1 files changed, 71 insertions, 0 deletions
diff --git a/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/write/registry/FlatWriterRegistryBuilder.java b/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/write/registry/FlatWriterRegistryBuilder.java
new file mode 100644
index 000000000..0f75de7e7
--- /dev/null
+++ b/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/write/registry/FlatWriterRegistryBuilder.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.translate.util.write.registry;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.collect.ImmutableMap;
+import io.fd.honeycomb.translate.write.registry.WriterRegistryBuilder;
+import io.fd.honeycomb.translate.util.AbstractSubtreeManagerRegistryBuilderBuilder;
+import io.fd.honeycomb.translate.write.Writer;
+import io.fd.honeycomb.translate.write.registry.ModifiableWriterRegistryBuilder;
+import io.fd.honeycomb.translate.write.registry.WriterRegistry;
+import java.util.Set;
+import java.util.stream.Collectors;
+import javax.annotation.Nonnull;
+import javax.annotation.concurrent.NotThreadSafe;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Builder for {@link FlatWriterRegistry} allowing users to specify inter-writer relationships.
+ */
+@NotThreadSafe
+public final class FlatWriterRegistryBuilder
+        extends AbstractSubtreeManagerRegistryBuilderBuilder<Writer<? extends DataObject>, WriterRegistry>
+        implements ModifiableWriterRegistryBuilder, WriterRegistryBuilder {
+
+    private static final Logger LOG = LoggerFactory.getLogger(FlatWriterRegistryBuilder.class);
+
+    @Override
+    protected Writer<? extends DataObject> getSubtreeHandler(final @Nonnull Set<InstanceIdentifier<?>> handledChildren,
+                                                             final @Nonnull Writer<? extends DataObject> writer) {
+        return SubtreeWriter.createForWriter(handledChildren, writer);
+    }
+
+    /**
+     * Create FlatWriterRegistry with writers ordered according to submitted relationships.
+     */
+    @Override
+    public WriterRegistry build() {
+        final ImmutableMap<InstanceIdentifier<?>, Writer<?>> mappedWriters = getMappedHandlers();
+        LOG.debug("Building writer registry with writers: {}",
+                mappedWriters.keySet().stream()
+                        .map(InstanceIdentifier::getTargetType)
+                        .map(Class::getSimpleName)
+                        .collect(Collectors.joining(", ")));
+        LOG.trace("Building writer registry with writers: {}", mappedWriters);
+        return new FlatWriterRegistry(mappedWriters);
+    }
+
+    @VisibleForTesting
+    @Override
+    protected ImmutableMap<InstanceIdentifier<?>, Writer<? extends DataObject>> getMappedHandlers() {
+        return super.getMappedHandlers();
+    }
+}