本文整理了Java中org.apache.jackrabbit.oak.api.Tree.hasChild()方法的一些代码示例，展示了Tree.hasChild()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Tree.hasChild()方法的具体详情如下：
包路径：org.apache.jackrabbit.oak.api.Tree
类名称：Tree
方法名：hasChild

Tree.hasChild介绍

[英]Determine if a child of this Tree instance exists. If no child exists or an existing child isn't accessible this method returns false.
[中]确定此树实例的子实例是否存在。如果不存在子项或现有子项不可访问，则此方法返回false。

代码示例

代码示例来源：origin: apache/jackrabbit-oak

/**
 * Utility to determine if a given group has any members.
 *
 * @param groupTree The tree of the target group.
 * @return {@code true} if the group has any members i.e. if it has a rep:members
 * property or a rep:membersList child node.
 */
private static boolean hasMembers(@NotNull Tree groupTree) {
  return groupTree.getPropertyStatus(REP_MEMBERS) != null || groupTree.hasChild(REP_MEMBERS_LIST);
}

代码示例来源：origin: org.apache.jackrabbit/oak-core

/**
 * Utility to determine if a given group has any members.
 *
 * @param groupTree The tree of the target group.
 * @return {@code true} if the group has any members i.e. if it has a rep:members
 * property or a rep:membersList child node.
 */
private static boolean hasMembers(@NotNull Tree groupTree) {
  return groupTree.getPropertyStatus(REP_MEMBERS) != null || groupTree.hasChild(REP_MEMBERS_LIST);
}

代码示例来源：origin: apache/jackrabbit-oak

@Override
  public Collection<PermissionEntry> getEntries(@NotNull Tree accessControlledTree) {
    return (accessControlledTree.hasChild(AccessControlConstants.REP_POLICY)) ?
        getEntries(accessControlledTree.getPath()) :
        Collections.<PermissionEntry>emptyList();
  }
}

代码示例来源：origin: org.apache.jackrabbit/oak-core

@Override
public boolean hasNodeType(String name) throws RepositoryException {
  Tree types = getTypes();
  return types != null && types.hasChild(getOakName(name));
}

代码示例来源：origin: apache/jackrabbit-oak

private static Tree getOrCreateChild(Tree tree, String name){
  if (tree.hasChild(name)){
    return tree.getChild(name);
  }
  Tree child = tree.addChild(name);
  child.setOrderableChildren(true);
  child.setProperty(JCR_PRIMARYTYPE, NT_UNSTRUCTURED, NAME);
  return child;
}

代码示例来源：origin: apache/jackrabbit-oak

private static Tree getOrCreateChild(Tree tree, String name){
  if (tree.hasChild(name)){
    return tree.getChild(name);
  }
  Tree child = tree.addChild(name);
  child.setOrderableChildren(true);
  child.setProperty(JCR_PRIMARYTYPE, NT_UNSTRUCTURED, NAME);
  return child;
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void testHasChild() throws Exception {
  Tree rootTree = testRoot.getTree("/");
  assertTrue(rootTree.hasChild("a"));
  assertFalse(rootTree.hasChild(AccessControlConstants.REP_POLICY));
  Tree a = rootTree.getChild("a");
  assertTrue(a.hasChild("b"));
  assertFalse(a.hasChild("bb"));
  Tree b = a.getChild("b");
  assertTrue(b.hasChild("c"));
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void testAllowChild() throws Exception {
  Tree rootTree1 = testRoot1.getTree("/");
  Tree rootTree2 = testRoot2.getTree("/");
  assertFalse(rootTree1.hasChild("a/bb"));
  assertFalse(rootTree2.hasChild("a/bb"));
  // now allow read with root session
  setupPermission("/a/bb", testPrincipal, true, PrivilegeConstants.JCR_READ);
  // the test sessions still need to see the old ACLs
  assertFalse(rootTree1.hasChild("a/bb"));
  assertFalse(rootTree2.hasChild("a/bb"));
}

代码示例来源：origin: apache/jackrabbit-oak

@Override
public boolean matches(@NotNull Tree tree, @Nullable PropertyState property) {
  boolean match = false;
  // configured property name found on underlying jcr:content node has precedence
  if (tree.hasChild(JcrConstants.JCR_CONTENT)) {
    match = tree.getChild(JcrConstants.JCR_CONTENT).hasProperty(propertyName);
  }
  if (!match) {
    match = tree.hasProperty(propertyName);
  }
  return negate ? !match : match;
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void testGetBitsKnownPrivName() {
  when(privTree.exists()).thenReturn(true);
  when(privTree.hasChild(KNOWN_PRIV_NAME)).thenReturn(true);
  when(privTree.getChild(KNOWN_PRIV_NAME)).thenReturn(pTree);
  assertEquals(bits.unmodifiable(), bitsProvider.getBits(KNOWN_PRIV_NAME));
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void removeChild() throws CommitFailedException {
  Tree tree = root.getTree("/");
  assertTrue(tree.hasChild("x"));
  tree.getChild("x").remove();
  assertFalse(tree.hasChild("x"));
  root.commit();
  assertFalse(tree.hasChild("x"));
}

代码示例来源：origin: apache/jackrabbit-oak

private Tree createPath(String path){
  Tree base = root.getTree("/");
  for (String e : PathUtils.elements(path)){
    base = base.hasChild(e) ? base.getChild(e) : base.addChild(e);
  }
  return base;
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void testUnknownMember() throws Exception {
  importer.startChildInfo(createNodeInfo("memberRef", NT_REP_MEMBER_REFERENCES), ImmutableList.of(createPropInfo(REP_MEMBERS, unknownContentId)));
  importer.processReferences();
  // default importbehavior == IGNORE
  assertFalse(memberRefList.hasChild("memberRef"));
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void testMixedMembers() throws Exception {
  importer.startChildInfo(createNodeInfo("memberRef", NT_REP_MEMBER_REFERENCES), ImmutableList.of(createPropInfo(REP_MEMBERS, unknownContentId, knownMemberContentId)));
  importer.processReferences();
  assertFalse(memberRefList.hasChild("memberRef"));
}

代码示例来源：origin: apache/jackrabbit-oak

/**
   * Test asserting that {@link AuthorizableAction#onCreate(User, String, Root, NamePathMapper)}
   * is omitted upon calling {@link UserManager#createSystemUser(String, String)}.
   */
  @Test
  public void testOnCreateOmitted() throws Exception {
    User user = createUser(null);

    Tree t = root.getTree(user.getPath());
    assertFalse(t.hasChild(AccessControlConstants.REP_POLICY));
  }
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void addExistingChild() throws CommitFailedException {
  Tree tree = root.getTree("/");
  assertFalse(tree.hasChild("new"));
  tree.addChild("new");
  root.commit();
  assertTrue(tree.hasChild("new"));
  Tree added = tree.addChild("new");
  assertTrue(added.exists());
  assertEquals("new", added.getName());
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void testWriteInvalidRestrictions() throws Exception {
  PropertyState ps = PropertyStates.createProperty(REP_GLOB, valueFactory.createValue(false));
  Tree aceTree = getAceTree();
  restrictionProvider.writeRestrictions(testPath, aceTree, ImmutableSet.<Restriction>of(new RestrictionImpl(ps, false)));
  assertTrue(aceTree.hasChild(REP_RESTRICTIONS));
  Tree restr = aceTree.getChild(REP_RESTRICTIONS);
  assertEquals(ps, restr.getProperty(REP_GLOB));
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void testPropertiesCompletedClearsCache() throws Exception {
  Tree userTree = createUserTree();
  Tree cacheTree = userTree.addChild(CacheConstants.REP_CACHE);
  cacheTree.setProperty(JcrConstants.JCR_PRIMARYTYPE, CacheConstants.NT_REP_CACHE);
  importer.propertiesCompleted(cacheTree);
  assertFalse(cacheTree.exists());
  assertFalse(userTree.hasChild(CacheConstants.REP_CACHE));
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void testPolicyChild() throws Exception {
  assertTrue(root.getTree('/' + AccessControlConstants.REP_POLICY).exists());
  // 'testUser' must not have access to the policy node
  Tree rootTree = testRoot.getTree("/");
  assertFalse(rootTree.hasChild(AccessControlConstants.REP_POLICY));
  assertFalse(rootTree.getChild(AccessControlConstants.REP_POLICY).exists());
}

代码示例来源：origin: apache/jackrabbit-oak

@Test
public void testOnlySystemCreatesCache() throws Exception {
  Set<? extends Principal> principals = principalProvider.getPrincipals(getTestUser().getID());
  assertPrincipals(principals, EveryonePrincipal.getInstance(), testGroup.getPrincipal(), getTestUser().getPrincipal());
  root.refresh();
  Tree userTree = root.getTree(getTestUser().getPath());
  assertFalse(userTree.hasChild(CacheConstants.REP_CACHE));
}