1 files changed, 84 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcaegen2/services/sonhms/utils/ThreadUtils.java b/src/main/java/org/onap/dcaegen2/services/sonhms/utils/ThreadUtils.java
new file mode 100644
index 0000000..07e7219
--- /dev/null
+++ b/src/main/java/org/onap/dcaegen2/services/sonhms/utils/ThreadUtils.java
@@ -0,0 +1,84 @@
+/*******************************************************************************
+ * ============LICENSE_START=======================================================
+ * pcims
+ *  ================================================================================
+ *  Copyright (C) 2018 Wipro Limited.
+ *  ==============================================================================
+ *   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.
+ *   ============LICENSE_END=========================================================
+ ******************************************************************************/
+
+package org.onap.dcaegen2.services.sonhms.utils;
+
+import org.onap.dcaegen2.services.sonhms.EventHandler;
+import org.onap.dcaegen2.services.sonhms.child.ChildThread;
+import org.onap.dcaegen2.services.sonhms.child.Graph;
+import org.onap.dcaegen2.services.sonhms.model.FapServiceList;
+import org.onap.dcaegen2.services.sonhms.model.ThreadId;
+
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.LinkedBlockingQueue;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+
+public class ThreadUtils {
+    
+    private static Logger log = LoggerFactory.getLogger(ThreadUtils.class);
+    
+    /**
+     * Create thread.
+     */
+    public Boolean createNewThread(List<Graph> newClusters, BlockingQueue<List<String>> childStatusQueue,
+            ExecutorService pool, EventHandler eventHandler) {
+        for (Graph cluster : newClusters) {
+
+            BlockingQueue<FapServiceList> queue = new LinkedBlockingQueue<>();
+            ThreadId threadId = new ThreadId();
+            threadId.setChildThreadId(0);
+            ChildThread child = new ChildThread(childStatusQueue, cluster, queue, threadId);
+            pool.execute(child);
+            waitForThreadId(threadId);
+            UUID clusterId = UUID.randomUUID();
+
+            ClusterUtils clusterUtils = new ClusterUtils();
+            clusterUtils.saveCluster(cluster, clusterId, threadId.getChildThreadId());
+            EventHandler.addChildThreadMap(threadId.getChildThreadId(), child);
+            eventHandler.addChildStatus(threadId.getChildThreadId(), "processingNotifications");
+        }
+        return true;
+        
+    }
+    
+    private void waitForThreadId(ThreadId threadId) {
+
+        ThreadId thread = threadId;
+        try {
+            synchronized (thread) {
+                while (thread.getChildThreadId() == 0) {
+                    thread.wait();
+                }
+            }
+        } catch (InterruptedException e) {
+
+            log.error("ChildThread queue error {}", e);
+            Thread.currentThread().interrupt();
+        }
+    }
+
+}