1 files changed, 106 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/DisabledInterfacesManager.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/DisabledInterfacesManager.java
new file mode 100644
index 000000000..9772923c3
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/DisabledInterfacesManager.java
@@ -0,0 +1,106 @@
+/*
+ * 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.translate.v3po;
+
+import com.google.common.base.Optional;
+import com.google.inject.Inject;
+import com.google.inject.name.Named;
+import io.fd.honeycomb.translate.MappingContext;
+import io.fd.honeycomb.translate.read.ReaderFactory;
+import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
+import io.fd.honeycomb.translate.util.read.BindingBrokerReader;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.DisabledInterfaces;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.DisabledInterfacesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.disabled.interfaces.DisabledInterfaceIndex;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.disabled.interfaces.DisabledInterfaceIndexBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.context.rev160909.disabled.interfaces.DisabledInterfaceIndexKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
+
+/**
+ * Facade on top of {@link MappingContext} making access to {@link DisabledInterfaces} easier.
+ */
+public class DisabledInterfacesManager {
+
+    private static final InstanceIdentifier<DisabledInterfaces>
+            DISABLED_IFCS_ROOT = InstanceIdentifier.create(DisabledInterfaces.class);
+
+    /**
+     * Read the list of currently disabled interfaces.
+     */
+    public List<Integer> getDisabledInterfaces(@Nonnull final MappingContext ctx) {
+        final Optional<DisabledInterfaces> read = ctx.read(DISABLED_IFCS_ROOT);
+        if (read.isPresent()) {
+            return read.get().getDisabledInterfaceIndex().stream()
+                    .map(DisabledInterfaceIndex::getIndex)
+                    .collect(Collectors.toList());
+        } else {
+            return Collections.emptyList();
+        }
+    }
+
+    /**
+     * Check whether a specific interface is disabled.
+     */
+    public boolean isInterfaceDisabled(final int index, @Nonnull final MappingContext ctx) {
+        return ctx.read(getKeyedId(index))
+                .isPresent();
+    }
+
+    /**
+     * Make a specific interface disabled.
+     */
+    public void disableInterface(final int index, @Nonnull final MappingContext ctx) {
+        ctx.put(getKeyedId(index), getDisabledInterfaceIndex(index));
+    }
+
+    /**
+     * Remove interface disability.
+     */
+    public void removeDisabledInterface(final int index, @Nonnull final MappingContext ctx) {
+        ctx.delete(getKeyedId(index));
+    }
+
+    private static DisabledInterfaceIndex getDisabledInterfaceIndex(final int index) {
+        return new DisabledInterfaceIndexBuilder().setIndex(index).build();
+    }
+
+    private static KeyedInstanceIdentifier<DisabledInterfaceIndex, DisabledInterfaceIndexKey> getKeyedId(final int id) {
+        return DISABLED_IFCS_ROOT.child(DisabledInterfaceIndex.class, new DisabledInterfaceIndexKey(id));
+    }
+
+    public static final class ContextsReaderFactory implements ReaderFactory {
+
+        @Inject
+        @Named("honeycomb-context")
+        private DataBroker contextBindingBrokerDependency;
+
+        @Override
+        public void init(final ModifiableReaderRegistryBuilder registry) {
+            registry.add(new BindingBrokerReader<>(DISABLED_IFCS_ROOT,
+                    contextBindingBrokerDependency,
+                    LogicalDatastoreType.OPERATIONAL, DisabledInterfacesBuilder.class));
+        }
+    }
+
+}