HONEYCOMB-8: Move data layer from impl module into submodules

Change-Id: Ic75793f65cfcad7cc2c96e7a09093e0e1802e4e5
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

3 files changed, 251 insertions, 0 deletions

diff --git a/v3po/config/pom.xml b/v3po/config/pom.xml
new file mode 100644
index 000000000..910fc7daa
--- /dev/null
+++ b/v3po/config/pom.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>io.fd.honeycomb.common</groupId>
+        <artifactId>api-parent</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+        <relativePath>../../common/api-parent</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>io.fd.honeycomb.v3po</groupId>
+    <artifactId>config</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>bundle</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.fd.honeycomb.v3po</groupId>
+            <artifactId>translate-impl</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.fd.honeycomb.v3po</groupId>
+            <artifactId>v3po2vpp</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/v3po/config/src/main/java/io/fd/honeycomb/v3po/config/ReaderRegistry.java b/v3po/config/src/main/java/io/fd/honeycomb/v3po/config/ReaderRegistry.java
new file mode 100644
index 000000000..7ab2dd430
--- /dev/null
+++ b/v3po/config/src/main/java/io/fd/honeycomb/v3po/config/ReaderRegistry.java
@@ -0,0 +1,116 @@
+/*
+ * 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.config;
+
+import com.google.common.base.Optional;
+import com.google.common.collect.Multimap;
+import io.fd.honeycomb.v3po.translate.impl.read.CompositeChildReader;
+import io.fd.honeycomb.v3po.translate.impl.read.CompositeListReader;
+import io.fd.honeycomb.v3po.translate.impl.read.CompositeRootReader;
+import io.fd.honeycomb.v3po.translate.util.read.DelegatingReaderRegistry;
+import io.fd.honeycomb.v3po.translate.util.read.ReflexiveChildReaderCustomizer;
+import io.fd.honeycomb.v3po.translate.util.read.ReflexiveRootReaderCustomizer;
+import io.fd.honeycomb.v3po.translate.util.RWUtils;
+import io.fd.honeycomb.v3po.translate.read.ChildReader;
+import io.fd.honeycomb.v3po.translate.read.ReadContext;
+import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
+import io.fd.honeycomb.v3po.translate.read.Reader;
+import io.fd.honeycomb.v3po.translate.v3po.vppstate.BridgeDomainCustomizer;
+import io.fd.honeycomb.v3po.translate.v3po.vppstate.VersionCustomizer;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppStateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.BridgeDomains;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.BridgeDomainsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.Version;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomainBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomainKey;
+import org.opendaylight.yangtools.yang.binding.ChildOf;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.vppjapi.vppApi;
+
+// TODO use some DI framework instead of singleton
+public class ReaderRegistry implements io.fd.honeycomb.v3po.translate.read.ReaderRegistry {
+
+    private static ReaderRegistry instance;
+
+    private final DelegatingReaderRegistry reader;
+
+    private ReaderRegistry(@Nonnull final vppApi vppApi) {
+        final CompositeRootReader<VppState, VppStateBuilder> vppStateReader = initVppStateReader(vppApi);
+        // TODO add more root readers
+        reader = new DelegatingReaderRegistry(Collections.<Reader<? extends DataObject>>singletonList(vppStateReader));
+    }
+
+    private static CompositeRootReader<VppState, VppStateBuilder> initVppStateReader(@Nonnull final vppApi vppApi) {
+
+        final ChildReader<Version> versionReader = new CompositeChildReader<>(
+                Version.class, new VersionCustomizer(vppApi));
+
+        final CompositeListReader<BridgeDomain, BridgeDomainKey, BridgeDomainBuilder>
+                bridgeDomainReader = new CompositeListReader<>(
+                BridgeDomain.class,
+                new BridgeDomainCustomizer(vppApi));
+
+        final ChildReader<BridgeDomains> bridgeDomainsReader = new CompositeChildReader<>(
+                BridgeDomains.class,
+                RWUtils.singletonChildReaderList(bridgeDomainReader),
+                new ReflexiveChildReaderCustomizer<>(BridgeDomainsBuilder.class));
+
+        final List<ChildReader<? extends ChildOf<VppState>>> childVppReaders = new ArrayList<>();
+        childVppReaders.add(versionReader);
+        childVppReaders.add(bridgeDomainsReader);
+
+        return new CompositeRootReader<>(
+                VppState.class,
+                childVppReaders,
+                RWUtils.<VppState>emptyAugReaderList(),
+                new ReflexiveRootReaderCustomizer<>(VppStateBuilder.class));
+    }
+
+    public static synchronized ReaderRegistry getInstance(@Nonnull final vppApi vppApi) {
+        if (instance == null) {
+            instance = new ReaderRegistry(vppApi);
+        }
+        return instance;
+    }
+
+    @Nonnull
+    @Override
+    public Multimap<InstanceIdentifier<? extends DataObject>, ? extends DataObject> readAll(
+        @Nonnull final ReadContext ctx) throws ReadFailedException {
+        return reader.readAll(ctx);
+    }
+
+    @Nonnull
+    @Override
+    public Optional<? extends DataObject> read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+                                               @Nonnull final ReadContext ctx) throws ReadFailedException {
+        return reader.read(id, ctx);
+    }
+
+    @Nonnull
+    @Override
+    public InstanceIdentifier<DataObject> getManagedDataObjectType() {
+        return reader.getManagedDataObjectType();
+    }
+}
diff --git a/v3po/config/src/main/java/io/fd/honeycomb/v3po/config/WriterRegistry.java b/v3po/config/src/main/java/io/fd/honeycomb/v3po/config/WriterRegistry.java
new file mode 100644
index 000000000..2d579c449
--- /dev/null
+++ b/v3po/config/src/main/java/io/fd/honeycomb/v3po/config/WriterRegistry.java
@@ -0,0 +1,104 @@
+/*
+ * 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.config;
+
+import io.fd.honeycomb.v3po.translate.TranslationException;
+import io.fd.honeycomb.v3po.translate.util.RWUtils;
+import io.fd.honeycomb.v3po.translate.impl.write.CompositeChildWriter;
+import io.fd.honeycomb.v3po.translate.impl.write.CompositeListWriter;
+import io.fd.honeycomb.v3po.translate.impl.write.CompositeRootWriter;
+import io.fd.honeycomb.v3po.translate.util.write.DelegatingWriterRegistry;
+import io.fd.honeycomb.v3po.translate.util.write.NoopWriterCustomizer;
+import io.fd.honeycomb.v3po.translate.util.write.ReflexiveChildWriterCustomizer;
+import io.fd.honeycomb.v3po.translate.v3po.vpp.BridgeDomainCustomizer;
+import io.fd.honeycomb.v3po.translate.write.ChildWriter;
+import io.fd.honeycomb.v3po.translate.write.Writer;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.Vpp;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.BridgeDomains;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.bridge.domains.BridgeDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.bridge.domains.BridgeDomainKey;
+import org.opendaylight.yangtools.yang.binding.ChildOf;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.vppjapi.vppApi;
+
+// TODO use some DI framework instead of singleton
+public class WriterRegistry implements io.fd.honeycomb.v3po.translate.write.WriterRegistry {
+
+    private static WriterRegistry instance;
+
+    private final DelegatingWriterRegistry writer;
+
+    private WriterRegistry(@Nonnull final vppApi vppApi) {
+        final CompositeRootWriter<Vpp> vppWriter = initVppStateWriter(vppApi);
+        writer = new DelegatingWriterRegistry(Collections.<Writer<? extends DataObject>>singletonList(vppWriter));
+    }
+
+    private static CompositeRootWriter<Vpp> initVppStateWriter(@Nonnull final vppApi vppApi) {
+        final CompositeListWriter<BridgeDomain, BridgeDomainKey> bridgeDomainWriter = new CompositeListWriter<>(
+            BridgeDomain.class,
+            new BridgeDomainCustomizer(vppApi));
+
+        final ChildWriter<BridgeDomains> bridgeDomainsWriter = new CompositeChildWriter<>(
+            BridgeDomains.class,
+            RWUtils.singletonChildWriterList(bridgeDomainWriter),
+            new ReflexiveChildWriterCustomizer<BridgeDomains>());
+
+        final List<ChildWriter<? extends ChildOf<Vpp>>> childWriters = new ArrayList<>();
+        childWriters.add(bridgeDomainsWriter);
+
+        return new CompositeRootWriter<>(
+            Vpp.class,
+            childWriters,
+            new NoopWriterCustomizer<Vpp>());
+    }
+
+    public static synchronized WriterRegistry getInstance(@Nonnull final vppApi vppApi) {
+        if (instance == null) {
+            instance = new WriterRegistry(vppApi);
+        }
+        return instance;
+    }
+
+    @Nonnull
+    @Override
+    public InstanceIdentifier<DataObject> getManagedDataObjectType() {
+        return writer.getManagedDataObjectType();
+    }
+
+    @Override
+    public void update(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+                       @Nullable final DataObject dataBefore,
+                       @Nullable final DataObject data, @Nonnull final WriteContext ctx) throws TranslationException {
+        writer.update(id, dataBefore, data, ctx);
+    }
+
+    @Override
+    public void update(@Nonnull final Map<InstanceIdentifier<?>, DataObject> dataBefore,
+                       @Nonnull final Map<InstanceIdentifier<?>, DataObject> dataAfter,
+                       @Nonnull final WriteContext ctx)
+        throws TranslationException {
+        writer.update(dataBefore, dataAfter, ctx);
+    }
+}