New Chronicle-Map

src/test/java/net/openhft/chronicle/map/ByteableIntValueMarshaller.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2014 Higher Frequency Trading http://www.higherfrequencytrading.com
+ *
+ * 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 net.openhft.chronicle.map;
+
+import net.openhft.lang.io.Bytes;
+import net.openhft.lang.io.NativeBytes;
+import net.openhft.lang.io.serialization.BytesMarshaller;
+import net.openhft.lang.io.serialization.ObjectFactory;
+import net.openhft.lang.model.Byteable;
+import net.openhft.lang.model.DataValueClasses;
+import net.openhft.lang.values.IntValue;
+import org.jetbrains.annotations.Nullable;
+
+enum ByteableIntValueMarshaller implements BytesMarshaller<IntValue> {
+    INSTANCE;
+
+    static final Class DIRECT = DataValueClasses.directClassFor(IntValue.class);
+
+    @Override
+    public void write(Bytes bytes, IntValue intValue) {
+        Byteable biv = (Byteable) intValue;
+        bytes.write(biv.bytes(), biv.offset(), biv.maxSize());
+    }
+
+    @Nullable
+    @Override
+    public IntValue read(Bytes bytes) {
+        return read(bytes, null);
+    }
+
+    @Nullable
+    @Override
+    public IntValue read(Bytes bytes, @Nullable IntValue intValue) {
+        try {
+            if (intValue == null)
+                intValue = (IntValue) NativeBytes.UNSAFE.allocateInstance(DIRECT);
+            Byteable biv = (Byteable) intValue;
+            biv.bytes(bytes, bytes.position());
+            bytes.skip(biv.maxSize());
+            return intValue;
+        } catch (Exception e) {
+            throw new IllegalStateException(e);
+        }
+
+    }
+}
+
+enum DirectIntValueFactory implements ObjectFactory<IntValue> {
+    INSTANCE;
+
+    @Override
+    public IntValue create() throws Exception {
+        return (IntValue) NativeBytes.UNSAFE.allocateInstance(ByteableIntValueMarshaller.DIRECT);
+    }
+}