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-rw-r--r--v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/ChildVppReader.java41
-rw-r--r--v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/ReaderRegistry.java29
-rw-r--r--v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/VppReader.java55
3 files changed, 125 insertions, 0 deletions
diff --git a/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/ChildVppReader.java b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/ChildVppReader.java
new file mode 100644
index 000000000..5d57c6064
--- /dev/null
+++ b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/ChildVppReader.java
@@ -0,0 +1,41 @@
+/*
+ * 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.v3po.impl.trans;
+
+import com.google.common.annotations.Beta;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Child VPP reader allowing its parent to pass the builder object
+ */
+@Beta
+public interface ChildVppReader<C extends DataObject> extends VppReader<C> {
+
+ /**
+ * Read subtree starting from node managed by this reader and place the subtree within parent builder object if
+ * the data exists.
+ *
+ * @param id Unique identifier pointing to the node managed by this reader. Useful when necessary to determine
+ * the exact position within more complex subtrees.
+ */
+ void read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+ @Nonnull final Builder<? extends DataObject> parentBuilder);
+
+}
+
diff --git a/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/ReaderRegistry.java b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/ReaderRegistry.java
new file mode 100644
index 000000000..cea5c8137
--- /dev/null
+++ b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/ReaderRegistry.java
@@ -0,0 +1,29 @@
+/*
+ * 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.v3po.impl.trans;
+
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+
+/**
+ * Simple delegating reader suitable as a holder for all other root readers, providing readAll feature
+ */
+public interface ReaderRegistry extends VppReader<DataObject> {
+
+ @Nonnull List<? extends DataObject> readAll();
+}
diff --git a/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/VppReader.java b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/VppReader.java
new file mode 100644
index 000000000..0033cfc07
--- /dev/null
+++ b/v3po/impl/src/main/java/io/fd/honeycomb/v3po/impl/trans/VppReader.java
@@ -0,0 +1,55 @@
+/*
+ * 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.v3po.impl.trans;
+
+import com.google.common.annotations.Beta;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Base VPP reader, responsible for translation between DataObjects and VPP apis
+ */
+@Beta
+public interface VppReader<D extends DataObject> {
+
+ // TODO add vpp read context that will be shared by all readers during a single read to keep useful information
+ // preventing possible duplicate reads from VPP
+ // TODO make async
+
+ /**
+ * Reads from VPP data identified by id
+ *
+ * @param id unique identifier of subtree to be read.
+ * The subtree must contain managed data object type enforcing it to point
+ * to the node type managed by this reader or below. For identifiers pointing below
+ * node managed by this reader, its reader's responsibility to filter out the right
+ * node or to delegate the read to a child reader.
+ *
+ * @return List of DataObjects identified by id. If the ID points to a single node, it will be wrapped in a list
+ */
+ @Nonnull List<? extends DataObject> read(@Nonnull final InstanceIdentifier<? extends DataObject> id);
+
+
+ /**
+ * Get the type of node managed by this reader
+ *
+ * @return Class object for node managed by this reader
+ */
+ @Nonnull InstanceIdentifier<D> getManagedDataObjectType();
+}