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+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ *
+ */
+
+#ifndef QPID_LEGACYSTORE_CURSOR_H
+#define QPID_LEGACYSTORE_CURSOR_H
+
+#include <boost/shared_ptr.hpp>
+#include "db-inc.h"
+
+namespace mrg{
+namespace msgstore{
+
+class Cursor
+{
+ Dbc* cursor;
+public:
+ typedef boost::shared_ptr<Db> db_ptr;
+
+ Cursor() : cursor(0) {}
+ virtual ~Cursor() { if(cursor) cursor->close(); }
+
+ void open(db_ptr db, DbTxn* txn, u_int32_t flags = 0) { db->cursor(txn, &cursor, flags); }
+ void close() { if(cursor) cursor->close(); cursor = 0; }
+ Dbc* get() { return cursor; }
+ Dbc* operator->() { return cursor; }
+ bool next(Dbt& key, Dbt& value) { return cursor->get(&key, &value, DB_NEXT) == 0; }
+ bool current(Dbt& key, Dbt& value) { return cursor->get(&key, &value, DB_CURRENT) == 0; }
+};
+
+}}
+
+#endif // ifndef QPID_LEGACYSTORE_CURSOR_H