1 files changed, 103 insertions, 0 deletions
diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/org/onap/vnf/vfw/ElementCrudService.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/org/onap/vnf/vfw/ElementCrudService.java
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+++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/org/onap/vnf/vfw/ElementCrudService.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * 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.
+ */
+
+/*
+ * Modifications copyright (c) 2019 AT&T Intellectual Property
+ */
+
+package org.onap.vnf.vfw;
+
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import java.util.Collections;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamCountState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.stream.count.params.Streams;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.stream.count.params.StreamsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamNum;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Simple example of class handling Crud operations for plugin.
+ * <p/>
+ * No real handling, serves just as an illustration.
+ *
+ * TODO update javadoc
+ */
+final class ElementCrudService implements CrudService<Streams> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ElementCrudService.class);
+
+    @Override
+    public void writeData(@Nonnull final InstanceIdentifier<Streams> identifier, @Nonnull final Streams data)
+            throws WriteFailedException {
+        if (data != null) {
+
+            // Performs any logic needed for persisting such data
+            LOG.info("Writing path[{}] / data [{}]", identifier, data);
+        } else {
+            throw new WriteFailedException.CreateFailedException(identifier, data,
+                    new NullPointerException("Provided data are null"));
+        }
+    }
+
+    @Override
+    public void deleteData(@Nonnull final InstanceIdentifier<Streams> identifier, @Nonnull final Streams data)
+            throws WriteFailedException {
+        if (data != null) {
+
+            // Performs any logic needed for persisting such data
+            LOG.info("Removing path[{}] / data [{}]", identifier, data);
+        } else {
+            throw new WriteFailedException.DeleteFailedException(identifier,
+                    new NullPointerException("Provided data are null"));
+        }
+    }
+
+    @Override
+    public void updateData(@Nonnull final InstanceIdentifier<Streams> identifier, @Nonnull final Streams dataOld,
+                           @Nonnull final Streams dataNew) throws WriteFailedException {
+        if (dataOld != null && dataNew != null) {
+
+            // Performs any logic needed for persisting such data
+            LOG.info("Update path[{}] from [{}] to [{}]", identifier, dataOld, dataNew);
+        } else {
+            throw new WriteFailedException.DeleteFailedException(identifier,
+                    new NullPointerException("Provided data are null"));
+        }
+    }
+
+    @Override
+    public Streams readSpecific(@Nonnull final InstanceIdentifier<Streams> identifier) throws ReadFailedException {
+
+        // load data by this key
+        // *Key class will always contain key of entity, in this case long value
+
+        return new StreamsBuilder()
+                .setActiveStreams(new StreamNum(1L))
+                .build();
+    }
+
+    @Override
+    public List<Streams> readAll() throws ReadFailedException {
+        // read all data under parent node,in this case {@link ModuleState}
+        return Collections.singletonList(
+                readSpecific(InstanceIdentifier.create(StreamCountState.class).child(Streams.class)));
+    }
+}