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diff --git a/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/schema/schema.js b/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/schema/schema.js
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+++ b/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/examples/schema/schema.js
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+/**
+ * Module dependencies.
+ */
+
+var mongoose = require('../../lib'),
+    Schema = mongoose.Schema;
+
+/**
+ * Schema definition
+ */
+
+// recursive embedded-document schema
+
+var Comment = new Schema();
+
+Comment.add({
+  title: {
+    type: String,
+    index: true
+  },
+  date: Date,
+  body: String,
+  comments: [Comment]
+});
+
+var BlogPost = new Schema({
+  title: {
+    type: String,
+    index: true
+  },
+  slug: {
+    type: String,
+    lowercase: true,
+    trim: true
+  },
+  date: Date,
+  buf: Buffer,
+  comments: [Comment],
+  creator: Schema.ObjectId
+});
+
+var Person = new Schema({
+  name: {
+    first: String,
+    last: String
+  },
+  email: {
+    type: String,
+    required: true,
+    index: {
+      unique: true,
+      sparse: true
+    }
+  },
+  alive: Boolean
+});
+
+/**
+ * Accessing a specific schema type by key
+ */
+
+BlogPost.path('date')
+.default(function() {
+  return new Date();
+})
+.set(function(v) {
+  return v === 'now' ? new Date() : v;
+});
+
+/**
+ * Pre hook.
+ */
+
+BlogPost.pre('save', function(next, done) {
+  /* global emailAuthor */
+  emailAuthor(done); // some async function
+  next();
+});
+
+/**
+ * Methods
+ */
+
+BlogPost.methods.findCreator = function(callback) {
+  return this.db.model('Person').findById(this.creator, callback);
+};
+
+BlogPost.statics.findByTitle = function(title, callback) {
+  return this.find({title: title}, callback);
+};
+
+BlogPost.methods.expressiveQuery = function(creator, date, callback) {
+  return this.find('creator', creator).where('date').gte(date).run(callback);
+};
+
+/**
+ * Plugins
+ */
+
+function slugGenerator(options) {
+  options = options || {};
+  var key = options.key || 'title';
+
+  return function slugGenerator(schema) {
+    schema.path(key).set(function(v) {
+      this.slug = v.toLowerCase().replace(/[^a-z0-9]/g, '').replace(/-+/g, '');
+      return v;
+    });
+  };
+}
+
+BlogPost.plugin(slugGenerator());
+
+/**
+ * Define model.
+ */
+
+mongoose.model('BlogPost', BlogPost);
+mongoose.model('Person', Person);