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78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
// introspect.h
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// system management stuff.
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/**
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* Copyright (C) 2008 10gen Inc.
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*
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* This program 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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*
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* This program 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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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "../stdafx.h"
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#include "jsobj.h"
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#include "pdfile.h"
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namespace mongo {
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auto_ptr<Cursor> getSpecialCursor(const char *ns);
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class SingleResultObjCursor : public Cursor {
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int i;
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protected:
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BSONObjBuilder b;
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void reg(const char *as); /* register as a certain namespace */
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public:
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SingleResultObjCursor() {
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i = 0;
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}
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virtual bool ok() {
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return i == 0;
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}
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virtual Record* _current() {
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assert(false);
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return 0;
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}
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virtual DiskLoc currLoc() {
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assert(false);
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return DiskLoc();
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}
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virtual void fill() = 0;
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virtual BSONObj current() {
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assert(i == 0);
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fill();
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return b.done();
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}
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virtual bool advance() {
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i++;
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return false;
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}
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virtual string toString() {
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return "SingleResultObjCursor";
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}
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};
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/* --- profiling --------------------------------------------
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do when database->profile is set
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*/
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void profile(const char *str,
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int millis);
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} // namespace mongo
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