exit(1);
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}
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}
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public static void main(String argv[])
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{
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// Create an instance of CEO, a class derived from the Java proxy of the
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// underlying C++ class. The calls to getName() and getPosition() are standard,
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// the call to getTitle() uses the director wrappers to call CEO.getPosition().
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CEO e = new CEO("Alice");
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System.out.println( e.getName() + " is a " + e.getPosition() );
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System.out.println( "Just call her \"" + e.getTitle() + "\"" );
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System.out.println( "----------------------" );
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// Create a new EmployeeList instance. This class does not have a C++
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// director wrapper, but can be used freely with other classes that do.
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EmployeeList list = new EmployeeList();
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// EmployeeList owns its items, so we must surrender ownership of objects we add.
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e.disownMemory();
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list.addEmployee(e);
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System.out.println( "----------------------" );
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// Now we access the first four items in list (three are C++ objects that
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// EmployeeList's constructor adds, the last is our CEO). The virtual
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// methods of all these instances are treated the same. For items 0, 1, and
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// 2, all methods resolve in C++. For item 3, our CEO, getTitle calls
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// getPosition which resolves in Java. The call to getPosition is
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// slightly different, however, because of the overidden getPosition() call, since
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// now the object reference has been "laundered" by passing through
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// EmployeeList as an Employee*. Previously, Java resolved the call
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// immediately in CEO, but now Java thinks the object is an instance of
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// class Employee. So the call passes through the
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// Employee proxy class and on to the C wrappers and C++ director,
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// eventually ending up back at the Java CEO implementation of getPosition().
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// The call to getTitle() for item 3 runs the C++ Employee::getTitle()
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// method, which in turn calls getPosition(). This virtual method call
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// passes down through the C++ director class to the Java implementation
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// in CEO. All this routing takes place transparently.
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System.out.println( "(position, title) for items 0-3:" );
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System.out.println( " " + list.get_item(0).getPosition() + ", \"" + list.get_item(0).getTitle() + "\"" );
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System.out.println( " " + list.get_item(1).getPosition() + ", \"" + list.get_item(1).getTitle() + "\"" );
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System.out.println( " " + list.get_item(2).getPosition() + ", \"" + list.get_item(2).getTitle() + "\"" );
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System.out.println( " " + list.get_item(3).getPosition() + ", \"" + list.get_item(3).getTitle() + "\"" );
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System.out.println( "----------------------" );
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// Time to delete the EmployeeList, which will delete all the Employee*
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// items it contains. The last item is our CEO, which gets destroyed as well.
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list.delete();
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System.out.println( "----------------------" );
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// All done.
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System.out.println( "java exit" );
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}
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}
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