1 files changed, 49 insertions, 0 deletions
diff --git a/infra/translate-api/src/main/java/io/fd/honeycomb/translate/ModificationCache.java b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/ModificationCache.java
new file mode 100644
index 000000000..dcf97439b
--- /dev/null
+++ b/infra/translate-api/src/main/java/io/fd/honeycomb/translate/ModificationCache.java
@@ -0,0 +1,49 @@
+/*
+ * 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;
+
+import com.google.common.collect.Maps;
+import java.util.HashMap;
+
+/**
+ * Simple context class that provides transient storage during one or more read/write operations
+ */
+public class ModificationCache implements AutoCloseable {
+
+    protected final HashMap<Object, Object> map;
+
+    public ModificationCache() {
+        map = Maps.newHashMap();
+    }
+
+    public Object get(final Object o) {
+        return map.get(o);
+    }
+
+    public boolean containsKey(final Object o) {
+        return map.containsKey(o);
+    }
+
+    public Object put(final Object o, final Object o2) {
+        return map.put(o, o2);
+    }
+
+    @Override
+    public void close() {
+        map.clear();
+    }
+}