Add listener interface for usage data published events
Introduces a new event which allows to publish usage data of projects.
An example could be the sizes of the repositories in the file system.
Change-Id: I9a9773c3358f5b8a45db2ec8ba29b8a8ea6c3589
Signed-off-by: Stefan Lay <stefan.lay@sap.com>
Signed-off-by: Adrian Görler <adrian.goerler@sap.com>
diff --git a/Documentation/dev-plugins.txt b/Documentation/dev-plugins.txt
index f74a8f5..fd2f026 100644
--- a/Documentation/dev-plugins.txt
+++ b/Documentation/dev-plugins.txt
@@ -401,6 +401,10 @@
+
Update of HEAD on a project
+* `com.google.gerrit.extensions.events.UsageDataPublishedListener`:
++
+Publication of usage data
+
[[stream-events]]
== Sending Events to the Events Stream
diff --git a/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/events/UsageDataPublishedListener.java b/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/events/UsageDataPublishedListener.java
new file mode 100644
index 0000000..365d056
--- /dev/null
+++ b/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/events/UsageDataPublishedListener.java
@@ -0,0 +1,45 @@
+// Copyright (C) 2014 The Android Open Source Project
+//
+// 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.
+
+package com.google.gerrit.extensions.events;
+
+import com.google.gerrit.extensions.annotations.ExtensionPoint;
+
+import java.sql.Timestamp;
+import java.util.List;
+
+/** Notified when usage data is published */
+@ExtensionPoint
+public interface UsageDataPublishedListener {
+
+ public interface Event {
+ MetaData getMetaData();
+ Timestamp getInstant();
+ List<Data> getData();
+ }
+
+ public interface Data {
+ long getValue();
+ String getProjectName();
+ }
+
+ public interface MetaData {
+ public String getName();
+ public String getUnitName();
+ public String getUnitSymbol();
+ public String getDescription();
+ }
+
+ void onUsageDataPublished(Event event);
+}
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/config/GerritGlobalModule.java b/gerrit-server/src/main/java/com/google/gerrit/server/config/GerritGlobalModule.java
index 023c115..94b88a7 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/config/GerritGlobalModule.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/config/GerritGlobalModule.java
@@ -27,6 +27,7 @@
import com.google.gerrit.extensions.events.LifecycleListener;
import com.google.gerrit.extensions.events.NewProjectCreatedListener;
import com.google.gerrit.extensions.events.ProjectDeletedListener;
+import com.google.gerrit.extensions.events.UsageDataPublishedListener;
import com.google.gerrit.extensions.registration.DynamicItem;
import com.google.gerrit.extensions.registration.DynamicMap;
import com.google.gerrit.extensions.registration.DynamicSet;
@@ -255,6 +256,7 @@
DynamicSet.setOf(binder(), NewProjectCreatedListener.class);
DynamicSet.setOf(binder(), ProjectDeletedListener.class);
DynamicSet.setOf(binder(), HeadUpdatedListener.class);
+ DynamicSet.setOf(binder(), UsageDataPublishedListener.class);
DynamicSet.bind(binder(), GitReferenceUpdatedListener.class).to(ChangeCache.class);
DynamicSet.bind(binder(), GitReferenceUpdatedListener.class).to(MergeabilityChecker.class);
DynamicSet.bind(binder(), GitReferenceUpdatedListener.class)