How to use

org.apache.jackrabbit.oak.plugins.index.property.strategy.UniqueEntryStoreStrategy

constructor

private static IndexStoreStrategy newUniqueStrategy(String defaultName) {
  if (INDEX_CONTENT_NODE_NAME.equals(defaultName)) {
    return UNIQUE;
  } else {
    return new UniqueEntryStoreStrategy(defaultName);
  }
}

private static IndexStoreStrategy newUniqueStrategy(String defaultName) {
  if (INDEX_CONTENT_NODE_NAME.equals(defaultName)) {
    return UNIQUE;
  } else {
    return new UniqueEntryStoreStrategy(defaultName);
  }
}

private static IndexStoreStrategy newUniqueStrategy(String defaultName) {
  if (INDEX_CONTENT_NODE_NAME.equals(defaultName)) {
    return UNIQUE;
  } else {
    return new UniqueEntryStoreStrategy(defaultName);
  }
}

private static Iterable<String> queryUnique(Filter filter, String indexName, NodeState propIndexRootNode,
                      String propIdxNodeName, Set<String> values) {
  UniqueEntryStoreStrategy s = new UniqueEntryStoreStrategy(propIdxNodeName);
  return s.query(filter, indexName, propIndexRootNode, values);
}

private static Iterable<String> queryUnique(Filter filter, String indexName, NodeState propIndexRootNode,
                      String propIdxNodeName, Set<String> values) {
  UniqueEntryStoreStrategy s = new UniqueEntryStoreStrategy(propIdxNodeName);
  return s.query(filter, indexName, propIndexRootNode, values);
}

  private StrategyWrapper getWrapper(Entry<Mount, NodeState> indexEntry, String indexName, Context ctx) {
    NodeState indexNode = indexEntry.getValue();
    Mount mount = indexEntry.getKey();
    MountedNodeStore mountedNodeStore = ctx.mountedNodeStoresByName.get(mount.getName());
    
    UniqueEntryStoreStrategy strategy = mount.isDefault() ? new UniqueEntryStoreStrategy() : 
      new UniqueEntryStoreStrategy(Multiplexers.getNodeForMount(mount, INDEX_CONTENT_NODE_NAME));
    
    return new StrategyWrapper(strategy, indexNode.getChildNode(indexName), indexName, mountedNodeStore);
  }
}

private static IndexStoreStrategy newStrategy(boolean unique,
    boolean defaultMount, String name, Mount m) {
  Predicate<String> filter = newFilter(m);
  boolean readOnly = unique && !m.isDefault() && RO_PRIVATE_UNIQUE_INDEX;
  return unique ? new FilteringIndexStoreStrategy(
      new UniqueEntryStoreStrategy(name), filter, readOnly)
      : new FilteringIndexStoreStrategy(
          new ContentMirrorStoreStrategy(name), filter);
}

private static IndexStoreStrategy newStrategy(boolean unique,
    boolean defaultMount, String name, Mount m) {
  Predicate<String> filter = newFilter(m);
  boolean readOnly = unique && !m.isDefault() && RO_PRIVATE_UNIQUE_INDEX;
  return unique ? new FilteringIndexStoreStrategy(
      new UniqueEntryStoreStrategy(name), filter, readOnly)
      : new FilteringIndexStoreStrategy(
          new ContentMirrorStoreStrategy(name), filter);
}

private static IndexStoreStrategy newStrategy(boolean unique,
    boolean defaultMount, String name, Mount m) {
  Predicate<String> filter = newFilter(m);
  boolean readOnly = unique && !m.isDefault() && RO_PRIVATE_UNIQUE_INDEX;
  return unique ? new FilteringIndexStoreStrategy(
      new UniqueEntryStoreStrategy(name), filter, readOnly)
      : new FilteringIndexStoreStrategy(
          new ContentMirrorStoreStrategy(name), filter);
}

UniqueEntryStoreStrategy s = new UniqueEntryStoreStrategy(INDEX_CONTENT_NODE_NAME,
    (nb) -> nb.setProperty(PROP_CREATED, updateTime));
s.update(ofInstance(indexNode),

UniqueEntryStoreStrategy s = new UniqueEntryStoreStrategy(INDEX_CONTENT_NODE_NAME,
    (nb) -> nb.setProperty(PROP_CREATED, updateTime));
s.update(ofInstance(indexNode),

  @Test
  public void callbackInvoked() throws Exception{
    AtomicBoolean callbackInvoked = new AtomicBoolean();
    store = new UniqueEntryStoreStrategy(INDEX_CONTENT_NODE_NAME, (nb) -> callbackInvoked.set(true));

    indexName = "foo";

    NodeState root = EMPTY_NODE;
    indexMeta = root.builder();
    Supplier<NodeBuilder> index = memoize(() -> indexMeta.child(INDEX_CONTENT_NODE_NAME));
    store.update(index, "/some/node1", null, null, EMPTY, newHashSet("key1"));

    assertTrue(callbackInvoked.get());
  }
}

@Before
public void fillIndex() throws Exception {
  
  store = new UniqueEntryStoreStrategy();
  
  indexName = "foo";
  
  NodeState root = EMPTY_NODE;
  indexMeta = root.builder();
  Supplier<NodeBuilder> index = memoize(() -> indexMeta.child(INDEX_CONTENT_NODE_NAME));
  store.update(index, "/some/node1", null, null, EMPTY, newHashSet("key1"));
  store.update(index, "/some/node2", null, null, EMPTY, newHashSet("key2"));
}