Examples with RunAndTrack org.eclipse.e4.core.contexts.RunAndTrack used on opensource projects

Example 6 with RunAndTrack

use of org.eclipse.e4.core.contexts.RunAndTrack in project eclipse.platform.runtime by eclipse.

the class ActivationTest method testGetActiveRAT.

@Test
public void testGetActiveRAT() {
    IEclipseContext root = EclipseContextFactory.create("root");
    IEclipseContext child1 = root.createChild("child1");
    IEclipseContext child11 = child1.createChild("child11");
    IEclipseContext child12 = child1.createChild("child12");
    IEclipseContext child2 = root.createChild("child2");
    IEclipseContext child21 = child2.createChild("child21");
    IEclipseContext child22 = child2.createChild("child22");
    child11.set("var", "1");
    child12.set("var", "2");
    child1.set("var", "3");
    child21.set("var", "4");
    child22.set("var", "5");
    child2.set("var", "6");
    root.set("var", "7");
    final String[] result = new String[1];
    child1.runAndTrack(new RunAndTrack() {

        @Override
        public boolean changed(IEclipseContext context) {
            result[0] = (String) context.getActive("var");
            return true;
        }
    });
    // nothing is active - we get value from the node
    assertEquals("3", result[0]);
    child11.activateBranch();
    assertEquals("1", result[0]);
    child12.activateBranch();
    assertEquals("2", result[0]);
    child22.activateBranch();
    assertEquals("2", result[0]);
}

Example 7 with RunAndTrack

use of org.eclipse.e4.core.contexts.RunAndTrack in project eclipse.platform.runtime by eclipse.

the class ContextInjectionTest method testBug374421.

@Test
public void testBug374421() {
    try {
        IEclipseContext context = EclipseContextFactory.create();
        context.runAndTrack(new RunAndTrack() {

            @Override
            public boolean changed(IEclipseContext context) {
                IEclipseContext staticContext = EclipseContextFactory.create();
                ContextInjectionFactory.make(Object.class, context, staticContext);
                return true;
            }
        });
    } catch (StackOverflowError e) {
        fail("See bug 374421 for details.");
    }
}

Example 8 with RunAndTrack

use of org.eclipse.e4.core.contexts.RunAndTrack in project eclipse.platform.runtime by eclipse.

the class ReparentingTest method testRunAndTrackSwitchParent.

@Test
public void testRunAndTrackSwitchParent() {
    final String[] value = new String[1];
    IEclipseContext parent = EclipseContextFactory.create();
    final IEclipseContext child = parent.createChild();
    parent.set("x", "oldParent");
    child.runAndTrack(new RunAndTrack() {

        @Override
        public boolean changed(IEclipseContext context) {
            value[0] = (String) child.get("x");
            return true;
        }
    });
    assertEquals("oldParent", value[0]);
    IEclipseContext newParent = EclipseContextFactory.create();
    newParent.set("x", "newParent");
    child.setParent(newParent);
    assertEquals("newParent", value[0]);
}

Example 9 with RunAndTrack

use of org.eclipse.e4.core.contexts.RunAndTrack in project eclipse.platform.runtime by eclipse.

the class ReparentingTest method testUpdateSameParent.

@Test
public void testUpdateSameParent() {
    final Boolean[] called = new Boolean[1];
    IEclipseContext parent = EclipseContextFactory.create("parent");
    IEclipseContext newParent = EclipseContextFactory.create("newParent");
    IEclipseContext child = parent.createChild("child");
    parent.set("x", "1");
    newParent.set("x", "2");
    child.runAndTrack(new RunAndTrack() {

        @Override
        public boolean changed(IEclipseContext context) {
            called[0] = true;
            // creates a link
            context.get("x");
            return true;
        }
    });
    called[0] = false;
    // make sure setting parent to the same value does not trigger updates
    child.setParent(parent);
    assertFalse(called[0]);
    child.setParent(newParent);
    assertTrue(called[0]);
}

Example 10 with RunAndTrack

use of org.eclipse.e4.core.contexts.RunAndTrack in project eclipse.platform.runtime by eclipse.

the class EclipseContextTest method testRunAndTrack.

@Test
public void testRunAndTrack() {
    final Object[] value = new Object[1];
    context.runAndTrack(new RunAndTrack() {

        @Override
        public boolean changed(IEclipseContext context) {
            runCounter++;
            value[0] = context.get("foo");
            return true;
        }
    });
    assertEquals(1, runCounter);
    assertEquals(null, value[0]);
    context.set("foo", "bar");
    assertEquals(2, runCounter);
    assertEquals("bar", value[0]);
    context.remove("foo");
    assertEquals(3, runCounter);
    assertEquals(null, value[0]);
    context.set("foo", new ContextFunction() {

        @Override
        public Object compute(IEclipseContext context, String contextKey) {
            return context.get("bar");
        }
    });
    assertEquals(4, runCounter);
    assertEquals(null, value[0]);
    context.set("bar", "baz");
    assertEquals(5, runCounter);
    assertEquals("baz", value[0]);
    context.set("bar", "baf");
    assertEquals(6, runCounter);
    assertEquals("baf", value[0]);
    context.remove("bar");
    assertEquals(7, runCounter);
    assertEquals(null, value[0]);
    parentContext.set("bar", "bam");
    assertEquals(8, runCounter);
    assertEquals("bam", value[0]);
}