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-rw-r--r--v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/BindingBrokerReader.java67
-rw-r--r--v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/NoopReaderCustomizer.java4
2 files changed, 70 insertions, 1 deletions
diff --git a/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/BindingBrokerReader.java b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/BindingBrokerReader.java
new file mode 100644
index 000000000..58695cf8b
--- /dev/null
+++ b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/BindingBrokerReader.java
@@ -0,0 +1,67 @@
+/*
+ * 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.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> implements Reader<D> {
+
+ private final InstanceIdentifier<D> instanceIdentifier;
+ private final DataBroker dataBroker;
+ private final LogicalDatastoreType datastoreType;
+
+ public BindingBrokerReader(final Class<D> managedDataObjectType, final DataBroker dataBroker,
+ final LogicalDatastoreType datastoreType) {
+ this.dataBroker = dataBroker;
+ this.datastoreType = datastoreType;
+ this.instanceIdentifier = InstanceIdentifier.create(managedDataObjectType);
+ }
+
+ @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);
+ }
+ }
+ }
+
+ @Nonnull
+ @Override
+ public InstanceIdentifier<D> getManagedDataObjectType() {
+ return instanceIdentifier;
+ }
+}
diff --git a/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/NoopReaderCustomizer.java b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/NoopReaderCustomizer.java
index 5ed033755..3b703da3f 100644
--- a/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/NoopReaderCustomizer.java
+++ b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/NoopReaderCustomizer.java
@@ -17,6 +17,7 @@
package io.fd.honeycomb.v3po.translate.util.read;
import io.fd.honeycomb.v3po.translate.Context;
+import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
import io.fd.honeycomb.v3po.translate.spi.read.RootReaderCustomizer;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
@@ -26,7 +27,8 @@ public abstract class NoopReaderCustomizer<C extends DataObject, B extends Build
RootReaderCustomizer<C, B> {
@Override
- public void readCurrentAttributes(InstanceIdentifier<C> id, final B builder, final Context context) {
+ public void readCurrentAttributes(InstanceIdentifier<C> id, final B builder, final Context context) throws
+ ReadFailedException {
// Noop
}
}