@Override
public CdoSnapshot createObject(ResultSet resultSet) throws SQLException {
JsonObject json = new JsonObject();
json.add(COMMIT_METADATA, assembleCommitMetadata(resultSet));
json.add(STATE_NAME, jsonConverter.fromJsonToJsonElement(resultSet.getString(SNAPSHOT_STATE)));
json.add(CHANGED_NAME, assembleChangedPropNames(resultSet));
json.addProperty(TYPE_NAME, resultSet.getString(SNAPSHOT_TYPE));
if (providedGlobalId.isPresent()) {
json.add(GLOBAL_CDO_ID, jsonConverter.toJsonElement(providedGlobalId.get()));
} else {
json.add(GLOBAL_CDO_ID, assembleGlobalId(resultSet));
}
return jsonConverter.fromJson(json, CdoSnapshot.class);
}
public Commit createTerminalByGlobalId(String author, GlobalId removedId) {
Validate.argumentsAreNotNull(author, removedId);
Optional<CdoSnapshot> previousSnapshot = javersRepository.getLatest(removedId);
if (previousSnapshot.isEmpty()) {
throw new JaversException(
JaversExceptionCode.CANT_DELETE_OBJECT_NOT_FOUND, removedId.value());
}
CommitMetadata commitMetadata = nextCommit(author);
CdoSnapshot terminalSnapshot =
snapshotFactory.createTerminal(removedId, previousSnapshot.get(), commitMetadata);
Diff diff = diffFactory.singleTerminal(removedId, commitMetadata);
return new Commit(commitMetadata, Lists.asList(terminalSnapshot), diff);
}
public Commit create(String author, Object currentVersion) {
Validate.argumentsAreNotNull(author, currentVersion);
CommitMetadata commitMetadata = nextCommit(author);
LiveGraph currentGraph = liveGraphFactory.createLiveGraph(currentVersion);
ShadowGraph latestShadowGraph = graphSnapshotFacade.createLatestShadow(currentGraph);
// capture current state
List<CdoSnapshot> snapshots =
graphSnapshotFacade.createGraphSnapshot(currentGraph, latestShadowGraph, commitMetadata);
// do diff
Diff diff = diffFactory.create(latestShadowGraph, currentGraph, Optional.of(commitMetadata));
return new Commit(commitMetadata, snapshots, diff);
}
public CommitId getCommitHeadId() {
Optional<BigDecimal> maxCommitId = selectMaxCommitId();
return maxCommitId.isEmpty() ? null : CommitId.valueOf(maxCommitId.get());
}
/** never returns empty */
@Override
public Optional<Object> getWrappedCdo() {
return Optional.of(wrappedCdo);
}