Prioritization Optional NATS consumer support

[ccsdk/cds.git] / ms / blueprintsprocessor / modules / commons / nats-lib / src / main / kotlin / org / onap / ccsdk / cds / blueprintsprocessor / nats / utils / NatsClusterUtils.kt

diff --git a/ms/blueprintsprocessor/modules/commons/nats-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/nats/utils/NatsClusterUtils.kt b/ms/blueprintsprocessor/modules/commons/nats-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/nats/utils/NatsClusterUtils.kt
new file mode 100644 (file)
index 0000000..a7726a1
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/commons/nats-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/nats/utils/NatsClusterUtils.kt
@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2018-2019 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.onap.ccsdk.cds.blueprintsprocessor.nats.utils
+
+import org.onap.ccsdk.cds.blueprintsprocessor.nats.NatsLibConstants
+import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
+import org.onap.ccsdk.cds.controllerblueprints.core.utils.ClusterUtils
+
+object NatsClusterUtils {
+
+    fun clusterId(): String {
+        return System.getenv(NatsLibConstants.PROPERTY_NATS_CLUSTER_ID)
+            ?: ClusterUtils.clusterId()
+    }
+
+    fun applicationSubject(appName: String, subject: String): String {
+        return "$appName.$subject"
+    }
+
+    fun currentApplicationSubject(subject: String): String {
+        return "${BluePrintConstants.APP_NAME}.$subject"
+    }
+
+    fun currentNodeDurable(subject: String): String {
+        return "${ClusterUtils.clusterNodeId()}-$subject"
+    }
+
+    fun applicationLoadBalanceGroup(): String {
+        return "${BluePrintConstants.APP_NAME}"
+    }
+}