Initial commit

node_modules/mongodb/lib/operations/list_indexes.js

@@ -0,0 +1,42 @@
+'use strict';
+
+const CommandOperationV2 = require('./command_v2');
+const Aspect = require('./operation').Aspect;
+const defineAspects = require('./operation').defineAspects;
+const maxWireVersion = require('../core/utils').maxWireVersion;
+
+const LIST_INDEXES_WIRE_VERSION = 3;
+
+class ListIndexesOperation extends CommandOperationV2 {
+  constructor(collection, options) {
+    super(collection, options, { fullResponse: true });
+
+    this.collectionNamespace = collection.s.namespace;
+  }
+
+  execute(server, callback) {
+    const serverWireVersion = maxWireVersion(server);
+    if (serverWireVersion < LIST_INDEXES_WIRE_VERSION) {
+      const systemIndexesNS = this.collectionNamespace.withCollection('system.indexes').toString();
+      const collectionNS = this.collectionNamespace.toString();
+
+      server.query(systemIndexesNS, { query: { ns: collectionNS } }, {}, this.options, callback);
+      return;
+    }
+
+    const cursor = this.options.batchSize ? { batchSize: this.options.batchSize } : {};
+    super.executeCommand(
+      server,
+      { listIndexes: this.collectionNamespace.collection, cursor },
+      callback
+    );
+  }
+}
+
+defineAspects(ListIndexesOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXECUTE_WITH_SELECTION
+]);
+
+module.exports = ListIndexesOperation;