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Diffstat (limited to 'common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/population/population-of-multiple-existing-docs.js')
-rw-r--r-- | common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/population/population-of-multiple-existing-docs.js | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/population/population-of-multiple-existing-docs.js b/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/population/population-of-multiple-existing-docs.js new file mode 100644 index 0000000..61b4e85 --- /dev/null +++ b/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/population/population-of-multiple-existing-docs.js @@ -0,0 +1,124 @@ + +var mongoose = require('../../lib'); +var Schema = mongoose.Schema; + +console.log('Running mongoose version %s', mongoose.version); + +/** + * Console schema + */ + +var consoleSchema = Schema({ + name: String, + manufacturer: String, + released: Date +}); +var Console = mongoose.model('Console', consoleSchema); + +/** + * Game schema + */ + +var gameSchema = Schema({ + name: String, + developer: String, + released: Date, + consoles: [{ + type: Schema.Types.ObjectId, + ref: 'Console' + }] +}); +var Game = mongoose.model('Game', gameSchema); + +/** + * Connect to the console database on localhost with + * the default port (27017) + */ + +mongoose.connect('mongodb://localhost/console', function(err) { + // if we failed to connect, abort + if (err) throw err; + + // we connected ok + createData(); +}); + +/** + * Data generation + */ + +function createData() { + Console.create( + { + name: 'Nintendo 64', + manufacturer: 'Nintendo', + released: 'September 29, 1996' + }, + { + name: 'Super Nintendo', + manufacturer: 'Nintendo', + released: 'August 23, 1991' + }, + function(err, nintendo64, superNintendo) { + if (err) return done(err); + + Game.create( + { + name: 'Legend of Zelda: Ocarina of Time', + developer: 'Nintendo', + released: new Date('November 21, 1998'), + consoles: [nintendo64] + }, + { + name: 'Mario Kart', + developer: 'Nintendo', + released: 'September 1, 1992', + consoles: [superNintendo] + }, + function(err) { + if (err) return done(err); + example(); + } + ); + } + ); +} + +/** + * Population + */ + +function example() { + Game + .find({}) + .exec(function(err, games) { + if (err) return done(err); + + console.log('found %d games', games.length); + + var options = {path: 'consoles', select: 'name released -_id'}; + Game.populate(games, options, function(err, games) { + if (err) return done(err); + + games.forEach(function(game) { + console.log( + '"%s" was released for the %s on %s', + game.name, + game.consoles[0].name, + game.released.toLocaleDateString() + ); + }); + + done(); + }); + }); +} + +function done(err) { + if (err) console.error(err); + Console.remove(function() { + Game.remove(function() { + mongoose.disconnect(); + }); + }); +} |