1 files changed, 93 insertions, 0 deletions
diff --git a/tools/archetype/src/main/resources/archetype-resources/__rootArtifactId__-impl/src/main/java/read/ElementStateCustomizer.java b/tools/archetype/src/main/resources/archetype-resources/__rootArtifactId__-impl/src/main/java/read/ElementStateCustomizer.java
new file mode 100644
index 000000000..8f1c3a79d
--- /dev/null
+++ b/tools/archetype/src/main/resources/archetype-resources/__rootArtifactId__-impl/src/main/java/read/ElementStateCustomizer.java
@@ -0,0 +1,93 @@
+/*
+ * 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.
+ */
+
+#macro( ccase $str )
+#foreach( $word in $rootArtifactId.split('-') )$word.substring(0,1).toUpperCase()$word.substring(1)#end
+#end
+#set( $classNamePrefix = "#ccase( $rootArtifactId )" )
+#macro( dotted $str )
+#foreach( $word in $rootArtifactId.split('-') )$word.#end
+#end
+#set( $packageName = "#dotted( $rootArtifactId )" )
+package ${package}.read;
+
+import ${package}.CrudService;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import java.util.List;
+import java.util.stream.Collectors;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.${packageName}rev160918.${classNamePrefix}StateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.${packageName}rev160918.${packageName}params.Element;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.${packageName}rev160918.${packageName}params.ElementBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.${packageName}rev160918.${packageName}params.ElementKey;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Reader for {@link Element} list node from our YANG model.
+ */
+public final class ElementStateCustomizer implements
+        ListReaderCustomizer<Element, ElementKey, ElementBuilder> {
+
+    private final CrudService<Element> crudService;
+
+    public ElementStateCustomizer(final CrudService<Element> crudService) {
+        this.crudService = crudService;
+    }
+
+    @Nonnull
+    @Override
+    public List<ElementKey> getAllIds(@Nonnull final InstanceIdentifier<Element> id, @Nonnull final ReadContext context)
+            throws ReadFailedException {
+        // perform read operation and extract keys from data
+        return crudService.readAll()
+                .stream()
+                .map(a -> new ElementKey(a.getId()))
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final List<Element> readData) {
+        // merge children data to parent builder
+        // used by infrastructure to merge data loaded in separated customizers
+        ((${classNamePrefix}StateBuilder) builder).setElement(readData);
+    }
+
+    @Nonnull
+    @Override
+    public ElementBuilder getBuilder(@Nonnull final InstanceIdentifier<Element> id) {
+        // return new builder for this data node
+        return new ElementBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Element> id,
+                                      @Nonnull final ElementBuilder builder,
+                                      @Nonnull final ReadContext ctx) throws ReadFailedException {
+        // this stage is used after reading all ids by getAllIds,to read specific details about data
+
+        // perform read of details of data specified by key of Element in id
+        final Element data = crudService.readSpecific(id);
+
+        // and sets it to builder
+        builder.setId(data.getId());
+        builder.setKey(data.getKey());
+        builder.setDescription(data.getDescription());
+    }
+}