1 files changed, 95 insertions, 0 deletions
diff --git a/resource-assignment/provider/src/main/java/org/openecomp/sdnc/rm/util/LabelUtil.java b/resource-assignment/provider/src/main/java/org/openecomp/sdnc/rm/util/LabelUtil.java
new file mode 100644
index 0000000..aac6c90
--- /dev/null
+++ b/resource-assignment/provider/src/main/java/org/openecomp/sdnc/rm/util/LabelUtil.java
@@ -0,0 +1,95 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : SDN-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ *             reserved.
+ * ================================================================================
+ * 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.openecomp.sdnc.rm.util;
+
+import java.util.ArrayList;
+import java.util.Date;
+
+import org.openecomp.sdnc.rm.data.AllocationItem;
+import org.openecomp.sdnc.rm.data.LabelAllocationItem;
+import org.openecomp.sdnc.rm.data.LabelAllocationRequest;
+import org.openecomp.sdnc.rm.data.LabelResource;
+import org.openecomp.sdnc.rm.data.ResourceKey;
+import org.openecomp.sdnc.rm.data.ResourceType;
+
+public class LabelUtil {
+
+	public static boolean checkLabel(LabelResource l, LabelAllocationRequest req) {
+		if (req.check && req.label != null && l.allocationItems != null && !l.allocationItems.isEmpty()) {
+			for (AllocationItem ai : l.allocationItems) {
+				LabelAllocationItem lai = (LabelAllocationItem) ai;
+				if (!eq(req.resourceUnionId, lai.resourceUnionId) && !eq(req.label, lai.label))
+					return false;
+			}
+		}
+		return true;
+	}
+
+	public static String allocateLabel(LabelResource l, LabelAllocationRequest req, String applicationId) {
+		if (!req.allocate)
+			return null;
+
+		LabelAllocationItem lai = (LabelAllocationItem) ResourceUtil.getAllocationItem(l, req.resourceSetId);
+		if (lai == null) {
+			lai = new LabelAllocationItem();
+			lai.resourceType = ResourceType.Label;
+			lai.resourceKey = new ResourceKey();
+			lai.resourceKey.assetId = req.assetId;
+			lai.resourceKey.resourceName = req.resourceName;
+			lai.applicationId = applicationId;
+			lai.resourceSetId = req.resourceSetId;
+			lai.resourceUnionId = req.resourceUnionId;
+			lai.resourceShareGroupList = req.resourceShareGroupList;
+
+			if (l.allocationItems == null)
+				l.allocationItems = new ArrayList<AllocationItem>();
+			l.allocationItems.add(lai);
+		}
+
+		lai.label = req.label;
+		lai.allocationTime = new Date();
+
+		recalculate(l);
+
+		return lai.label;
+	}
+
+	public static void recalculate(LabelResource l) {
+		l.label = null;
+		l.referenceCount = 0;
+		if (l.allocationItems != null)
+			for (AllocationItem ai : l.allocationItems) {
+				LabelAllocationItem lai = (LabelAllocationItem) ai;
+				if (lai.label != null) {
+					l.referenceCount++;
+					if (l.label == null)
+						l.label = lai.label;
+					else if (!l.label.equals(lai.label))
+						l.label = "__BLOCKED__";
+				}
+			}
+	}
+
+	private static boolean eq(Object o1, Object o2) {
+		return o1 == null ? o2 == null : o1.equals(o2);
+	}
+}