Deleting missing vnf-list entry cause infiniteLoop

[sdnc/northbound.git] / vnfapi / provider / src / test / java / org / onap / sdnc / vnfapi / util / DataBrokerUtil.java

diff --git a/vnfapi/provider/src/test/java/org/onap/sdnc/vnfapi/util/DataBrokerUtil.java b/vnfapi/provider/src/test/java/org/onap/sdnc/vnfapi/util/DataBrokerUtil.java
new file mode 100644 (file)
index 0000000..d791fa9
--- /dev/null
+++ b/vnfapi/provider/src/test/java/org/onap/sdnc/vnfapi/util/DataBrokerUtil.java
@@ -0,0 +1,94 @@
+/*-
+ * ============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.onap.sdnc.vnfapi.util;
+
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.CheckedFuture;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.Vnfs;
+import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.vnf.model.infrastructure.VnfList;
+import org.opendaylight.yang.gen.v1.org.onap.sdnctl.vnf.rev150720.vnf.model.infrastructure.VnfListKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+
+/**
+ * This util class provides utility to read and write {@link VnfList} data objects from the {@link DataBroker}
+ *
+ */
+public class DataBrokerUtil {
+
+
+    private final DataBroker dataBroker;
+
+    public DataBrokerUtil(DataBroker dataBroker) {
+        this.dataBroker = dataBroker;
+    }
+
+    /** @return VnfList - the VnfList object read from the DataBroker or null if none was found */
+    public VnfList read(String VnfListKey, LogicalDatastoreType logicalDatastoreType) throws Exception {
+        InstanceIdentifier VnfListInstanceIdentifier = InstanceIdentifier.<Vnfs>builder(Vnfs.class)
+                .child(VnfList.class, new VnfListKey(VnfListKey)).build();
+        ReadOnlyTransaction readTx = dataBroker.newReadOnlyTransaction();
+        Optional<VnfList> data = (Optional<VnfList>) readTx.read(logicalDatastoreType, VnfListInstanceIdentifier).get();
+        if(!data.isPresent()){
+            return null;
+        }
+        return data.get();
+    }
+
+
+    /**
+     * Write the {@link VnfList} object to the {@link DataBroker}
+     * @param isReplace - false specifies the new data is to be merged into existing data, where as true cause the
+     *                  existing data to be replaced.
+     * @param VnfList - the {@link VnfList} data object to be presisted in the db.
+     * @param logicalDatastoreType - The logicalDatastoreType
+     */
+    public void write(boolean isReplace,VnfList VnfList, LogicalDatastoreType logicalDatastoreType) throws Exception {
+        // Each entry will be identifiable by a unique key, we have to create that
+        // identifier
+        InstanceIdentifier.InstanceIdentifierBuilder<VnfList> VnfListBuilder = InstanceIdentifier
+                .<Vnfs>builder(Vnfs.class).child(VnfList.class, VnfList.getKey());
+        InstanceIdentifier<VnfList> path = VnfListBuilder.build();
+
+        WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
+        if (!isReplace) {
+            tx.merge(logicalDatastoreType, path, VnfList);
+        } else {
+            tx.put(logicalDatastoreType, path, VnfList);
+        }
+        CheckedFuture<Void,TransactionCommitFailedException> cf = tx.submit();
+        cf.checkedGet();
+
+    }
+
+
+
+
+
+
+
+}