NodeDocument extends Document { boolean isConflicting(@NotNull UpdateOp op, @NotNull RevisionVector baseRevision, @NotNull Revision commitRevision, boolean enableConcurrentAddRemove) { Map<Revision, String> deleted = getLocalDeleted(); boolean allowConflictingDeleteChange = enableConcurrentAddRemove && allowConflictingDeleteChange(op); for (Map.Entry<Revision, String> entry : deleted.entrySet()) { if (entry.getKey().equals(commitRevision)) { continue; } if (baseRevision.isRevisionNewer(entry.getKey())) { boolean newerDeleted = Boolean.parseBoolean(entry.getValue()); if (!allowConflictingDeleteChange || op.isDelete() != newerDeleted) { return true; } } } for (Map.Entry<Key, Operation> entry : op.getChanges().entrySet()) { if (entry.getValue().type != Operation.Type.SET_MAP_ENTRY) { continue; } String name = entry.getKey().getName(); if (DELETED.equals(name) && !allowConflictingDeleteChange) { return true; } if (!Utils.isPropertyName(name)) { continue; } for (Revision rev : getChanges(name, baseRevision)) { if (rev.equals(commitRevision)) { continue; } if (baseRevision.isRevisionNewer(rev)) { return true; } } } return false; } NodeDocument(@NotNull DocumentStore store);  NodeDocument(@NotNull DocumentStore store, long creationTime); static long getModifiedInSecs(long timestamp); @NotNull Map<Revision, String> getValueMap(@NotNull String key); long getCreated(); @Nullable Long getModified(); boolean hasChildren(); boolean wasDeletedOnce(); boolean hasBeenModifiedSince(long lastModifiedTime); boolean hasAllRevisionLessThan(long maxRevisionTime); boolean isSplitDocument(); SplitDocType getSplitDocType(); void markUpToDate(long checkTime); long getLastCheckTime(); boolean hasBinary(); @NotNull Path getMainPath(); @NotNull Map<Integer, Revision> getLastRev(); boolean containsRevision(@NotNull Revision revision); @Nullable Path getCommitRootPath(Revision revision); @Nullable DocumentNodeState getNodeAtRevision(@NotNull DocumentNodeStore nodeStore,
                                               @NotNull RevisionVector readRevision,
                                               @Nullable Revision lastModified); @Nullable Revision getLiveRevision(RevisionContext context,
                                    RevisionVector readRevision,
                                    Map<Revision, String> validRevisions,
                                    LastRevs lastRevs); @NotNull Iterable<UpdateOp> split(@NotNull RevisionContext context,
                                    @NotNull RevisionVector head,
                                    @NotNull Function<String, Long> binarySize); @NotNull Set<Revision> getLocalBranchCommits(); static void setChildrenFlag(@NotNull UpdateOp op,
                                       boolean hasChildNode); static void setModified(@NotNull UpdateOp op,
                                   @NotNull Revision revision); static void setRevision(@NotNull UpdateOp op,
                                   @NotNull Revision revision,
                                   @NotNull String commitValue); static void unsetRevision(@NotNull UpdateOp op,
                                     @NotNull Revision revision); static boolean isRevisionsEntry(String name); static boolean isCommitRootEntry(String name); static boolean isDeletedEntry(String name); static boolean isLastRevEntry(String name); static void removeRevision(@NotNull UpdateOp op,
                                      @NotNull Revision revision); static void addCollision(@NotNull UpdateOp op,
                                    @NotNull Revision revision,
                                    @NotNull Revision other); static void removeCollision(@NotNull UpdateOp op,
                                       @NotNull Revision revision); static void setLastRev(@NotNull UpdateOp op,
                                  @NotNull Revision revision); static void setCommitRoot(@NotNull UpdateOp op,
                                     @NotNull Revision revision,
                                     int commitRootDepth); static void removeCommitRoot(@NotNull UpdateOp op,
                                        @NotNull Revision revision); static void unsetCommitRoot(@NotNull UpdateOp op,
                                       @NotNull Revision revision); static void setDeleted(@NotNull UpdateOp op,
                                  @NotNull Revision revision,
                                  boolean deleted); static void setDeletedOnce(@NotNull UpdateOp op); static void removeDeleted(@NotNull UpdateOp op,
                                     @NotNull Revision revision); static void setPrevious(@NotNull UpdateOp op,
                                   @NotNull Range range); static void removePrevious(@NotNull UpdateOp op,
                                      @NotNull Range range); static void removePrevious(@NotNull UpdateOp op,
                                      @NotNull Revision revision); static void setStalePrevious(@NotNull UpdateOp op,
                                        @NotNull Revision revision,
                                        int height); static void removeStalePrevious(@NotNull UpdateOp op,
                                           @NotNull Revision revision); static void setHasBinary(@NotNull UpdateOp op); static void setBranchCommit(@NotNull UpdateOp op,
                                       @NotNull Revision revision); static void removeBranchCommit(@NotNull UpdateOp op,
                                          @NotNull Revision revision); static void setSweepRevision(@NotNull UpdateOp op,
                                        @NotNull Revision revision); static void hasLastRev(@NotNull UpdateOp op,
                                  @NotNull Revision revision); @NotNull Path getPath(); String asString(); static NodeDocument fromString(DocumentStore store, String s); static final NodeDocument NULL; static final String MIN_ID_VALUE; static final String MAX_ID_VALUE; static final String COLLISIONS; static final String MODIFIED_IN_SECS; static final String DELETED_ONCE; static final String PATH; static final String HAS_BINARY_FLAG; static final String SD_TYPE; static final String SD_MAX_REV_TIME_IN_SECS; static final long HAS_BINARY_VAL; }
@Test public void isConflicting() throws Exception { final int numChanges = 200; final Set<String> prevDocCalls = newHashSet(); MemoryDocumentStore store = new MemoryDocumentStore() { @Override public <T extends Document> T find(Collection<T> collection, String key) { if (Utils.getPathFromId(key).startsWith("p")) { prevDocCalls.add(key); } return super.find(collection, key); } }; DocumentNodeStore ns = createTestStore(store, 0, numChanges); NodeDocument doc = getRootDocument(store); Map<Revision, String> valueMap = doc.getValueMap("p"); assertEquals(200, valueMap.size()); RevisionVector baseRev = new RevisionVector(valueMap.keySet().iterator().next()); Revision commitRev = ns.newRevision(); UpdateOp op = new UpdateOp(Utils.getIdFromPath("/"), false); op.setMapEntry("p", commitRev, "v"); prevDocCalls.clear(); assertFalse(doc.isConflicting(op, baseRev, commitRev, false)); assertTrue("too many calls for previous documents: " + prevDocCalls, prevDocCalls.size() <= 6); ns.dispose(); }