--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/servlib/storage/SQLStore.h Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2004-2006 Intel Corporation
+ *
+ * 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.
+ */
+
+#ifndef _SQL_STORE_H_
+#define _SQL_STORE_H_
+
+#include <vector>
+#include <sys/time.h>
+#include <oasys/debug/Log.h>
+#include <oasys/serialize/SQLSerialize.h>
+#include "BundleStore.h"
+#include "PersistentStore.h"
+
+namespace dtn {
+
+/**
+ * Implementation of a StorageManager with an underlying SQL
+ * database.
+ */
+class SQLStore : public PersistentStore, public oasys::Logger {
+public:
+
+ /**
+ * Create a SQLStore with specfied table_name.
+ * Parameter db, points to the actual implementation to which
+ * different queries are forwarded
+ */
+ SQLStore(const char* table_name, oasys::SQLImplementation *db);
+
+ /// @{
+
+ /**
+ * Close the table.
+ */
+ int close();
+
+ /**
+ * Get an obj (identified by key) from the sql store.
+ * @return 0 if success, -1 on error
+ */
+ int get(oasys::SerializableObject* obj, const int key);
+
+ /**
+ * Store the object with the given key.
+ */
+ int put(oasys::SerializableObject* obj, const int key);
+
+ /**
+ * Put an obj in the sql store.
+ * @return 0 if success, -1 on error
+ */
+ int add(oasys::SerializableObject* obj, const int key);
+
+ /**
+ * Update the object's state in the sql store.
+ * @return number updated on success, -1 on error
+ */
+ int update(oasys::SerializableObject* obj, const int key);
+
+ /**
+ * Delete an obj (identified by key)
+ * @return 0 if success, -1 on error
+ */
+ int del(const int key);
+
+ /**
+ * Return number of elements in the store.
+ * @return number of elements if success, -1 on error
+ */
+ int num_elements();
+
+ /**
+ * Return list of keys for all elements in the store.
+ * @return 0 if success, -1 on error
+ */
+ void keys(std::vector<int> * l);
+
+ /**
+ *
+ */
+ int exists(const int id);
+
+ /**
+ * Extract all elements from the store, potentially matching the
+ * "where" clause. For each matching element, initialize the
+ * corresponding object in the vector with the values from the
+ * database.
+ *
+ * @return count of extracted elements, or -1 on error
+ */
+ int elements(oasys::SerializableObjectVector* elements);
+
+ /**
+ * Returns the table name associated with this store
+ */
+ const char* table_name();
+
+ /**
+ * Checks if the table already exists.
+ * @return true if table exits, false otherwise
+ */
+ bool has_table(const char *name);
+
+ /**
+ * Creates table a table in the store for objects which has the same type as obj.
+ * Checks if the table already exists.
+ * @return 0 if success, -1 on error
+ */
+ int create_table(oasys::SerializableObject* obj);
+
+
+ /**
+ * Executes the given query. Essentially forwards the query to data_base_pointer_
+ * @return 0 if success, -1 on error
+ */
+ int exec_query(const char* query);
+
+ /**
+ * Set's the key name. The key name is used in all functions which need
+ * to create a query which refers to key. Must be initialized for proper
+ * operation.
+ */
+ void set_key_name(const char* name);
+
+private:
+
+ /**
+ * Name of the table in the database to which this SQLStore corresponds
+ */
+ const char* table_name_;
+
+ /**
+ * Field name by which the objects are keyed.
+ */
+ const char* key_name_;
+
+ oasys::SQLImplementation* sql_impl_;
+};
+
+} // namespace dtn
+
+#endif /* _SQL_STORE_H_ */