feat(health): Add Health API

src/main/java/io/gravitee/repository/analytics/api/AnalyticsRepository.java

@@ -17,6 +17,7 @@
 
 import io.gravitee.repository.analytics.AnalyticsException;
 import io.gravitee.repository.analytics.query.Query;
+import io.gravitee.repository.analytics.query.response.HealthResponse;
 import io.gravitee.repository.analytics.query.response.Response;
 
 /**
@@ -25,4 +26,6 @@
 public interface AnalyticsRepository {
 
    <T extends Response> T query(Query<T> query) throws AnalyticsException;
+
+   HealthResponse query(String api, long interval, long from, long to) throws AnalyticsException;
 }

src/main/java/io/gravitee/repository/analytics/query/response/HealthResponse.java

@@ -0,0 +1,44 @@
+/**
+ * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
+ *
+ * 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 io.gravitee.repository.analytics.query.response;
+
+import java.util.Map;
+
+/**
+ * @author David BRASSELY (brasseld at gmail.com)
+ */
+public class HealthResponse implements Response {
+
+    private long [] timestamps;
+
+    private Map<Integer, long[]> buckets;
+
+    public long [] timestamps() {
+        return timestamps;
+    }
+
+    public void timestamps(long[] timestamps) {
+        this.timestamps = timestamps;
+    }
+
+    public Map<Integer, long[]> buckets() {
+        return buckets;
+    }
+
+    public void buckets(Map<Integer, long[]> buckets) {
+        this.buckets = buckets;
+    }
+}