Examples with IDerivedStateComputer org.eclipse.xtext.resource.IDerivedStateComputer used on opensource projects

Example 1 with IDerivedStateComputer

use of org.eclipse.xtext.resource.IDerivedStateComputer in project xtext-xtend by eclipse.

the class IndexingTest method doTestResourceDescriptionWithoutGetContents.

private void doTestResourceDescriptionWithoutGetContents(final String input) throws IOException {
    XtextResourceSet resourceSet = getResourceSet();
    new ClasspathTypeProvider(classLoader, resourceSet, null, null);
    final Wrapper<Boolean> wrapper = Wrapper.wrap(Boolean.FALSE);
    for (int i = 0; i < 10; i++) {
        DerivedStateAwareResource resource = (DerivedStateAwareResource) resourceSet.createResource(URI.createURI("Dummy" + i + ".xtend"));
        resource.setDerivedStateComputer(new IDerivedStateComputer() {

            @Override
            public void installDerivedState(DerivedStateAwareResource resource, boolean preLinkingPhase) {
                if (!preLinkingPhase) {
                    wrapper.set(Boolean.TRUE);
                }
                derivedStateComputer.installDerivedState(resource, preLinkingPhase);
            }

            @Override
            public void discardDerivedState(DerivedStateAwareResource resource) {
                derivedStateComputer.discardDerivedState(resource);
            }
        });
        String actualInput = input;
        if (i != 0) {
            actualInput = "import C" + (i + 1) + " " + actualInput;
            actualInput = "import C" + (i - 1) + " " + actualInput;
        }
        actualInput = String.format(actualInput, i, i + 1);
        resource.load(new StringInputStream(actualInput), null);
    }
    for (int i = 0; i < 10; i++) {
        Resource resource = resourceSet.getResources().get(i);
        for (IEObjectDescription description : resourceDescriptionManager.getResourceDescription(resource).getExportedObjects()) {
            description.getEObjectOrProxy();
        }
    }
    assertFalse(wrapper.get());
}