Squashed History

src/main/java/org/whispersystems/textsecuregcm/providers/RedisHealthCheck.java

@@ -0,0 +1,49 @@
+/**
+ * Copyright (C) 2013 Open WhisperSystems
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.whispersystems.textsecuregcm.providers;
+
+import com.yammer.metrics.core.HealthCheck;
+
+import redis.clients.jedis.Jedis;
+import redis.clients.jedis.JedisPool;
+
+public class RedisHealthCheck extends HealthCheck {
+
+  private final JedisPool clientPool;
+
+  public RedisHealthCheck(JedisPool clientPool) {
+    super("redis");
+    this.clientPool = clientPool;
+  }
+
+  @Override
+  protected Result check() throws Exception {
+    Jedis client = clientPool.getResource();
+
+    try {
+      client.set("HEALTH", "test");
+
+      if (!"test".equals(client.get("HEALTH"))) {
+        return Result.unhealthy("fetch failed");
+      }
+
+      return Result.healthy();
+    } finally {
+      clientPool.returnResource(client);
+    }
+  }
+}