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/*
 * Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
 *
 * 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.hazelcast.internal.serialization.impl;

import com.hazelcast.core.ManagedContext;
import com.hazelcast.core.PartitioningStrategy;
import com.hazelcast.internal.serialization.InputOutputFactory;
import com.hazelcast.internal.serialization.PortableContext;
import com.hazelcast.internal.serialization.impl.ConstantSerializers.BooleanSerializer;
import com.hazelcast.internal.serialization.impl.ConstantSerializers.ByteSerializer;
import com.hazelcast.internal.serialization.impl.ConstantSerializers.StringArraySerializer;
import com.hazelcast.internal.serialization.impl.bufferpool.BufferPoolFactory;
import com.hazelcast.nio.BufferObjectDataInput;
import com.hazelcast.nio.serialization.ClassDefinition;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.DataSerializable;
import com.hazelcast.nio.serialization.DataSerializableFactory;
import com.hazelcast.nio.serialization.FieldDefinition;
import com.hazelcast.nio.serialization.FieldType;
import com.hazelcast.nio.serialization.HazelcastSerializationException;
import com.hazelcast.nio.serialization.Portable;
import com.hazelcast.nio.serialization.PortableFactory;
import com.hazelcast.nio.serialization.PortableReader;

import java.io.Externalizable;
import java.io.IOException;
import java.io.Serializable;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import java.util.Set;

import static com.hazelcast.internal.serialization.impl.ConstantSerializers.BooleanArraySerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.CharArraySerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.CharSerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.DoubleArraySerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.DoubleSerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.FloatArraySerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.FloatSerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.IntegerArraySerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.IntegerSerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.LongArraySerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.LongSerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.ShortArraySerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.ShortSerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.StringSerializer;
import static com.hazelcast.internal.serialization.impl.ConstantSerializers.TheByteArraySerializer;
import static com.hazelcast.internal.serialization.impl.JavaDefaultSerializers.BigDecimalSerializer;
import static com.hazelcast.internal.serialization.impl.JavaDefaultSerializers.BigIntegerSerializer;
import static com.hazelcast.internal.serialization.impl.JavaDefaultSerializers.ClassSerializer;
import static com.hazelcast.internal.serialization.impl.JavaDefaultSerializers.DateSerializer;
import static com.hazelcast.internal.serialization.impl.JavaDefaultSerializers.EnumSerializer;
import static com.hazelcast.internal.serialization.impl.JavaDefaultSerializers.JavaSerializer;
import static com.hazelcast.internal.serialization.impl.SerializationUtil.createSerializerAdapter;

public class SerializationServiceV1 extends AbstractSerializationService {

    private final PortableContextImpl portableContext;
    private final PortableSerializer portableSerializer;

    SerializationServiceV1(InputOutputFactory inputOutputFactory, byte version, int portableVersion, ClassLoader classLoader,
            Map dataSerializableFactories,
            Map portableFactories, ManagedContext managedContext,
            PartitioningStrategy globalPartitionStrategy, int initialOutputBufferSize, BufferPoolFactory bufferPoolFactory,
            boolean enableCompression, boolean enableSharedObject) {
        super(inputOutputFactory, version, classLoader, managedContext, globalPartitionStrategy, initialOutputBufferSize,
                bufferPoolFactory);

        PortableHookLoader loader = new PortableHookLoader(portableFactories, classLoader);
        portableContext = new PortableContextImpl(this, portableVersion);
        for (ClassDefinition cd : loader.getDefinitions()) {
            portableContext.registerClassDefinition(cd);
        }

        dataSerializerAdapter = createSerializerAdapter(new DataSerializer(dataSerializableFactories, classLoader), this);
        portableSerializer = new PortableSerializer(portableContext, loader.getFactories());
        portableSerializerAdapter = createSerializerAdapter(portableSerializer, this);

        javaSerializerAdapter = createSerializerAdapter(new JavaSerializer(enableSharedObject, enableCompression), this);
        javaExternalizableAdapter = createSerializerAdapter(
                new JavaDefaultSerializers.ExternalizableSerializer(enableCompression), this);
        registerConstantSerializers();
        registerJavaTypeSerializers();
    }

    public PortableReader createPortableReader(Data data) throws IOException {
        if (!data.isPortable()) {
            throw new IllegalArgumentException("Given data is not Portable! -> " + data.getType());
        }
        BufferObjectDataInput in = createObjectDataInput(data);
        return portableSerializer.createReader(in);
    }

    public PortableContext getPortableContext() {
        return portableContext;
    }

    private void registerConstantSerializers() {
        registerConstant(null, nullSerializerAdapter);
        registerConstant(DataSerializable.class, dataSerializerAdapter);
        registerConstant(Portable.class, portableSerializerAdapter);
        //primitives and String
        registerConstant(Byte.class, new ByteSerializer());
        registerConstant(Boolean.class, new BooleanSerializer());
        registerConstant(Character.class, new CharSerializer());
        registerConstant(Short.class, new ShortSerializer());
        registerConstant(Integer.class, new IntegerSerializer());
        registerConstant(Long.class, new LongSerializer());
        registerConstant(Float.class, new FloatSerializer());
        registerConstant(Double.class, new DoubleSerializer());
        registerConstant(String.class, new StringSerializer());
        //Arrays of primitives and String
        registerConstant(byte[].class, new TheByteArraySerializer());
        registerConstant(boolean[].class, new BooleanArraySerializer());
        registerConstant(char[].class, new CharArraySerializer());
        registerConstant(short[].class, new ShortArraySerializer());
        registerConstant(int[].class, new IntegerArraySerializer());
        registerConstant(long[].class, new LongArraySerializer());
        registerConstant(float[].class, new FloatArraySerializer());
        registerConstant(double[].class, new DoubleArraySerializer());
        registerConstant(String[].class, new StringArraySerializer());
    }

    private void registerJavaTypeSerializers() {
        //Java extensions: more serializers
        registerConstant(Date.class, new DateSerializer());
        registerConstant(BigInteger.class, new BigIntegerSerializer());
        registerConstant(BigDecimal.class, new BigDecimalSerializer());
        registerConstant(Class.class, new ClassSerializer());
        registerConstant(Enum.class, new EnumSerializer());
        registerConstant(ArrayList.class, new ArrayListStreamSerializer());
        registerConstant(LinkedList.class, new LinkedListStreamSerializer());

        safeRegister(Serializable.class, javaSerializerAdapter);
        safeRegister(Externalizable.class, javaExternalizableAdapter);
    }

    public void registerClassDefinitions(Collection classDefinitions, boolean checkClassDefErrors) {
        final Map classDefMap = new HashMap(classDefinitions.size());
        for (ClassDefinition cd : classDefinitions) {
            if (classDefMap.containsKey(cd.getClassId())) {
                throw new HazelcastSerializationException("Duplicate registration found for class-id[" + cd.getClassId() + "]!");
            }
            classDefMap.put(cd.getClassId(), cd);
        }
        for (ClassDefinition classDefinition : classDefinitions) {
            registerClassDefinition(classDefinition, classDefMap, checkClassDefErrors);
        }
    }

    protected void registerClassDefinition(ClassDefinition cd, Map classDefMap,
            boolean checkClassDefErrors) {
        final Set fieldNames = cd.getFieldNames();
        for (String fieldName : fieldNames) {
            FieldDefinition fd = cd.getField(fieldName);
            if (fd.getType() == FieldType.PORTABLE || fd.getType() == FieldType.PORTABLE_ARRAY) {
                int classId = fd.getClassId();
                ClassDefinition nestedCd = classDefMap.get(classId);
                if (nestedCd != null) {
                    registerClassDefinition(nestedCd, classDefMap, checkClassDefErrors);
                    portableContext.registerClassDefinition(nestedCd);
                } else if (checkClassDefErrors) {
                    throw new HazelcastSerializationException(
                            "Could not find registered ClassDefinition for class-id: " + classId);
                }
            }
        }
        portableContext.registerClassDefinition(cd);
    }

    final PortableSerializer getPortableSerializer() {
        return portableSerializer;
    }
}