1 files changed, 45 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/cache/InterfaceNamesDumpManager.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/cache/InterfaceNamesDumpManager.java
new file mode 100644
index 000000000..e2c1d03b7
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+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/cache/InterfaceNamesDumpManager.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2019 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.hc2vpp.v3po.interfacesstate.cache;
+
+import io.fd.honeycomb.translate.ModificationCache;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.jvpp.stats.dto.InterfaceName;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Manager for dump data of interface names from stats api. The main purpose of this manager is to cache common
+ * interface data between various classes that process this kind of data.
+ */
+public interface InterfaceNamesDumpManager {
+
+    /**
+     * Provides stream of all currently configured vpp interface names
+     *
+     * @param identifier id of currently processed data
+     * @param cache        Modification cache of current transaction
+     * @return {@link List} of currently configured interface names
+     * @throws ReadFailedException if dumping of data was unsuccessful
+     */
+    @Nonnull
+    List<InterfaceName> getInterfaceNames(@Nonnull final InstanceIdentifier<?> identifier,
+                                          @Nonnull final ModificationCache cache)
+            throws ReadFailedException;
+}