Examples of org.apache.jackrabbit.oak.api.Root

org.apache.jackrabbit.oak.api.Root
A {@code Root} instance serves as a container for a {@link Tree}. It is obtained from a {@link ContentSession}, which governs accessibility and visibility of the {@code Tree} and its sub trees.
All root instances created by a content session become invalid after the content session is closed. Any method called on an invalid root instance will throw an {@code InvalidStateException}.
{@link Tree} instances may become non existing after a call to{@link #refresh()}, {@link #rebase()} or {@link #commit()}. Any write access to non existing {@code Tree} instances will cause an{@code InvalidStateException}. @see Tree Existence and iterability of trees

        assertEquals("/moved/new", n.getPath());
    }


    @Test
    public void moveToSelf() throws CommitFailedException {
        Root root = session.getLatestRoot();
        root.getTree("/").addChild("s");
        root.commit();


        assertTrue(root.move("/s", "/s"));
    }

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        assertTrue(root.move("/s", "/s"));
    }


    @Test
    public void moveToDescendant() throws CommitFailedException {
        Root root = session.getLatestRoot();
        root.getTree("/").addChild("s");
        root.commit();


        assertFalse(root.move("/s", "/s/t"));
    }

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        assertFalse(root.move("/s", "/s/t"));
    }


    @Test
    public void copyToSelf() throws CommitFailedException {
        Root root = session.getLatestRoot();
        root.getTree("/").addChild("s");
        root.commit();


        assertFalse(root.copy("/s", "/s"));
    }

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        assertFalse(root.copy("/s", "/s"));
    }


    @Test
    public void copyToDescendant() throws CommitFailedException {
        Root root = session.getLatestRoot();
        root.getTree("/").addChild("s");
        root.commit();


        assertTrue(root.copy("/s", "/s/t"));
    }

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    /**
     * Regression test for OAK-208
     */
    @Test
    public void removeMoved() throws CommitFailedException {
        Root root = session.getLatestRoot();
        Tree r = root.getTree("/");
        r.addChild("a");
        r.addChild("b");


        root.move("/a", "/b/c");
        assertFalse(r.hasChild("a"));
        assertTrue(r.hasChild("b"));


        r.getChild("b").remove();
        assertFalse(r.hasChild("a"));
        assertFalse(r.hasChild("b"));


        root.commit();
        assertFalse(r.hasChild("a"));
        assertFalse(r.hasChild("b"));
    }

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        assertFalse(r.hasChild("b"));
    }


    @Test
    public void rename() throws CommitFailedException {
        Root root = session.getLatestRoot();
        Tree tree = root.getTree("/");
        Tree x = tree.getChild("x");
        assertTrue(x.exists());


        root.move("/x", "/xx");
        assertFalse(tree.hasChild("x"));
        assertTrue(tree.hasChild("xx"));
        assertEquals("/xx", x.getPath());
        
        root.commit();


        assertFalse(tree.hasChild("x"));
        assertTrue(tree.hasChild("xx"));
    }

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        assertTrue(tree.hasChild("xx"));
    }


    @Test
    public void copy() throws CommitFailedException {
        Root root = session.getLatestRoot();
        Tree tree = root.getTree("/");


        Tree y = tree.getChild("y");
        Tree x = tree.getChild("x");
        assertTrue(x.exists());


        assertTrue(tree.hasChild("x"));
        root.copy("/x", "/y/xx");
        assertTrue(tree.hasChild("x"));
        assertTrue(y.hasChild("xx"));
        
        root.commit();


        assertTrue(tree.hasChild("x"));
        assertTrue(tree.hasChild("y"));
        assertTrue(tree.getChild("y").hasChild("xx"));
    }

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        assertTrue(tree.getChild("y").hasChild("xx"));
    }


    @Test
    public void deepCopy() throws CommitFailedException {
        Root root = session.getLatestRoot();
        Tree tree = root.getTree("/");


        Tree y = tree.getChild("y");


        root.getTree("/x").addChild("x1");
        root.copy("/x", "/y/xx");
        assertTrue(y.hasChild("xx"));
        assertTrue(y.getChild("xx").hasChild("x1"));


        root.commit();


        assertTrue(tree.hasChild("x"));
        assertTrue(tree.hasChild("y"));
        assertTrue(tree.getChild("y").hasChild("xx"));
        assertTrue(tree.getChild("y").getChild("xx").hasChild("x1"));

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        checkEqual(x, xx);
    }


    @Test
    public void rebase() throws CommitFailedException {
        Root root1 = session.getLatestRoot();
        Root root2 = session.getLatestRoot();


        checkEqual(root1.getTree("/"), root2.getTree("/"));


        root2.getTree("/").addChild("one").addChild("two").addChild("three")
                .setProperty("p1", "V1");
        root2.commit();


        root1.rebase();
        checkEqual(root1.getTree("/"), (root2.getTree("/")));


        Tree one = root2.getTree("/one");
        one.getChild("two").remove();
        one.addChild("four");
        root2.commit();


        root1.rebase();
        checkEqual(root1.getTree("/"), (root2.getTree("/")));
    }

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        checkEqual(root1.getTree("/"), (root2.getTree("/")));
    }


    @Test
    public void rebasePreservesStatus() throws CommitFailedException {
        Root root1 = session.getLatestRoot();
        Root root2 = session.getLatestRoot();


        Tree x = root1.getTree("/x");
        Tree added = x.addChild("added");
        assertEquals(NEW, added.getStatus());


        root2.getTree("/x").addChild("bar");
        root2.commit();


        root1.rebase();


        assertTrue(x.hasChild("added"));
        assertEquals(NEW, x.getChild("added").getStatus());

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