Introduce MonitorOfflineCause

core/src/main/java/hudson/node_monitors/DiskSpaceMonitorDescriptor.java

@@ -51,7 +51,7 @@ public abstract class DiskSpaceMonitorDescriptor extends AbstractAsyncNodeMonito
      * Value object that represents the disk space.
      */
     @ExportedBean
-    public static final class DiskSpace extends OfflineCause implements Serializable {
+    public static final class DiskSpace extends MonitorOfflineCause implements Serializable {
         private final String path;
         @Exported
         public final long size;
@@ -119,6 +119,7 @@ public abstract class DiskSpaceMonitorDescriptor extends AbstractAsyncNodeMonito
             this.triggered = triggered;
         }
         
+        @Override
         public Class<? extends AbstractDiskSpaceMonitor> getTrigger() {
             return trigger;
         }

core/src/main/java/hudson/node_monitors/MonitorOfflineCause.java

+/*
+ * The MIT License
+ *
+ * Copyright (c) 2014 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package hudson.node_monitors;
+
+import hudson.slaves.OfflineCause;
+
+/**
+ * Offline cause to denote it was node monitor what put computer offline.
+ *
+ * @author ogondza
+ * @since TODO
+ */
+public abstract class MonitorOfflineCause extends OfflineCause {
+
+    /**
+     * Identify monitor implementation that put computer offline.
+     */
+    public abstract Class<? extends NodeMonitor> getTrigger();
+}

core/src/main/java/hudson/node_monitors/ResponseTimeMonitor.java

@@ -142,7 +142,7 @@ public class ResponseTimeMonitor extends NodeMonitor {
      * Immutable representation of the monitoring data.
      */
     @ExportedBean
-    public static final class Data extends OfflineCause implements Serializable {
+    public static final class Data extends MonitorOfflineCause implements Serializable {
         /**
          * Record of the past 5 times. -1 if time out. Otherwise in milliseconds.
          * Old ones first.
@@ -204,6 +204,11 @@ public class ResponseTimeMonitor extends NodeMonitor {
             return getAverage()+"ms";
         }
 
+        @Override
+        public Class<? extends NodeMonitor> getTrigger() {
+            return ResponseTimeMonitor.class;
+        }
+
         private static final long serialVersionUID = 1L;
     }