add NameRepo class

3 files changed, 120 insertions, 0 deletions

diff --git a/staging_vespalib/src/vespa/vespalib/metrics/CMakeLists.txt b/staging_vespalib/src/vespa/vespalib/metrics/CMakeLists.txt
index 34cc5453304..4a28734b85d 100644
--- a/staging_vespalib/src/vespa/vespalib/metrics/CMakeLists.txt
+++ b/staging_vespalib/src/vespa/vespalib/metrics/CMakeLists.txt
@@ -18,6 +18,7 @@ vespa_add_library(staging_vespalib_vespalib_metrics OBJECT
     metrics_manager.cpp
     metric_types.cpp
     name_collection.cpp
+    name_repo.cpp
     point_builder.cpp
     point.cpp
     point_map_collection.cpp
diff --git a/staging_vespalib/src/vespa/vespalib/metrics/name_repo.cpp b/staging_vespalib/src/vespa/vespalib/metrics/name_repo.cpp
new file mode 100644
index 00000000000..f8294661c77
--- /dev/null
+++ b/staging_vespalib/src/vespa/vespalib/metrics/name_repo.cpp
@@ -0,0 +1,72 @@
+// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include "name_repo.h"
+
+#include <vespa/log/log.h>
+LOG_SETUP(".vespalib.metrics.name_repo");
+
+namespace vespalib {
+namespace metrics {
+
+MetricName
+NameRepo::metric(const vespalib::string &name)
+{
+    size_t id = _metricNames.resolve(name);
+    LOG(debug, "metric name %s -> %zu", name.c_str(), id);
+    return MetricName(id);
+}
+
+Dimension
+NameRepo::dimension(const vespalib::string &name)
+{
+    size_t id = _dimensionNames.resolve(name);
+    LOG(debug, "dimension name %s -> %zu", name.c_str(), id);
+    return Dimension(id);
+}
+
+Label
+NameRepo::label(const vespalib::string &value)
+{
+    size_t id = _labelValues.resolve(value);
+    LOG(debug, "label value %s -> %zu", value.c_str(), id);
+    return Label(id);
+}
+
+const vespalib::string&
+NameRepo::metricName(MetricName metric)
+{
+    return _metricNames.lookup(metric.id());
+}
+
+const vespalib::string&
+NameRepo::dimensionName(Dimension dim)
+{
+    return _dimensionNames.lookup(dim.id());
+}
+
+const vespalib::string&
+NameRepo::labelValue(Label l)
+{
+    return _labelValues.lookup(l.id());
+}
+
+
+const PointMap::BackingMap&
+NameRepo::pointMap(Point from)
+{
+    const PointMap &map = _pointMaps.lookup(from.id());
+    return map.backingMap();
+}
+
+Point
+NameRepo::pointFrom(PointMap::BackingMap map)
+{
+    size_t id = _pointMaps.resolve(PointMap(std::move(map)));
+    return Point(id);
+}
+
+
+NameRepo NameRepo::instance;
+
+
+} // namespace vespalib::metrics
+} // namespace vespalib
diff --git a/staging_vespalib/src/vespa/vespalib/metrics/name_repo.h b/staging_vespalib/src/vespa/vespalib/metrics/name_repo.h
new file mode 100644
index 00000000000..6095bea1293
--- /dev/null
+++ b/staging_vespalib/src/vespa/vespalib/metrics/name_repo.h
@@ -0,0 +1,47 @@
+// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#pragma once
+
+#include <vespa/vespalib/stllike/string.h>
+#include "dimension.h"
+#include "label.h"
+#include "metric_name.h"
+#include "point.h"
+
+#include "name_collection.h"
+#include "point_map_collection.h"
+
+namespace vespalib {
+namespace metrics {
+
+/**
+ * Simple repo class
+ **/
+class NameRepo
+{
+private:
+    NameCollection _metricNames;
+    NameCollection _dimensionNames;
+    NameCollection _labelValues;
+    PointMapCollection _pointMaps;
+
+public:
+    NameRepo() = default;
+    ~NameRepo() = default;
+
+    MetricName metric(const vespalib::string &name);
+    Dimension dimension(const vespalib::string &name);
+    Label label(const vespalib::string &value);
+
+    const vespalib::string& metricName(MetricName metric);
+    const vespalib::string& dimensionName(Dimension dim);
+    const vespalib::string& labelValue(Label l);
+
+    const PointMap::BackingMap& pointMap(Point from);
+    Point pointFrom(PointMap::BackingMap map);
+
+    static NameRepo instance;
+};
+
+} // namespace vespalib::metrics
+} // namespace vespalib
+