/*
* Copyright (c) 2014 Oculus Info Inc.
* http://www.oculusinfo.com/
*
* Released under the MIT License.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.oculusinfo.binning.io.serialization.impl;
import java.util.List;
import com.oculusinfo.binning.io.serialization.TileSerializer;
import com.oculusinfo.binning.io.serialization.TileSerializerFactory;
import com.oculusinfo.factory.ConfigurationException;
import com.oculusinfo.factory.util.Pair;
import com.oculusinfo.factory.ConfigurableFactory;
/**
* This serializer factory constructs a
* {@link com.oculusinfo.binning.io.serialization.impl.PairArrayAvroSerializer},
* for use with tiles whose values are lists of pairs of primitive Avro types.
*
* See {@link com.oculusinfo.binning.io.serialization.impl.PrimitiveAvroSerializer}
* for information about what primitives are supported, and how.
*/
public class PairArrayAvroSerializerFactory<S, T>
extends ConfigurableFactory<TileSerializer<List<Pair<S, T>>>>
{
private static <S, T> String getName (Class<? extends S> keyType, Class<? extends T> valueType) {
if (!PrimitiveAvroSerializer.isValidPrimitive(keyType) ||
!PrimitiveAvroSerializer.isValidPrimitive(valueType))
throw new IllegalArgumentException("Attempt to create pair array serializer factory with non-primitive class(es) "+keyType+" and/or "+valueType);
return "[("+keyType.getSimpleName().toLowerCase()+", "+valueType.getSimpleName().toLowerCase()+")]-a";
}
// This is the only way to get a generified class object, but because of erasure, it's guaranteed to work.
@SuppressWarnings({"rawtypes", "unchecked"})
private static <S, T> Class<TileSerializer<List<Pair<S, T>>>>
getGenericSerializerClass (Class<? extends S> keyType, Class<? extends T> valueType) {
if (!PrimitiveAvroSerializer.isValidPrimitive(keyType) ||
!PrimitiveAvroSerializer.isValidPrimitive(valueType))
throw new IllegalArgumentException("Attempt to create pair array serializer factory with non-primitive class(es) "+keyType+" and/or "+valueType);
return (Class) TileSerializer.class;
}
private Class<? extends S> _keyType;
private Class<? extends T> _valueType;
public PairArrayAvroSerializerFactory (ConfigurableFactory<?> parent, List<String> path,
Class<? extends S> keyType,
Class<? extends T> valueType) {
super(getName(keyType, valueType), getGenericSerializerClass(keyType, valueType), parent, path);
_keyType = keyType;
_valueType = valueType;
}
@Override
protected TileSerializer<List<Pair<S, T>>> create () throws ConfigurationException {
return new PairArrayAvroSerializer<S, T>(_keyType, _valueType, TileSerializerFactory.getCodecFactory(this));
}
}