Implement plan, qpi and metric constructors

- separate runner from `plan` and move `plan` to `loader`
- rename `algorithm` to `formula`
- use `numpy` for formulas
- update sample qpi and metrics

Change-Id: I3131ca79907376f2de31d6cb920bd7d0230664a6
Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

1 files changed, 43 insertions, 0 deletions

diff --git a/qtip/runner/__init__.py b/qtip/runner/__init__.py
index e69de29b..eab81156 100644
--- a/qtip/runner/__init__.py
+++ b/qtip/runner/__init__.py
@@ -0,0 +1,43 @@
+##############################################################################
+# Copyright (c) 2016 ZTE Corp and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+from qtip.base.constant import PkgName, PropName
+from qtip.base.error import NotFound
+from qtip.collector.stdout import StdoutCollector
+from qtip.driver.random import RandomDriver
+from qtip.reporter.console import ConsoleReporter
+
+
+class Runner(object):
+    def __init__(self, spec, config=None):
+        if config is None:
+            config = spec[PropName.CONFIG]
+
+        driver_name = config[PropName.DRIVER]
+        collector_name = config[PropName.COLLECTOR]
+        reporter_name = config[PropName.REPORTER]
+
+        # TODO(yujunz) dynamically load modules by name
+
+        if driver_name == 'random':
+            self.driver = RandomDriver()
+        else:
+            raise NotFound(driver_name, package=PkgName.DRIVER)
+
+        if collector_name == 'stdout':
+            self.collector = StdoutCollector()
+        else:
+            raise NotFound(collector_name,
+                           package=PkgName.COLLECTOR)
+
+        if reporter_name == 'console':
+            self.reporter = ConsoleReporter()
+        else:
+            raise NotFound(reporter_name,
+                           package=PkgName.REPORTER)