Squashed commit of the following:

commit 1b4af2baa406841631ef7c3bf6917be654f793e1
Author: Marco Platania <platania@research.att.com>
Date:   Mon Jan 21 11:21:08 2019 -0500

    Correct style issues

    Change-Id: Icadd241369437b6c1e868285f79b31be2d730871
    Issue-ID: INT-824
    Signed-off-by: Marco Platania <platania@research.att.com>

commit 1b019bf2fcdddeae852f465e56255bb00c5c19d7
Author: Marco Platania <platania@research.att.com>
Date:   Mon Jan 21 10:36:52 2019 -0500

    Correct path to POM files

    Change-Id: Ie98617eaab6ae65c982bb15e71f72b090f45e553
    Issue-ID: INT-824
    Signed-off-by: Marco Platania <platania@research.att.com>

commit e51da00e8208fad91ca3be8808b0e7b590d64627
Author: Marco Platania <platania@research.att.com>
Date:   Mon Jan 21 10:24:19 2019 -0500

    Add new API to vPacketGen

    - Add new API to modify the number of active streams
    - Change POM structure accordingly

    Change-Id: Iba45ce2ff5fa9fb418e3dd0dffb75c785dc20f70
    Issue-ID: INT-824
    Signed-off-by: Marco Platania <platania@research.att.com>

Change-Id: Iefbfce87b4f98a35b81585c2346975256ae988a4
Signed-off-by: Marco Platania <platania@research.att.com>

1 files changed, 100 insertions, 0 deletions

diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/write/ElementCustomizer.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/write/ElementCustomizer.java
new file mode 100644
index 00000000..740ffdf7
--- /dev/null
+++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/write/ElementCustomizer.java
@@ -0,0 +1,100 @@
+/*
+ * 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 io.fd.honeycomb.lcmapi.write;
+
+import io.fd.honeycomb.lcmapi.CrudService;
+import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
+import io.fd.honeycomb.translate.write.WriteContext;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+
+import java.io.IOException;
+
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.stream.count.params.Streams;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Writer for {@link Element} list node from our YANG model.
+ */
+
+public final class ElementCustomizer implements WriterCustomizer<Streams> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ElementCustomizer.class);
+
+    private final CrudService<Streams> crudService;
+
+    public ElementCustomizer(@Nonnull final CrudService<Streams> crudService) {
+        this.crudService = crudService;
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Streams> id, @Nonnull final Streams dataAfter,
+                                       @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        //perform write of data,or throw exception
+        //invoked by PUT operation,if provided data doesn't exist in Config data
+        crudService.writeData(id, dataAfter);
+        try {
+            runScript(dataAfter.getActiveStreams().getValue());
+        }
+        catch (IOException e) {
+            String message = "Write operation failed " + e;
+            LOG.error(message);
+        }
+    }
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Streams> id,
+                                        @Nonnull final Streams dataBefore,
+                                        @Nonnull final Streams dataAfter, @Nonnull final WriteContext writeContext)
+            throws WriteFailedException {
+        //invoked by PUT operation,if provided data does exist in Config data
+        crudService.updateData(id, dataBefore, dataAfter);
+        try {
+            runScript(dataAfter.getActiveStreams().getValue());
+        }
+        catch (IOException e) {
+            String message = "Write operation failed " + e;
+            LOG.error(message);
+        }
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Streams> id,
+                                        @Nonnull final Streams dataBefore,
+                                        @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        //perform delete of data,or throw exception
+        // Not supported, throw exception
+        throw new WriteFailedException.DeleteFailedException(id,
+                new UnsupportedOperationException("Delete operation not supported"));
+    }
+
+    //Update the number of running streams running a custom script that uses the old vPacketGen REST APIs
+    private void runScript(long streams) throws IOException {
+
+        String script = new String("bash /opt/update_running_streams.sh " + streams);
+        Runtime.getRuntime().exec(script);
+        String message = "Number of running streams updated to " + streams;
+        LOG.info(message);
+    }
+}