HONEYCOMB-9: Remove references to VPP from translation layer

Change-Id: I281db366a112edc08203e8cb392a212708d4552a
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

14 files changed, 0 insertions, 801 deletions

diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/Context.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/Context.java
deleted file mode 100644
index 16808db1f..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/Context.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * 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.vpp.facade;
-
-import com.google.common.collect.Maps;
-import java.util.HashMap;
-
-/**
- * Simple context class that provides transient storage during one or more read/write operations
- */
-public class Context implements AutoCloseable {
-
-    protected final HashMap<Object, Object> map;
-
-    public Context() {
-        map = Maps.newHashMap();
-    }
-
-    public Object get(final Object o) {
-        return map.get(o);
-    }
-
-    public boolean containsKey(final Object o) {
-        return map.containsKey(o);
-    }
-
-    public Object put(final Object o, final Object o2) {
-        return map.put(o, o2);
-    }
-
-    @Override
-    public void close() {
-        map.clear();
-    }
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/SubtreeManager.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/SubtreeManager.java
deleted file mode 100644
index 28eee203b..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/SubtreeManager.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * 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.vpp.facade;
-
-import com.google.common.annotations.Beta;
-import javax.annotation.Nonnull;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-/**
- * Base identifiable subtree manager(reader, writer etc.)
- *
- * @param <D> Specific DataObject derived type, that is managed by this manager
- */
-@Beta
-public interface SubtreeManager<D extends DataObject> {
-
-    /**
-     * Gets the type of node managed by this reader
-     *
-     * @return Class object for node managed by this reader
-     */
-    @Nonnull
-    InstanceIdentifier<D> getManagedDataObjectType();
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/VppApiInvocationException.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/VppApiInvocationException.java
deleted file mode 100644
index ac1d7f7db..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/VppApiInvocationException.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * 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.vpp.facade;
-
-import com.google.common.annotations.Beta;
-import com.google.common.base.Preconditions;
-import javax.annotation.Nonnull;
-
-/**
- * Thrown when Vpp jAPI method invocation failed.
- */
-@Beta
-public class VppApiInvocationException extends VppException {
-    private final String methodName;
-    private final int ctxId;
-    private final int errorCode;
-
-    /**
-     * Constructs an VppApiInvocationFailedException with the specified api method name and error code.
-     *
-     * @param methodName method name that failed to invoke
-     * @param ctxId      api request context identifier
-     * @param errorCode  negative error code value associated with this failure
-     * @throws NullPointerException     if apiMethodName is null
-     * @throws IllegalArgumentException if errorCode is nonnegative
-     */
-    public VppApiInvocationException(@Nonnull final String methodName, final int ctxId, final int errorCode) {
-        super(String.format("vppApi.%s failed with error code: %d (ctxId=%d) ", methodName, errorCode, ctxId));
-        this.methodName = Preconditions.checkNotNull(methodName, "apiMethodName is null!");
-        this.ctxId = ctxId;
-        Preconditions.checkArgument(errorCode < 0);
-        this.errorCode = errorCode;
-    }
-
-    /**
-     * Returns method name that failed to invoke.
-     *
-     * @return method name
-     */
-    public String getMethodName() {
-        return methodName;
-    }
-
-    /**
-     * Returns api request context identifier.
-     *
-     * @return value of context identifier
-     */
-    public int getCtxId() {
-        return ctxId;
-    }
-
-    /**
-     * Returns the error code associated with this failure.
-     *
-     * @return a negative integer error code
-     */
-    public int getErrorCode() {
-        return errorCode;
-    }
-}
-
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/VppException.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/VppException.java
deleted file mode 100644
index ff6101bb8..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/VppException.java
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * 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.vpp.facade;
-
-import com.google.common.annotations.Beta;
-
-/**
- * Base exception for Vpp translation layer
- */
-@Beta
-public class VppException extends Exception {
-
-    public VppException(final String s) {
-        super(s);
-    }
-
-    public VppException(final String s, final Throwable cause) {
-        super(s, cause);
-    }
-
-    public VppException(final Throwable cause) {
-        super(cause);
-    }
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ChildVppReader.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ChildVppReader.java
deleted file mode 100644
index 1608db4b2..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ChildVppReader.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * 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.vpp.facade.read;
-
-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
- *
- * @param <C> Specific DataObject derived type, that is handled by this reader
- */
-@Beta
-public interface ChildVppReader<C extends DataObject> extends VppReader<C> {
-
-    /**
-     * Reads 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.
-     * @param parentBuilder Builder of parent DataObject. Objects read on this level (if any) must be placed into the
-     *                      parent builder.
-     * @param ctx Read context
-     *
-     * @throws ReadFailedException if read was unsuccessful
-     */
-    void read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
-              @Nonnull final Builder<? extends DataObject> parentBuilder,
-              @Nonnull final ReadContext ctx) throws ReadFailedException;
-
-}
-
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ListVppReader.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ListVppReader.java
deleted file mode 100644
index 950014574..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ListVppReader.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * 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.vpp.facade.read;
-
-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.Identifiable;
-import org.opendaylight.yangtools.yang.binding.Identifier;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-/**
- * List VPP reader, allowing read of all the elements
- *
- * @param <D> Specific DataObject derived type, that is handled by this reader
- */
-@Beta
-public interface ListVppReader<D extends DataObject & Identifiable<K>, K extends Identifier<D>> extends VppReader<D> {
-
-    /**
-     * Read all elements in this list
-     *
-     * @param id Wildcarded identifier of list managed by this reader
-     * @param ctx Read context
-     *
-     * @return List of all entries in this list
-     * @throws ReadFailedException if read was unsuccessful
-     */
-    @Nonnull
-    List<D> readList(@Nonnull final InstanceIdentifier<D> id,
-                     @Nonnull final ReadContext ctx) throws ReadFailedException;
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ReadContext.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ReadContext.java
deleted file mode 100644
index 527888ab1..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ReadContext.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * 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.vpp.facade.read;
-
-import io.fd.honeycomb.v3po.vpp.facade.Context;
-import javax.annotation.Nonnull;
-
-/**
- * Read Context
- */
-public interface ReadContext extends AutoCloseable {
-
-    /**
-     * Get key value storage for customizers
-     *
-     * @return Context for customizers
-     */
-    @Nonnull
-    Context getContext();
-
-    @Override
-    void close();
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ReadFailedException.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ReadFailedException.java
deleted file mode 100644
index 3e87b925b..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ReadFailedException.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * 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.vpp.facade.read;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import io.fd.honeycomb.v3po.vpp.facade.VppException;
-import javax.annotation.Nonnull;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-/**
- * Thrown when Vpp reader or customizer is not able to read data for the given id.
- */
-public class ReadFailedException extends VppException {
-
-    private final InstanceIdentifier<?> failedId;
-
-    /**
-     * Constructs an ReadFailedException given data id and exception cause.
-     *
-     * @param failedId instance identifier of the data object that could not be read
-     * @param cause              the cause of read failure
-     */
-    public ReadFailedException(@Nonnull final InstanceIdentifier<?> failedId, final Throwable cause) {
-        super("Failed to read " + failedId, cause);
-        this.failedId = checkNotNull(failedId, "failedId should not be null");
-    }
-
-    /**
-     * Constructs an ReadFailedException given data id.
-     *
-     * @param failedId instance identifier of the data object that could not be read
-     */
-    public ReadFailedException(@Nonnull final InstanceIdentifier<?> failedId) {
-        this(failedId, null);
-    }
-
-    /**
-     * Returns id of the data object that could not be read.
-     *
-     * @return data object instance identifier
-     */
-    @Nonnull
-    public InstanceIdentifier<?> getFailedId() {
-        return failedId;
-    }
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ReaderRegistry.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ReaderRegistry.java
deleted file mode 100644
index 2bd51254f..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/ReaderRegistry.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * 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.vpp.facade.read;
-
-import com.google.common.annotations.Beta;
-import com.google.common.collect.Multimap;
-import javax.annotation.Nonnull;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-/**
- * Simple delegating reader suitable as a holder for all other root readers, providing readAll feature.
- */
-@Beta
-public interface ReaderRegistry extends VppReader<DataObject> {
-
-    /**
-     * Performs read on all registered root readers and merges the results into a Multimap. Keys represent identifiers
-     * for root DataObjects from the data tree modeled by YANG.
-     *
-     * @param ctx Read context
-     *
-     * @return multimap that preserves deterministic iteration order across non-distinct key values
-     * @throws ReadFailedException if read was unsuccessful
-     */
-    @Nonnull
-    Multimap<InstanceIdentifier<? extends DataObject>, ? extends DataObject> readAll(@Nonnull final ReadContext ctx)
-            throws ReadFailedException;
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/VppReader.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/VppReader.java
deleted file mode 100644
index 6eea594b4..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/read/VppReader.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * 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.vpp.facade.read;
-
-import com.google.common.annotations.Beta;
-import com.google.common.base.Optional;
-import io.fd.honeycomb.v3po.vpp.facade.SubtreeManager;
-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
- *
- * @param <D> Specific DataObject derived type, that is handled by this reader
- */
-@Beta
-public interface VppReader<D extends DataObject> extends SubtreeManager<D> {
-
-    // 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. For
-     *           identifiers pointing below node managed by this reader, it's reader's responsibility to filter out the
-     *           right node or to delegate the read to a child reader.
-     * @param ctx Read context
-     *
-     * @return List of DataObjects identified by id. If the ID points to a single node, it will be wrapped in a list
-     * @throws ReadFailedException if read was unsuccessful
-     */
-    @Nonnull
-    Optional<? extends DataObject> read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
-                                        @Nonnull ReadContext ctx) throws ReadFailedException;
-
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/ChildVppWriter.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/ChildVppWriter.java
deleted file mode 100644
index 017f5d9aa..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/ChildVppWriter.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * 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.vpp.facade.write;
-
-import com.google.common.annotations.Beta;
-import javax.annotation.Nonnull;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-/**
- * Child VPP writer allowing its parent to pass the builder object
- *
- * @param <C> Specific DataObject derived type, that is handled by this writer
- */
-@Beta
-public interface ChildVppWriter<D extends DataObject> extends VppWriter<D> {
-
-    /**
-     * Extract data object managed by this writer from parent data and perform write.
-     *
-     * @param parentId Id of parent node
-     * @param parentDataAfter Parent data from modification to extract data object from
-     * @param ctx Write context for current modification
-     */
-    void writeChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
-                    @Nonnull final DataObject parentDataAfter,
-                    @Nonnull final WriteContext ctx);
-
-    /**
-     * Extract data object managed by this writer(if necessary) from parent data and perform delete.
-     *
-     * @param parentId Id of parent node
-     * @param parentDataBefore Parent data before modification to extract data object from
-     * @param ctx Write context for current modification
-     */
-    void deleteChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
-                     @Nonnull final DataObject parentDataBefore,
-                     @Nonnull final WriteContext ctx);
-
-    /**
-     * Extract data object managed by this writer(if necessary) from parent data and perform delete.
-     *
-     * @param parentId Id of parent node
-     * @param parentDataBefore Parent data before modification to extract data object from
-     * @param parentDataAfter Parent data from modification to extract data object from
-     * @param ctx Write context for current modification
-     */
-    void updateChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
-                     @Nonnull final DataObject parentDataBefore,
-                     @Nonnull final DataObject parentDataAfter,
-                     @Nonnull final WriteContext ctx);
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/VppWriter.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/VppWriter.java
deleted file mode 100644
index 83f600f5b..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/VppWriter.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * 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.vpp.facade.write;
-
-import com.google.common.annotations.Beta;
-import io.fd.honeycomb.v3po.vpp.facade.SubtreeManager;
-import io.fd.honeycomb.v3po.vpp.facade.VppException;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-/**
- * Base VPP writer, responsible for translation between DataObjects and VPP APIs. Handling all update operations(create,
- * update, delete)
- *
- * @param <D> Specific DataObject derived type, that is handled by this writer
- */
-@Beta
-public interface VppWriter<D extends DataObject> extends SubtreeManager<D> {
-
-    /**
-     * Handle update operation. U from CRUD.
-     *
-     * @param id         Identifier(from root) of data being written
-     * @param dataBefore Old data
-     * @param dataAfter  New, updated data
-     * @param ctx        Write context enabling writer to get information about candidate data as well as current data
-     * @throws VppException if update failed
-     */
-    void update(@Nonnull final InstanceIdentifier<? extends DataObject> id,
-                @Nullable final DataObject dataBefore,
-                @Nullable final DataObject dataAfter,
-                @Nonnull final WriteContext ctx) throws VppException;
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/WriteContext.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/WriteContext.java
deleted file mode 100644
index ffc9f20f7..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/WriteContext.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * 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.vpp.facade.write;
-
-import com.google.common.annotations.Beta;
-import com.google.common.base.Optional;
-import io.fd.honeycomb.v3po.vpp.facade.Context;
-import javax.annotation.Nonnull;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-/**
- * Context providing information about current state of DataTree to writers
- */
-@Beta
-public interface WriteContext extends AutoCloseable {
-
-    /**
-     * Read any data object before current modification was applied
-     *
-     * @param currentId Id of an object to read
-     *
-     * @return Data before the modification was applied
-     */
-    Optional<DataObject> readBefore(@Nonnull final InstanceIdentifier<? extends DataObject> currentId);
-
-    /**
-     * Read any data object from current modification
-     *
-     * @param currentId Id of an object to read
-     *
-     * @return Data from the modification
-     */
-    Optional<DataObject> readAfter(@Nonnull final InstanceIdentifier<? extends DataObject> currentId);
-
-    /**
-     * Get key value storage for customizers
-     *
-     * @return Context for customizers
-     */
-    @Nonnull
-    Context getContext();
-
-    @Override
-    void close();
-}
diff --git a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/WriterRegistry.java b/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/WriterRegistry.java
deleted file mode 100644
index 0d3c17451..000000000
--- a/v3po/vpp-facade-api/src/main/java/io/fd/honeycomb/v3po/vpp/facade/write/WriterRegistry.java
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * 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.vpp.facade.write;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import com.google.common.annotations.Beta;
-import com.google.common.collect.ImmutableList;
-import io.fd.honeycomb.v3po.vpp.facade.VppException;
-import java.util.List;
-import java.util.Map;
-import javax.annotation.Nonnull;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-/**
- * Special {@link VppWriter} capable of performing bulk updates
- */
-@Beta
-public interface WriterRegistry extends VppWriter<DataObject> {
-
-    /**
-     * Performs bulk update
-     *
-     * @throws BulkUpdateException in case bulk update fails
-     * @throws VppException        in case some other error occurs while processing update request
-     */
-    void update(@Nonnull final Map<InstanceIdentifier<?>, DataObject> dataBefore,
-                @Nonnull final Map<InstanceIdentifier<?>, DataObject> dataAfter,
-                @Nonnull final WriteContext ctx) throws VppException;
-
-    /**
-     * Thrown when bulk update failed.
-     */
-    @Beta
-    class BulkUpdateException extends VppException {
-
-        private final Reverter reverter;
-        private final InstanceIdentifier<?> failedId; // TODO change to VppDataModification
-
-        /**
-         * Constructs an BulkUpdateException.
-         *
-         * @param failedId instance identifier of the data object that caused bulk update to fail.
-         * @param cause    the cause of bulk update failure
-         */
-        public BulkUpdateException(@Nonnull final InstanceIdentifier<?> failedId, @Nonnull final Reverter reverter,
-                                   final Throwable cause) {
-            super("Bulk update failed at " + failedId, cause);
-            this.failedId = checkNotNull(failedId, "failedId should not be null");
-            this.reverter = checkNotNull(reverter, "reverter should not be null");
-        }
-
-        /**
-         * Reverts changes that were successfully applied during bulk update before failure occurred.
-         *
-         * @throws Reverter.RevertFailedException if revert fails
-         */
-        public void revertChanges() throws Reverter.RevertFailedException {
-            reverter.revert();
-        }
-
-        /**
-         * Returns instance identifier of the data object that caused bulk update to fail.
-         *
-         * @return data object's instance identifier
-         */
-        @Nonnull
-        public InstanceIdentifier<?> getFailedId() {
-            return failedId;
-        }
-    }
-
-    /**
-     * Abstraction over revert mechanism in cast of a bulk update failure
-     */
-    @Beta
-    interface Reverter {
-
-        /**
-         * Reverts changes that were successfully applied during bulk update before failure occurred. Changes are
-         * reverted in reverse order they were applied.
-         *
-         * @throws RevertFailedException if not all of applied changes were successfully reverted
-         */
-        void revert() throws RevertFailedException;
-
-        /**
-         * Thrown when some of the changes applied during bulk update were not reverted.
-         */
-        @Beta
-        class RevertFailedException extends VppException {
-
-            // TODO change to list of VppDataModifications to make debugging easier
-            private final List<InstanceIdentifier<?>> notRevertedChanges;
-
-            /**
-             * Constructs an RevertFailedException with the list of changes that were not reverted.
-             *
-             * @param notRevertedChanges list of changes that were not reverted
-             * @param cause              the cause of revert failure
-             */
-            public RevertFailedException(@Nonnull final List<InstanceIdentifier<?>> notRevertedChanges,
-                                         final Throwable cause) {
-                super(cause);
-                checkNotNull(notRevertedChanges, "notRevertedChanges should not be null");
-                this.notRevertedChanges = ImmutableList.copyOf(notRevertedChanges);
-            }
-
-            /**
-             * Returns the list of changes that were not reverted.
-             *
-             * @return list of changes that were not reverted
-             */
-            @Nonnull
-            public List<InstanceIdentifier<?>> getNotRevertedChanges() {
-                return notRevertedChanges;
-            }
-        }
-    }
-}
\ No newline at end of file