[ONOS-4287] Persistent and distributed alarm store
Change-Id: I2fb0f5d84e563a53f036be012a8190d7df5869dc
diff --git a/apps/faultmanagement/fmmgr/src/main/java/org/onosproject/faultmanagement/api/AlarmStore.java b/apps/faultmanagement/fmmgr/src/main/java/org/onosproject/faultmanagement/api/AlarmStore.java
new file mode 100644
index 0000000..90ab767
--- /dev/null
+++ b/apps/faultmanagement/fmmgr/src/main/java/org/onosproject/faultmanagement/api/AlarmStore.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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 org.onosproject.faultmanagement.api;
+
+import org.onosproject.incubator.net.faultmanagement.alarm.Alarm;
+import org.onosproject.incubator.net.faultmanagement.alarm.AlarmEvent;
+import org.onosproject.incubator.net.faultmanagement.alarm.AlarmId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.store.Store;
+
+import java.util.Collection;
+
+/**
+ * Manages inventory of alarms; not intended for direct use.
+ */
+public interface AlarmStore extends Store<AlarmEvent, AlarmStoreDelegate> {
+
+ /**
+ * Retrieves and alarm based on it's id.
+ *
+ * @param alarmId alarm identifier
+ * @return alarm
+ */
+ Alarm getAlarm(AlarmId alarmId);
+
+ /**
+ * Retrieves all alarms present in the system.
+ *
+ * @return alarms
+ */
+ Collection<Alarm> getAlarms();
+
+ /**
+ * Retrieves alarms for a device.
+ *
+ * @param deviceId device identifier
+ * @return alarms
+ */
+ Collection<Alarm> getAlarms(DeviceId deviceId);
+
+ /**
+ * Stores an alarm.
+ *
+ * @param alarm alarm
+ */
+ void setAlarm(Alarm alarm);
+
+ /**
+ * Removes an alarm.
+ *
+ * @param alarmId alarm
+ */
+ void removeAlarm(AlarmId alarmId);
+}