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arangodb/arangod/VocBase/ExampleMatcher.h

130 lines
4.3 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief Class to allow simple byExample matching of mptr.
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Michael Hackstein
/// @author Copyright 2014-2015, ArangoDB GmbH, Cologne, Germany
/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGODB_EXAMPLE_MATCHER_H
#define ARANGODB_EXAMPLE_MATCHER_H 1
#include "v8.h"
#include "Utils/CollectionNameResolver.h"
#include "VocBase/document-collection.h"
// -----------------------------------------------------------------------------
// --SECTION-- forward declarations
// -----------------------------------------------------------------------------
struct TRI_doc_mptr_t;
class VocShaper;
// -----------------------------------------------------------------------------
// --SECTION-- Matching Method
// -----------------------------------------------------------------------------
namespace triagens {
namespace arango {
class ExampleMatcher {
struct DocumentId {
TRI_voc_cid_t cid;
std::string key;
DocumentId (TRI_voc_cid_t cid,
std::string const& key)
: cid(cid),
key(key) {
}
};
enum internalAttr {
key, id, rev, from, to
};
// Has no destructor.
// The using ExampleMatcher will free all pointers.
// Should not directly be used from outside.
struct ExampleDefinition {
std::map<internalAttr, DocumentId> _internal;
std::vector<TRI_shape_pid_t> _pids;
std::vector<TRI_shaped_json_t*> _values;
};
VocShaper* _shaper;
std::vector<ExampleDefinition> definitions;
void fillExampleDefinition (TRI_json_t const* example,
triagens::arango::CollectionNameResolver const* resolver,
ExampleDefinition& def);
void fillExampleDefinition (v8::Isolate* isolate,
v8::Handle<v8::Object> const& example,
v8::Handle<v8::Array> const& names,
size_t& n,
std::string& errorMessage,
ExampleDefinition& def);
public:
ExampleMatcher (v8::Isolate* isolate,
v8::Handle<v8::Object> const example,
VocShaper* shaper,
std::string& errorMessage);
ExampleMatcher (v8::Isolate* isolate,
v8::Handle<v8::Array> const examples,
VocShaper* shaper,
std::string& errorMessage);
ExampleMatcher (TRI_json_t const* example,
VocShaper* shaper,
triagens::arango::CollectionNameResolver const* resolver);
~ExampleMatcher () {
cleanup();
};
bool matches (TRI_voc_cid_t cid,
TRI_doc_mptr_t const* mptr) const;
private:
void cleanup ();
};
}
}
#endif
// -----------------------------------------------------------------------------
// --SECTION-- END-OF-FILE
// -----------------------------------------------------------------------------
// Local Variables:
// mode: outline-minor
// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"