hydrate-mongodb - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

package.json

 {
   "name": "hydrate-mongodb",
   "description": "An Object Document Mapper (ODM) for MongoDB.",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "author": {
@@ -6,0 +6,0 @@ "name": "Artifact Health, LLC",

session.d.ts

@@ -65,2 +65,10 @@ import { EventEmitter } from "events";
     /**
+     * Check by identifier if an entity exists.
+     * @param ctr The constructor for the entity to find.
+     * @param id The identifier for the entity.
+     * @param callback Called with a boolean indicating if an entity with exists or not. Note that if an entity is pending removal then the
+     * value will be false.
+     */
+    exists<T>(ctr: Constructor<T>, id: any, callback: ResultCallback<boolean>): void;
+    /**
      * Gets a reference to an entity without making a request to the database.
@@ -175,2 +183,3 @@ * @param ctr The constructor for the entity.
     find<T>(ctr: Constructor<T>, id: any, callback?: ResultCallback<T>): FindOneQuery<T>;
+    exists<T>(ctr: Constructor<T>, id: any, callback: ResultCallback<boolean>): void;
     fetch<T>(obj: T, pathsOrCallback: any, callback?: ResultCallback<T>): void;
@@ -177,0 +186,0 @@ close(callback?: Callback): void;

session.js

@@ -81,2 +81,22 @@ "use strict";
     };
+    SessionImpl.prototype.exists = function (ctr, id, callback) {
+        // check the identity map for the identifier
+        var obj = this.getObject(id);
+        // if we get an object back then entity is managed
+        if (obj) {
+            process.nextTick(function () { return callback(null, true); });
+            return;
+        }
+        // if null then entity is pending removal
+        if (obj === null) {
+            process.nextTick(function () { return callback(null, false); });
+            return;
+        }
+        // otherwise, check the database
+        this.query(ctr).count({ _id: id }, function (err, count) {
+            if (err)
+                return callback(err);
+            callback(null, count >= 0);
+        });
+    };
     SessionImpl.prototype.fetch = function (obj, pathsOrCallback, callback) {
@@ -83,0 +103,0 @@ var paths;

No alert changes

Improved metrics

Total package byte prevSize

398782

increased by0.32%

Lines of code

9575

increased by0.3%

No dependency changes