--- /dev/null
+/*
+ * 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.testingservices.threadpool;
+
+import static com.google.common.base.Preconditions.checkState;
+
+import java.io.Closeable;
+
+import javax.annotation.Nullable;
+import javax.annotation.concurrent.NotThreadSafe;
+
+import org.opendaylight.controller.config.api.ModuleIdentifier;
+import org.opendaylight.controller.config.manager.testingservices.seviceinterface.ModifiableThreadPoolServiceInterface;
+import org.opendaylight.controller.config.spi.Module;
+
+@NotThreadSafe
+public class TestingFixedThreadPoolModule implements
+ TestingFixedThreadPoolConfigMXBean, Module,
+ TestingThreadPoolConfigMXBean, ModifiableThreadPoolServiceInterface {
+ private final AutoCloseable oldCloseable;
+ private final TestingFixedThreadPool oldInstance;
+ private final ModuleIdentifier name;
+ private TestingFixedThreadPool instance;
+ private int threadCount = 0;
+ private boolean triggerNewInstanceCreation;
+
+ TestingFixedThreadPoolModule(ModuleIdentifier name,
+ @Nullable AutoCloseable oldCloseable,
+ @Nullable TestingFixedThreadPool oldInstance) {
+ this.name = name;
+ this.oldCloseable = oldCloseable;
+ this.oldInstance = oldInstance;
+ }
+
+ @Override
+ public ModuleIdentifier getName() {
+ return name;
+ }
+
+ // attributes
+ @Override
+ public void setThreadCount(int threadCount) {
+ this.threadCount = threadCount;
+ }
+
+ @Override
+ public int getThreadCount() {
+ return threadCount;
+ }
+
+ @Override
+ public boolean isTriggerNewInstanceCreation() {
+ return triggerNewInstanceCreation;
+ }
+
+ @Override
+ public void setTriggerNewInstanceCreation(boolean triggerNewInstanceCreation) {
+ this.triggerNewInstanceCreation = triggerNewInstanceCreation;
+ }
+
+ // operations
+
+ private boolean isReusable() {
+ return oldInstance != null;
+ }
+
+ @Override
+ public void validate() {
+ checkState(threadCount > 0,
+ "Parameter 'threadCount' must be greater than 0");
+ }
+
+ @Override
+ public Closeable getInstance() {
+ if (instance == null) {
+ if (isReusable() && triggerNewInstanceCreation == false) { // simulate
+ // big
+ // change
+ // using
+ // triggerNewInstanceCreation
+ oldInstance.setMaximumNumberOfThreads(threadCount);
+ instance = oldInstance;
+ } else {
+ if (oldCloseable != null) {
+ try {
+ oldCloseable.close();
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+ instance = new TestingFixedThreadPool(threadCount,
+ name.toString());
+ }
+ }
+ return instance;
+ }
+
+}