1 files changed, 28 insertions, 0 deletions
diff --git a/airlift-zstd/src/main/java/ai/vespa/airlift/compress/Compressor.java b/airlift-zstd/src/main/java/ai/vespa/airlift/compress/Compressor.java
new file mode 100644
index 00000000000..ba0530c985f
--- /dev/null
+++ b/airlift-zstd/src/main/java/ai/vespa/airlift/compress/Compressor.java
@@ -0,0 +1,28 @@
+/*
+ * 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.compress;
+
+import java.nio.ByteBuffer;
+
+public interface Compressor
+{
+    int maxCompressedLength(int uncompressedSize);
+
+    /**
+     * @return number of bytes written to the output
+     */
+    int compress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength);
+
+    void compress(ByteBuffer input, ByteBuffer output);
+}