1 files changed, 71 insertions, 0 deletions
diff --git a/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/oper/CountersReaderCustomizer.java b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/oper/CountersReaderCustomizer.java
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index 000000000..b5ec2cbd9
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+++ b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/oper/CountersReaderCustomizer.java
@@ -0,0 +1,71 @@
+/*
+ * 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.
+ */
+
+package io.fd.honeycomb.samples.interfaces.mapping.oper;
+
+import io.fd.honeycomb.samples.interfaces.mapping.LowerLayerAccess;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810._interface.state.Counters;
+import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810._interface.state.CountersBuilder;
+import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.state.Interface;
+import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.state.InterfaceBuilder;
+import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.state.InterfaceKey;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This is a customizer responsible for reading Counters operational data
+ */
+public class CountersReaderCustomizer implements ReaderCustomizer<Counters, CountersBuilder> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(CountersReaderCustomizer.class);
+    private final LowerLayerAccess access;
+
+    public CountersReaderCustomizer(final LowerLayerAccess access) {
+        this.access = access;
+    }
+
+
+    @Nonnull
+    @Override
+    public CountersBuilder getBuilder(@Nonnull final InstanceIdentifier<Counters> id) {
+        return new CountersBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Counters> id,
+                                      @Nonnull final CountersBuilder builder, @Nonnull final ReadContext ctx)
+            throws ReadFailedException {
+        // Get the information about which interface to get counters for
+        final InterfaceKey interfaceKey = id.firstKeyOf(Interface.class);
+        LOG.info("Reading counters for interface: {} at {}", interfaceKey.getInterfaceId(), id);
+
+        // Set some random data
+        builder.setDroppedPackets(access.getDroppedPacketsForIfc(interfaceKey.getInterfaceId().getValue()));
+        builder.setTotalPackets(access.getTotalPacketsForInterface(interfaceKey.getInterfaceId().getValue()));
+    }
+
+    @Override
+    public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final Counters readValue) {
+        ((InterfaceBuilder) parentBuilder).setCounters(readValue);
+    }
+}