1 files changed, 21 insertions, 0 deletions
diff --git a/airlift-zstd/src/main/java/ai/vespa/airlift/zstd/BlockCompressor.java b/airlift-zstd/src/main/java/ai/vespa/airlift/zstd/BlockCompressor.java
new file mode 100644
index 00000000000..a23fd0ae9a9
--- /dev/null
+++ b/airlift-zstd/src/main/java/ai/vespa/airlift/zstd/BlockCompressor.java
@@ -0,0 +1,21 @@
+/*
+ * 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 ai.vespa.airlift.zstd;
+
+interface BlockCompressor
+{
+    BlockCompressor UNSUPPORTED = (inputBase, inputAddress, inputSize, sequenceStore, blockCompressionState, offsets, parameters) -> { throw new UnsupportedOperationException(); };
+
+    int compressBlock(Object inputBase, long inputAddress, int inputSize, SequenceStore output, BlockCompressionState state, RepeatedOffsets offsets, CompressionParameters parameters);
+}