bool RestEdgesHandler::getEdgesForVertex (std::string const& id,
std::vector<traverser::TraverserExpression*> const& expressions,
TRI_edge_direction_e direction,
SingleCollectionReadOnlyTransaction& trx,
triagens::basics::Json& result,
size_t& scannedIndex,
size_t& filtered) {
triagens::arango::traverser::VertexId start;
try {
start = triagens::arango::traverser::IdStringToVertexId (
trx.resolver(),
id
);
}
catch (triagens::basics::Exception& e) {
handleError(e);
return false;
}
TRI_document_collection_t* docCol = trx.trxCollection()->_collection->_collection;
std::vector<TRI_doc_mptr_copy_t>&& edges = TRI_LookupEdgesDocumentCollection(
docCol,
direction,
start.cid,
const_cast<char*>(start.key)
);
// generate result
result.reserve(edges.size());
scannedIndex += edges.size();
if (expressions.empty()) {
for (auto& e : edges) {
DocumentAccessor da(trx.resolver(), docCol, &e);
result.add(da.toJson());
}
}
else {
for (auto& e : edges) {
bool add = true;
// Expressions symbolize an and, so all have to be matched
for (auto& exp : expressions) {
if (exp->isEdgeAccess && ! exp->matchesCheck(e, docCol, trx.resolver())) {
++filtered;
add = false;
break;
}
}
if (add) {
DocumentAccessor da(trx.resolver(), docCol, &e);
result.add(da.toJson());
}
}
}
return true;
}
DistributeNode::DistributeNode (ExecutionPlan* plan,
triagens::basics::Json const& base)
: ExecutionNode(plan, base),
_vocbase(plan->getAst()->query()->vocbase()),
_collection(plan->getAst()->query()->collections()->get(JsonHelper::checkAndGetStringValue(base.json(), "collection"))),
_varId(JsonHelper::checkAndGetNumericValue<VariableId>(base.json(), "varId")),
_alternativeVarId(JsonHelper::checkAndGetNumericValue<VariableId>(base.json(), "alternativeVarId")),
_createKeys(JsonHelper::checkAndGetBooleanValue(base.json(), "createKeys")),
_allowKeyConversionToObject(JsonHelper::checkAndGetBooleanValue(base.json(), "allowKeyConversionToObject")) {
}
RemoteNode::RemoteNode (ExecutionPlan* plan,
triagens::basics::Json const& base)
: ExecutionNode(plan, base),
_vocbase(plan->getAst()->query()->vocbase()),
_collection(plan->getAst()->query()->collections()->get(JsonHelper::checkAndGetStringValue(base.json(), "collection"))),
_server(JsonHelper::checkAndGetStringValue(base.json(), "server")),
_ownName(JsonHelper::checkAndGetStringValue(base.json(), "ownName")),
_queryId(JsonHelper::checkAndGetStringValue(base.json(), "queryId")),
_isResponsibleForInitCursor(JsonHelper::checkAndGetBooleanValue(base.json(), "isResponsibleForInitCursor")) {
}
RangeInfo::RangeInfo (triagens::basics::Json const& json)
: _var(basics::JsonHelper::checkAndGetStringValue(json.json(), "variable")),
_attr(basics::JsonHelper::checkAndGetStringValue(json.json(), "attr")),
_valid(basics::JsonHelper::checkAndGetBooleanValue(json.json(), "valid")),
_defined(true),
_equality(basics::JsonHelper::checkAndGetBooleanValue(json.json(), "equality")) {
triagens::basics::Json jsonLowList = json.get("lows");
if (! jsonLowList.isList()) {
THROW_INTERNAL_ERROR("low attribute must be a list");
}
triagens::basics::Json jsonHighList = json.get("highs");
if (! jsonHighList.isList()) {
THROW_INTERNAL_ERROR("high attribute must be a list");
}
// If an exception is thrown from within these loops, then the
// vectors _low and _high will be destroyed properly, so no
// try/catch is needed.
for (size_t i = 0; i < jsonLowList.size(); i++) {
_lows.emplace_back(jsonLowList.at(static_cast<int>(i)));
}
for (size_t i = 0; i < jsonHighList.size(); i++) {
_highs.emplace_back(jsonHighList.at(static_cast<int>(i)));
}
_lowConst.assign(json.get("lowConst"));
_highConst.assign(json.get("highConst"));
}
UpsertNode::UpsertNode (ExecutionPlan* plan,
triagens::basics::Json const& base)
: ModificationNode(plan, base),
_inDocVariable(varFromJson(plan->getAst(), base, "inDocVariable")),
_insertVariable(varFromJson(plan->getAst(), base, "insertVariable")),
_updateVariable(varFromJson(plan->getAst(), base, "updateVariable")),
_isReplace(JsonHelper::checkAndGetBooleanValue(base.json(), "isReplace")) {
}
GatherNode::GatherNode (ExecutionPlan* plan,
triagens::basics::Json const& base,
SortElementVector const& elements)
: ExecutionNode(plan, base),
_elements(elements),
_vocbase(plan->getAst()->query()->vocbase()),
_collection(plan->getAst()->query()->collections()->get(JsonHelper::checkAndGetStringValue(base.json(), "collection"))) {
}
ScatterNode::ScatterNode (ExecutionPlan* plan,
triagens::basics::Json const& base)
: ExecutionNode(plan, base),
_vocbase(plan->getAst()->query()->vocbase()),
_collection(plan->getAst()->query()->collections()->get(JsonHelper::checkAndGetStringValue(base.json(), "collection"))) {
}
ModificationNode::ModificationNode (ExecutionPlan* plan,
triagens::basics::Json const& base)
: ExecutionNode(plan, base),
_vocbase(plan->getAst()->query()->vocbase()),
_collection(plan->getAst()->query()->collections()->get(JsonHelper::checkAndGetStringValue(base.json(), "collection"))),
_options(base),
_outVariableOld(varFromJson(plan->getAst(), base, "outVariableOld", Optional)),
_outVariableNew(varFromJson(plan->getAst(), base, "outVariableNew", Optional)) {
TRI_ASSERT(_vocbase != nullptr);
TRI_ASSERT(_collection != nullptr);
}
Variable::Variable (triagens::basics::Json const& json)
: Variable(JsonHelper::checkAndGetStringValue(json.json(), "name"), JsonHelper::checkAndGetNumericValue<VariableId>(json.json(), "id")) {
}
Expression::Expression (Ast* ast,
triagens::basics::Json const& json)
: Expression(ast, new AstNode(ast, json.get("expression"))) {
}