1 files changed, 49 insertions, 0 deletions
diff --git a/src/main/java/org/elasticsearch/common/util/ByteArray.java b/src/main/java/org/elasticsearch/common/util/ByteArray.java
new file mode 100644
index 0000000..40c8c83
--- /dev/null
+++ b/src/main/java/org/elasticsearch/common/util/ByteArray.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch licenses this file to you 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 org.elasticsearch.common.util;
+
+import org.apache.lucene.util.BytesRef;
+
+/**
+ * Abstraction of an array of byte values.
+ */
+public interface ByteArray extends BigArray {
+
+    /**
+     * Get an element given its index.
+     */
+    public abstract byte get(long index);
+
+    /**
+     * Set a value at the given index and return the previous value.
+     */
+    public abstract byte set(long index, byte value);
+
+    /**
+     * Get a reference to a slice.
+     */
+    public abstract void get(long index, int len, BytesRef ref);
+
+    /**
+     * Bulk set.
+     */
+    public abstract void set(long index, byte[] buf, int offset, int len);
+
+}