From 0578156b721fa01c8c645b8f9625ecebdb6449e4 Mon Sep 17 00:00:00 2001
From: Maros Marsalek <mmarsale@cisco.com>
Date: Wed, 27 Jul 2016 11:05:51 +0200
Subject: HONEYCOMB-130: Separate v3po plugin from HC infra

Creating folders:
- common/
- infra/
- v3po/
- vpp-common/

Change-Id: I2c39e1b17e39e7c0f0628f44aa5fe08563fa06e4
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
---
 .../translate/util/read/BindingBrokerReader.java   | 96 ++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 infra/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/BindingBrokerReader.java

(limited to 'infra/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/BindingBrokerReader.java')

diff --git a/infra/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/BindingBrokerReader.java b/infra/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/BindingBrokerReader.java
new file mode 100644
index 000000000..68aa3956e
--- /dev/null
+++ b/infra/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/BindingBrokerReader.java
@@ -0,0 +1,96 @@
+/*
+ * 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.translate.util.read;
+
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.CheckedFuture;
+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 javax.annotation.Nonnull;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Simple DataBroker backed reader allowing to delegate reads to different brokers.
+ */
+public final class BindingBrokerReader<D extends DataObject, B extends Builder<D>>
+        implements Reader<D, B>, AutoCloseable {
+
+    private final InstanceIdentifier<D> instanceIdentifier;
+    private final DataBroker dataBroker;
+    private final LogicalDatastoreType datastoreType;
+    private final ReflexiveReaderCustomizer<D, B> reflexiveReaderCustomizer;
+
+    public BindingBrokerReader(final InstanceIdentifier<D> instanceIdentifier,
+                               final DataBroker dataBroker,
+                               final LogicalDatastoreType datastoreType,
+                               final Class<B> builderClass) {
+        this.reflexiveReaderCustomizer = new ReflexiveReaderCustomizer<>(instanceIdentifier.getTargetType(), builderClass);
+        this.instanceIdentifier = instanceIdentifier;
+        this.dataBroker = dataBroker;
+        this.datastoreType = datastoreType;
+    }
+
+    @Nonnull
+    @Override
+    public Optional<? extends DataObject> read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+                                               @Nonnull final ReadContext ctx) throws ReadFailedException {
+        try (final ReadOnlyTransaction readOnlyTransaction = dataBroker.newReadOnlyTransaction()) {
+            final CheckedFuture<? extends Optional<? extends DataObject>, org.opendaylight.controller.md.sal.common.api.data.ReadFailedException>
+                read = readOnlyTransaction.read(datastoreType, id);
+            try {
+                return read.checkedGet();
+            } catch (org.opendaylight.controller.md.sal.common.api.data.ReadFailedException e) {
+                throw new ReadFailedException(id, e);
+            }
+        }
+    }
+
+    @Override
+    public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final D readValue) {
+        reflexiveReaderCustomizer.merge(parentBuilder, readValue);
+    }
+
+    @Nonnull
+    @Override
+    public B getBuilder(final InstanceIdentifier<D> id) {
+        return reflexiveReaderCustomizer.getBuilder(id);
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<D> id,
+                                      @Nonnull final B builder,
+                                      @Nonnull final ReadContext ctx) throws ReadFailedException {
+        throw new UnsupportedOperationException("Not supported");
+    }
+
+    @Nonnull
+    @Override
+    public InstanceIdentifier<D> getManagedDataObjectType() {
+        return instanceIdentifier;
+    }
+
+    @Override
+    public void close() throws Exception {
+        // Noop
+    }
+}
-- 
cgit 1.2.3-korg