Add watchdog thread to detect illegal blocking calls during second phase commit.

[controller.git] / opendaylight / config / config-manager / src / main / java / org / opendaylight / controller / config / manager / impl / dependencyresolver / DestroyedModule.java

diff --git a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dependencyresolver/DestroyedModule.java b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dependencyresolver/DestroyedModule.java
new file mode 100644 (file)
index 0000000..2aa7475
--- /dev/null
+++ b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dependencyresolver/DestroyedModule.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.config.manager.impl.dependencyresolver;
+
+import org.opendaylight.controller.config.api.ModuleIdentifier;
+import org.opendaylight.controller.config.manager.impl.jmx.ModuleJMXRegistrator;
+import org.opendaylight.controller.config.manager.impl.osgi.BeanToOsgiServiceManager.OsgiRegistration;
+import org.opendaylight.yangtools.concepts.Identifiable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Transfer object representing already committed module that needs to be
+ * destroyed. Implements comparable in order to preserve order in which modules
+ * were created. Module instances should be closed in order defined by the
+ * compareTo method.
+ */
+public class DestroyedModule implements AutoCloseable,
+        Comparable<DestroyedModule>, Identifiable<ModuleIdentifier> {
+    private static final Logger logger = LoggerFactory
+            .getLogger(DestroyedModule.class);
+
+    private final ModuleIdentifier identifier;
+    private final AutoCloseable instance;
+    private final ModuleJMXRegistrator oldJMXRegistrator;
+    private final OsgiRegistration osgiRegistration;
+    private final int orderingIdx;
+
+    public DestroyedModule(ModuleIdentifier identifier, AutoCloseable instance,
+            ModuleJMXRegistrator oldJMXRegistrator,
+            OsgiRegistration osgiRegistration, int orderingIdx) {
+        this.identifier = identifier;
+        this.instance = instance;
+        this.oldJMXRegistrator = oldJMXRegistrator;
+        this.osgiRegistration = osgiRegistration;
+        this.orderingIdx = orderingIdx;
+    }
+
+    @Override
+    public void close() {
+        logger.trace("Destroying {}", identifier);
+        try {
+            instance.close();
+        } catch (Exception e) {
+            logger.error("Error while closing instance of {}", identifier, e);
+        }
+        try {
+            oldJMXRegistrator.close();
+        } catch (Exception e) {
+            logger.error("Error while closing jmx registrator of {}", identifier, e);
+        }
+        try {
+            osgiRegistration.close();
+        } catch (Exception e) {
+            logger.error("Error while closing osgi registration of {}", identifier, e);
+        }
+    }
+
+    @Override
+    public int compareTo(DestroyedModule o) {
+        return Integer.compare(orderingIdx, o.orderingIdx);
+    }
+
+    @Override
+    public ModuleIdentifier getIdentifier() {
+        return identifier;
+    }
+}