delete

Author: rachel-mack

source/crud/write-operations/bulk.txt

@@ -364,22 +364,20 @@ BulkWrite Example File
 ~~~~~~~~~~~~~~~~~~~~~~
 
 This code example is a complete, standalone file that performs an ordered bulk
-write operation. It uses the  on the ``movies`` collection in the
+write operation. It uses the ``movies`` collection in the
 ``sample_mflix`` database included in the :atlas:`sample datasets
 </sample-data?jmp=docs_driver_java>` provided by Atlas. You can load them into
 your database on the free tier of MongoDB Atlas by following the :atlas:`Get
 Started with Atlas Guide </getting-started/#atlas-getting-started?jmp=docs_driver_java>`
 
-.. include:: /includes/sample-data-note.rst
-
 This example call to ``bulkWrite()`` includes examples of the ``InsertOneModel``,
 ``UpdateOneModel``, ``DeleteOneModel``, and ``ReplaceOneModel``. 
 
 .. include:: /includes/connect-guide-note.rst
 
 .. io-code-block::
 
-   .. input:: /includes/usage-examples/code-snippets/BulkWrite.java
+   .. input:: /includes/crud/BulkWrite.java
       :language: java
       :dedent:
 

source/crud/write-operations/delete.txt

@@ -1,4 +1,5 @@
 .. _java-fundamentals-delete:
+.. _java-usage-deletemany:
 
 ================
 Delete Documents
@@ -147,14 +148,54 @@ collection:
     { "_id": 1, "color": "red", "qty": 5 }
     { "_id": 8, "color": "black", "qty": 8 }
 
+Delete Example File
+-------------------
+
+This code example is a complete, standalone file that performs a delete one
+operation and a delete many operation. It uses the ``movies`` collection in the
+``sample_mflix`` database included in the :atlas:`sample datasets
+</sample-data?jmp=docs_driver_java>` provided by Atlas. You can load them into
+your database on the free tier of MongoDB Atlas by following the :atlas:`Get
+Started with Atlas Guide </getting-started/#atlas-getting-started?jmp=docs_driver_java>`
+
+This example used the ``eq()`` and ``lt()`` filters to query documents. For more
+information about filters, see the `Filters Class
+<{+api+}/apidocs/mongodb-driver-core/com/mongodb/client/model/Filters.html>`__
+API documentation.
+
+.. include:: /includes/connect-guide-note.rst
+
+.. io-code-block::
+
+   .. input:: /includes/crud/Delete.java
+      :language: java
+      :dedent:
+
+   .. output:: 
+      :language: none
+      :visible: false
+
+      DeleteOne document count: 1
+      DeleteMany document count: 4
+
+More Information
+----------------
+
 For more information about the methods and classes mentioned in this guide,
 see the following resources:
 
-- `deleteOne() <{+api+}/apidocs/mongodb-driver-sync/com/mongodb/client/MongoCollection.html#deleteOne(org.bson.conversions.Bson)>`__ API Documentation 
-- `deleteMany() <{+api+}/apidocs/mongodb-driver-sync/com/mongodb/client/MongoCollection.html#deleteMany(org.bson.conversions.Bson)>`__ API Documentation
-- `findOneAndDelete() <{+api+}/apidocs/mongodb-driver-sync/com/mongodb/client/MongoCollection.html#findOneAndDelete(org.bson.conversions.Bson)>`__ API Documentation
-- `DeleteOptions <{+api+}/apidocs/mongodb-driver-core/com/mongodb/client/model/DeleteOptions.html>`__ API Documentation
-- `FindOneAndDeleteOptions <{+api+}/apidocs/mongodb-driver-core/com/mongodb/client/model/FindOneAndDeleteOptions.html>`__ API Documentation
-- :manual:`db.collection.deleteOne() </reference/method/db.collection.deleteMany/>` Server Manual Entry
-- :manual:`db.collection.deleteMany() </reference/method/db.collection.deleteOne/>` Server Manual Entry
-- :manual:`db.collection.findOneAndDelete() </reference/method/db.collection.findOneAndDelete/>` Server Manual Entry
+API Documentation
+~~~~~~~~~~~~~~~~~
+
+- `deleteOne() <{+api+}/apidocs/mongodb-driver-sync/com/mongodb/client/MongoCollection.html#deleteOne(org.bson.conversions.Bson)>`__  
+- `deleteMany() <{+api+}/apidocs/mongodb-driver-sync/com/mongodb/client/MongoCollection.html#deleteMany(org.bson.conversions.Bson)>`__ 
+- `findOneAndDelete() <{+api+}/apidocs/mongodb-driver-sync/com/mongodb/client/MongoCollection.html#findOneAndDelete(org.bson.conversions.Bson)>`__ 
+- `DeleteOptions <{+api+}/apidocs/mongodb-driver-core/com/mongodb/client/model/DeleteOptions.html>`__ 
+- `FindOneAndDeleteOptions <{+api+}/apidocs/mongodb-driver-core/com/mongodb/client/model/FindOneAndDeleteOptions.html>`__ 
+
+Server Manual Entries
+~~~~~~~~~~~~~~~~~~~~~
+
+- :manual:`db.collection.deleteOne() </reference/method/db.collection.deleteMany/>`
+- :manual:`db.collection.deleteMany() </reference/method/db.collection.deleteOne/>`
+- :manual:`db.collection.findOneAndDelete() </reference/method/db.collection.findOneAndDelete/>`

source/includes/usage-examples/code-snippets/DeleteOne.java renamed to source/includes/crud/Delete.java

@@ -25,17 +25,31 @@ public static void main(String[] args) {
             MongoDatabase database = mongoClient.getDatabase("sample_mflix");
             MongoCollection<Document> collection = database.getCollection("movies");
 
-            Bson query = eq("title", "The Garbage Pail Kids Movie");
+            Bson deleteOneQuery = eq("title", "The Garbage Pail Kids Movie");
 
             try {
                 // Deletes the first document that has a "title" value of "The Garbage Pail Kids Movie"
-                DeleteResult result = collection.deleteOne(query);
-                System.out.println("Deleted document count: " + result.getDeletedCount());
+                DeleteResult deleteOneResult = collection.deleteOne(deleteOneQuery);
+                System.out.println("Deleted document count: " + deleteOneResult.getDeletedCount());
 
             // Prints a message if any exceptions occur during the operation
             } catch (MongoException me) {
                 System.err.println("Unable to delete due to an error: " + me);
             }
+
+            Bson deleteManyQuery = lt("imdb.rating", 1.9);
+
+            try {
+                // Deletes all documents that have an "imdb.rating" value less than 1.9
+                DeleteResult deleteManyResult = collection.deleteMany(deleteManyQuery);
+                
+                // Prints the number of deleted documents
+                System.out.println("Deleted document count: " + deleteManyResult.getDeletedCount());
+            
+            // Prints a message if any exceptions occur during the operation
+            } catch (MongoException me) {
+                System.err.println("Unable to delete due to an error: " + me);
+            }
         }
     }
 }