Added missing source files belonging to the SqliteColumnNameToIndex class

scheduler/SqliteColumnNameToIndex.cpp

+/*
+ * The CERN Tape Archive (CTA) project
+ * Copyright (C) 2015  CERN
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "common/exception/Exception.hpp"
+#include "middletier/SQLite/SqliteColumnNameToIndex.hpp"
+
+#include <sstream>
+
+//------------------------------------------------------------------------------
+// constructor
+//------------------------------------------------------------------------------
+cta::SqliteColumnNameToIndex::SqliteColumnNameToIndex(
+  sqlite3_stmt *const statement) {
+  const int colCount = sqlite3_column_count(statement);
+  if(colCount==0) {
+    std::ostringstream message;
+    message << "SqliteColumnNameToIndex() - "
+      "SQLite error: sqlite3_column_count() returned 0";
+    throw(cta::exception::Exception(message.str()));
+  }
+  for(int i=0; i<colCount; i++) {
+    const char *const columnName = sqlite3_column_origin_name(statement,i);
+    if(columnName == NULL) {
+      std::ostringstream message;
+      message << "SqliteColumnNameToIndex() -"
+        " SQLite error: sqlite3_column_origin_name() returned NULL";
+      throw(cta::exception::Exception(message.str()));
+    }
+    m_columnNameToIndex[std::string(columnName)] = i;
+  }
+}
+
+//------------------------------------------------------------------------------
+// operator()
+//------------------------------------------------------------------------------
+int cta::SqliteColumnNameToIndex::operator()(const std::string &columnName)
+  const {
+  std::map<std::string, int>::const_iterator it =
+    m_columnNameToIndex.find(columnName);
+  if(it != m_columnNameToIndex.end()) {
+    return it->second;
+  } else {
+    std::ostringstream message;
+    message << "SqliteColumnNameToIndex() - column " << columnName <<
+      " does not exist";
+    throw cta::exception::Exception(message.str());
+  }
+}

scheduler/SqliteColumnNameToIndex.hpp

+/*
+ * The CERN Tape Archive (CTA) project
+ * Copyright (C) 2015  CERN
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <map>
+#include <sqlite3.h>
+#include <string>
+
+namespace cta {
+
+/**
+ * Functor that takes the name of a column of an Sqlite statement and returns
+ * the corresponding index.
+ */
+class SqliteColumnNameToIndex {
+public:
+
+  /**
+   * Constructor.
+   *
+   * @param statement The Sqlite statment.
+   */
+  SqliteColumnNameToIndex(sqlite3_stmt *const statement);
+
+  /**
+   * Returns the index of the specified column.
+   *
+   * @param columnName The name of the column.
+   */
+  int operator()(const std::string &columnName) const;
+
+private:
+
+  /**
+   * The mapping from column name to column index.
+   */
+  std::map<std::string, int> m_columnNameToIndex;
+
+}; // class SqliteColumnNameToIndex
+
+} // namespace cta