1 files changed, 86 insertions, 0 deletions
diff --git a/src/mongo/client/examples/first.cpp b/src/mongo/client/examples/first.cpp
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+++ b/src/mongo/client/examples/first.cpp
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+// first.cpp
+
+/*    Copyright 2009 10gen Inc.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+/**
+ * this is a good first example of how to use mongo from c++
+ */
+
+#include <iostream>
+
+#include "client/dbclient.h"
+
+using namespace std;
+
+void insert( mongo::DBClientConnection & conn , const char * name , int num ) {
+    mongo::BSONObjBuilder obj;
+    obj.append( "name" , name );
+    obj.append( "num" , num );
+    conn.insert( "test.people" , obj.obj() );
+}
+
+int main( int argc, const char **argv ) {
+
+    const char *port = "27017";
+    if ( argc != 1 ) {
+        if ( argc != 3 )
+            throw -12;
+        port = argv[ 2 ];
+    }
+
+    mongo::DBClientConnection conn;
+    string errmsg;
+    if ( ! conn.connect( string( "127.0.0.1:" ) + port , errmsg ) ) {
+        cout << "couldn't connect : " << errmsg << endl;
+        throw -11;
+    }
+
+    {
+        // clean up old data from any previous tests
+        mongo::BSONObjBuilder query;
+        conn.remove( "test.people" , query.obj() );
+    }
+
+    insert( conn , "eliot" , 15 );
+    insert( conn , "sara" , 23 );
+
+    {
+        mongo::BSONObjBuilder query;
+        auto_ptr<mongo::DBClientCursor> cursor = conn.query( "test.people" , query.obj() );
+        cout << "using cursor" << endl;
+        while ( cursor->more() ) {
+            mongo::BSONObj obj = cursor->next();
+            cout << "\t" << obj.jsonString() << endl;
+        }
+
+    }
+
+    {
+        mongo::BSONObjBuilder query;
+        query.append( "name" , "eliot" );
+        mongo::BSONObj res = conn.findOne( "test.people" , query.obj() );
+        cout << res.isEmpty() << "\t" << res.jsonString() << endl;
+    }
+
+    {
+        mongo::BSONObjBuilder query;
+        query.append( "name" , "asd" );
+        mongo::BSONObj res = conn.findOne( "test.people" , query.obj() );
+        cout << res.isEmpty() << "\t" << res.jsonString() << endl;
+    }
+
+
+}