/*
*
* Copyright 2013 Netflix, Inc.
*
* 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 com.netflix.zeno.hash;
import com.netflix.zeno.serializer.FrameworkSerializer;
import com.netflix.zeno.serializer.NFTypeSerializer;
import com.netflix.zeno.serializer.SerializationFramework;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
/**
* @author tvaliulin
*
*/
public class HashFrameworkSerializer extends FrameworkSerializer<HashGenericRecord> {
HashFrameworkSerializer(SerializationFramework framework) {
super(framework);
}
@Override
public void serializePrimitive(HashGenericRecord rec, String fieldName, Object value) {
if (value == null) {
return;
}
HashGenericRecord record = rec;
record.put(fieldName, value);
}
@Override
public void serializeBytes(HashGenericRecord rec, String fieldName, byte[] value) {
serializePrimitive(rec, fieldName, value);
}
/*
* @Deprecated instead use serializeObject(HashGenericRecord rec, String fieldName, Object obj)
*
*/
@SuppressWarnings({ "unchecked" })
@Override
public void serializeObject(HashGenericRecord rec, String fieldName, String typeName, Object obj) {
if (obj == null) {
return;
}
getSerializer(typeName).serialize(obj, rec);
}
@Override
public void serializeObject(HashGenericRecord rec, String fieldName, Object obj) {
serializeObject(rec, fieldName, rec.getSchema().getObjectType(fieldName), obj);
}
@Override
public <T> void serializeList(HashGenericRecord rec, String fieldName, String typeName, Collection<T> list) {
if (list == null) {
return;
}
rec.put(null, "[");
for (T t : list) {
serializeObject(rec, fieldName, typeName, t);
}
rec.put(null, "]");
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public <T> void serializeSet(HashGenericRecord rec, String fieldName, String typeName, Set<T> set) {
if (set == null) {
return;
}
rec.put(null, "<");
NFTypeSerializer elementSerializer = (NFTypeSerializer) (framework.getSerializer(typeName));
HashGenericRecord independent = new HashGenericRecord(new HashOrderIndependent());
for (T t : set) {
HashGenericRecord dependent = new HashGenericRecord(new HashOrderDependent());
elementSerializer.serialize(t, dependent);
independent.put(null, dependent.hash());
}
rec.put(null, independent.hash());
rec.put(null, ">");
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public <K, V> void serializeMap(HashGenericRecord rec, String fieldName, String keyTypeName, String valueTypeName, Map<K, V> map) {
if (map == null) {
return;
}
rec.put(null, "{");
NFTypeSerializer keySerializer = (NFTypeSerializer) (framework.getSerializer(keyTypeName));
NFTypeSerializer valueSerializer = (NFTypeSerializer) (framework.getSerializer(valueTypeName));
HashGenericRecord independent = new HashGenericRecord(new HashOrderIndependent());
for (Map.Entry<K, V> entry : map.entrySet()) {
HashGenericRecord dependent = new HashGenericRecord(new HashOrderDependent());
keySerializer.serialize(entry.getKey(), dependent);
valueSerializer.serialize(entry.getValue(), dependent);
independent.put(null, dependent.hash());
}
rec.put(null, independent.hash());
rec.put(null, "}");
}
}