-/*-\r
- * ================================================================================\r
- * ECOMP Portal\r
- * ================================================================================\r
- * Copyright (C) 2017 AT&T Intellectual Property\r
- * ================================================================================\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- * \r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- * \r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- * ================================================================================\r
- */\r
-package org.openecomp.portalapp.portal.utils;\r
-\r
-import java.util.ArrayList;\r
-import java.util.List;\r
-import java.util.concurrent.Callable;\r
-import java.util.concurrent.ExecutorService;\r
-import java.util.concurrent.Executors;\r
-import java.util.concurrent.Future;\r
-\r
-import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;\r
-\r
-public abstract class ParallelExecutor<T> {\r
-\r
- EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ParallelExecutor.class);\r
-\r
- protected static abstract class ThreadOperation<T> {\r
- public abstract T execute(List<Object> parms);\r
- }\r
-\r
- protected abstract ThreadOperation<T> getThreadOperation();\r
-\r
- private static class CallableOperationThread<T> implements Callable<T> {\r
-\r
- List<Object> parms;\r
-\r
- private ThreadOperation<T> operation;\r
-\r
- public CallableOperationThread(ThreadOperation<T> operation, List<Object> parms) {\r
- this.parms = parms;\r
- this.operation = operation;\r
- }\r
-\r
- @Override\r
- public T call() throws Exception {\r
- return this.operation.execute(this.parms);\r
- }\r
-\r
- }\r
-\r
- public List<T> performAllOperations(int ThreadPoolSize, List<List<Object>> listOfParms) {\r
- List<T> result = new ArrayList<T>();\r
- if (ThreadPoolSize > 0 && listOfParms != null) {\r
- ExecutorService executor = Executors.newFixedThreadPool(ThreadPoolSize);\r
- List<Future<T>> list = new ArrayList<Future<T>>();\r
- for (List<Object> parms : listOfParms) {\r
- CallableOperationThread<T> getter = new CallableOperationThread<T>(this.getThreadOperation(), parms);\r
- Future<T> submit = executor.submit(getter);\r
- list.add(submit);\r
- }\r
- for (Future<T> future : list) {\r
- try {\r
- if (future != null) {\r
- result.add(future.get());\r
- }\r
- } catch (Exception e) {\r
- logger.error(EELFLoggerDelegate.errorLogger, EcompPortalUtils.getStackTrace(e));\r
- }\r
- }\r
- executor.shutdown();\r
- }\r
- return result;\r
- }\r
-\r
-}\r
+/*-
+ * ================================================================================
+ * ECOMP Portal
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * 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.openecomp.portalapp.portal.utils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
+
+public abstract class ParallelExecutor<T> {
+
+ EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ParallelExecutor.class);
+
+ protected static abstract class ThreadOperation<T> {
+ public abstract T execute(List<Object> parms);
+ }
+
+ protected abstract ThreadOperation<T> getThreadOperation();
+
+ private static class CallableOperationThread<T> implements Callable<T> {
+
+ List<Object> parms;
+
+ private ThreadOperation<T> operation;
+
+ public CallableOperationThread(ThreadOperation<T> operation, List<Object> parms) {
+ this.parms = parms;
+ this.operation = operation;
+ }
+
+ @Override
+ public T call() throws Exception {
+ return this.operation.execute(this.parms);
+ }
+
+ }
+
+ public List<T> performAllOperations(int ThreadPoolSize, List<List<Object>> listOfParms) {
+ List<T> result = new ArrayList<T>();
+ if (ThreadPoolSize > 0 && listOfParms != null) {
+ ExecutorService executor = Executors.newFixedThreadPool(ThreadPoolSize);
+ List<Future<T>> list = new ArrayList<Future<T>>();
+ for (List<Object> parms : listOfParms) {
+ CallableOperationThread<T> getter = new CallableOperationThread<T>(this.getThreadOperation(), parms);
+ Future<T> submit = executor.submit(getter);
+ list.add(submit);
+ }
+ for (Future<T> future : list) {
+ try {
+ if (future != null) {
+ result.add(future.get());
+ }
+ } catch (Exception e) {
+ logger.error(EELFLoggerDelegate.errorLogger, EcompPortalUtils.getStackTrace(e));
+ }
+ }
+ executor.shutdown();
+ }
+ return result;
+ }
+
+}