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


        Tree principalRoot = getPrincipalRoot(EveryonePrincipal.NAME);
        assertEquals(2, cntEntries(principalRoot));


        ContentSession testSession = createTestSession();
        Root testRoot = testSession.getLatestRoot();


        assertTrue(testRoot.getTree(childPath).exists());
        assertFalse(testRoot.getTree(childPath + "/rep:policy").exists());


        testRoot.getTree(childPath).remove();
        testRoot.commit();
        testSession.close();


        root.refresh();
        assertFalse(root.getTree(testPath).hasChild("childNode"));
        assertFalse(root.getTree(childPath + "/rep:policy").exists());

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    @Test
    public void testGetTree() throws Exception {
        setupPermission("/", testPrincipal, true, PrivilegeConstants.JCR_READ);
        setupPermission("/a/bb", testPrincipal, false, PrivilegeConstants.JCR_READ);


        Root testRoot = getTestRoot();


        List<String> accessible = ImmutableList.of("/", "/a", "/a/b", "/a/b/c");
        for (String path : accessible) {
            assertTrue(testRoot.getTree(path).exists());
        }


        assertFalse(testRoot.getTree("/a/bb").exists());
    }

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    public void testGetTree2() throws Exception {
        setupPermission("/a", testPrincipal, true, PrivilegeConstants.JCR_READ);
        setupPermission("/a/b", testPrincipal, false, PrivilegeConstants.JCR_READ);
        setupPermission("/a/b/c", testPrincipal, true, PrivilegeConstants.JCR_READ);


        Root testRoot = getTestRoot();


        List<String> notAccessible = ImmutableList.of("/", "/a/b");
        for (String path : notAccessible) {
            assertFalse(path, testRoot.getTree(path).exists());
        }


        List<String> accessible = ImmutableList.of("/a", "/a/bb", "/a/b/c");
        for (String path : accessible) {
            assertTrue(path, testRoot.getTree(path).exists());
        }
    }

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    @Test
    public void testGetNodeLocation() throws Exception {
        setupPermission("/", testPrincipal, true, PrivilegeConstants.REP_READ_NODES);
        setupPermission("/a/bb", testPrincipal, false, PrivilegeConstants.REP_READ_NODES);


        Root testRoot = getTestRoot();


        List<String> accessible = ImmutableList.of("/", "/a", "/a/b", "/a/b/c");
        for (String path : accessible) {
            Tree tree = testRoot.getTree(path);
            assertNotNull(tree);
            assertTrue(tree.exists());
        }


        Tree tree = testRoot.getTree("/a/bb");
        assertNotNull(tree);
        assertFalse(tree.exists());
    }

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    public void testGetNodeLocation2() throws Exception {
        setupPermission("/a", testPrincipal, true, PrivilegeConstants.REP_READ_NODES);
        setupPermission("/a/b", testPrincipal, false, PrivilegeConstants.REP_READ_NODES);
        setupPermission("/a/b/c", testPrincipal, true, PrivilegeConstants.REP_READ_NODES);


        Root testRoot = getTestRoot();


        List<String> notAccessible = ImmutableList.of("/", "/a/b");
        for (String path : notAccessible) {
            Tree tree = testRoot.getTree(path);
            assertNotNull(path, tree);
            assertFalse(tree.exists());
        }


        List<String> accessible = ImmutableList.of("/a", "/a/bb", "/a/b/c");
        for (String path : accessible) {
            Tree tree = testRoot.getTree(path);
            assertNotNull(path, tree);
            assertTrue(tree.exists());
        }
    }

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    @Test
    public void testGetNodeLocation3() throws Exception {
        // only property reading is allowed
        setupPermission("/", testPrincipal, true, PrivilegeConstants.REP_READ_PROPERTIES);


        Root testRoot = getTestRoot();


        List<String> notAccessible = ImmutableList.of("/", "/a", "/a/b", "/a/bb", "/a/b/c");
        for (String path : notAccessible) {
            Tree tree = testRoot.getTree(path);
            assertNotNull(path, tree);
            assertFalse(tree.exists());
        }
    }

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    @Test
    public void testGetPropertyLocation() throws Exception {
        setupPermission("/", testPrincipal, true, PrivilegeConstants.JCR_READ);


        Root testRoot = getTestRoot();


        List<String> accessible = ImmutableList.of("/", "/a", "/a/b", "/a/bb", "/a/b/c");
        for (String path : accessible) {
            String propertyPath = PathUtils.concat(path, JcrConstants.JCR_PRIMARYTYPE);
            PropertyState property = testRoot.getTree(path).getProperty(JcrConstants.JCR_PRIMARYTYPE);
            assertNotNull(propertyPath, property);
        }


        List<String> propPaths = ImmutableList.of("/a/aProp", "/a/b/bProp", "/a/bb/bbProp", "/a/b/c/cProp");
        for (String path : propPaths) {
            PropertyState property = testRoot.getTree(PathUtils.getParentPath(path)).getProperty(PathUtils.getName(path));
            assertNotNull(path, property);
        }
    }

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    @Test
    public void testGetPropertyLocation2() throws Exception {
        setupPermission("/", testPrincipal, true, PrivilegeConstants.REP_READ_PROPERTIES);


        Root testRoot = getTestRoot();


        List<String> accessible = ImmutableList.of("/", "/a", "/a/b", "/a/bb", "/a/b/c");
        for (String path : accessible) {
            String propertyPath = PathUtils.concat(path, JcrConstants.JCR_PRIMARYTYPE);
            PropertyState property = testRoot.getTree(path).getProperty(JcrConstants.JCR_PRIMARYTYPE);
            assertNotNull(propertyPath, property);
        }


        List<String> propPaths = ImmutableList.of("/a/aProp", "/a/b/bProp", "/a/bb/bbProp", "/a/b/c/cProp");
        for (String path : propPaths) {
            PropertyState property = testRoot.getTree(PathUtils.getParentPath(path)).getProperty(PathUtils.getName(path));
            assertNotNull(path, property);
        }
    }

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    public void testGetPropertyLocation3() throws Exception {
        setupPermission("/a", testPrincipal, true, PrivilegeConstants.REP_READ_PROPERTIES);
        setupPermission("/a/b", testPrincipal, false, PrivilegeConstants.REP_READ_PROPERTIES);
        setupPermission("/a/b/c", testPrincipal, true, PrivilegeConstants.REP_READ_PROPERTIES);


        Root testRoot = getTestRoot();


        List<String> accessible = ImmutableList.of("/a/aProp", "/a/bb/bbProp", "/a/b/c/cProp");
        for (String path : accessible) {
            PropertyState property = testRoot.getTree(PathUtils.getParentPath(path)).getProperty(PathUtils.getName(path));
            assertNotNull(path, property);
        }


        List<String> notAccessible = ImmutableList.of("/jcr:primaryType", "/a/b/bProp");
        for (String path : notAccessible) {
            PropertyState property = testRoot.getTree(PathUtils.getParentPath(path)).getProperty(PathUtils.getName(path));
            assertNull(path, property);
        }
    }

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    public void testShadowInvisibleNode() throws Exception {
        setupPermission("/a", testPrincipal, true, PrivilegeConstants.JCR_ALL);
        setupPermission("/a/b", testPrincipal, false, PrivilegeConstants.JCR_ALL);
        setupPermission("/a/b/c", testPrincipal, true, PrivilegeConstants.JCR_ALL);


        Root testRoot = getTestRoot();
        Tree a = testRoot.getTree("/a");


        // /b not visible to this session
        assertFalse(a.hasChild("b"));


        // shadow /b with transient node of the same name
        Tree b = a.addChild("b");
        assertTrue(a.hasChild("b"));
        assertFalse(b.hasChild("c"));


        try {
            testRoot.commit();
            fail();
        } catch (CommitFailedException e) {
            assertTrue(e.isAccessViolation());
        }
    }

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