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92 lines
3 KiB
C++
92 lines
3 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "$Id$"
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/*======
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This file is part of PerconaFT.
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Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License, version 3,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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======= */
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#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
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#pragma once
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#include "ft/txn/txn.h"
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#include "util/omt.h"
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namespace toku {
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class txnid_set {
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public:
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// effect: Creates an empty set. Does not malloc space for
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// any entries yet. That is done lazily on add().
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void create(void);
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// effect: Destroy the set's internals.
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void destroy(void);
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// returns: True if the given txnid is a member of the set.
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bool contains(TXNID id) const;
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// effect: Adds a given txnid to the set if it did not exist
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void add(TXNID txnid);
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// effect: Deletes a txnid from the set if it exists.
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void remove(TXNID txnid);
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// returns: Size of the set
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size_t size(void) const;
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// returns: The "i'th" id in the set, as if it were sorted.
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TXNID get(size_t i) const;
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private:
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toku::omt<TXNID> m_txnids;
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friend class txnid_set_unit_test;
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};
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ENSURE_POD(txnid_set);
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} /* namespace toku */
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