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/*
 * Copyright (c) 2008-2024, 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.config.CompactSerializationConfig;
import com.hazelcast.core.ManagedContext;
import com.hazelcast.internal.compatibility.serialization.impl.CompatibilitySerializationConstants;
import com.hazelcast.internal.nio.BufferObjectDataInput;
import com.hazelcast.internal.nio.BufferObjectDataOutput;
import com.hazelcast.internal.serialization.Data;
import com.hazelcast.internal.serialization.InputOutputFactory;
import com.hazelcast.internal.serialization.InternalSerializationService;
import com.hazelcast.internal.serialization.impl.bufferpool.BufferPool;
import com.hazelcast.internal.serialization.impl.bufferpool.BufferPoolFactory;
import com.hazelcast.internal.serialization.impl.bufferpool.BufferPoolFactoryImpl;
import com.hazelcast.internal.serialization.impl.bufferpool.BufferPoolThreadLocal;
import com.hazelcast.internal.serialization.impl.compact.CompactGenericRecord;
import com.hazelcast.internal.serialization.impl.compact.CompactStreamSerializer;
import com.hazelcast.internal.serialization.impl.compact.CompactStreamSerializerAdapter;
import com.hazelcast.internal.serialization.impl.compact.CompactWithSchemaStreamSerializerAdapter;
import com.hazelcast.internal.serialization.impl.compact.SchemaService;
import com.hazelcast.internal.serialization.impl.defaultserializers.ConstantSerializers;
import com.hazelcast.internal.serialization.impl.portable.PortableGenericRecord;
import com.hazelcast.internal.util.ConcurrentReferenceHashMap;
import com.hazelcast.internal.util.ConcurrentReferenceHashMap.ReferenceType;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.Logger;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.DataSerializable;
import com.hazelcast.nio.serialization.HazelcastSerializationException;
import com.hazelcast.nio.serialization.Portable;
import com.hazelcast.nio.serialization.Serializer;
import com.hazelcast.partition.PartitioningStrategy;

import java.io.Externalizable;
import java.io.Serializable;
import java.nio.ByteOrder;
import java.util.IdentityHashMap;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Supplier;

import static com.hazelcast.internal.serialization.impl.SerializationUtil.EMPTY_PARTITIONING_STRATEGY;
import static com.hazelcast.internal.serialization.impl.SerializationUtil.createSerializerAdapter;
import static com.hazelcast.internal.serialization.impl.SerializationUtil.getInterfaces;
import static com.hazelcast.internal.serialization.impl.SerializationUtil.handleException;
import static com.hazelcast.internal.serialization.impl.SerializationUtil.handleSerializeException;
import static com.hazelcast.internal.serialization.impl.SerializationUtil.indexForDefaultType;
import static com.hazelcast.internal.serialization.impl.SerializationUtil.isNullData;
import static com.hazelcast.internal.util.Preconditions.checkNotNull;
import static java.nio.ByteOrder.BIG_ENDIAN;

public abstract class AbstractSerializationService implements InternalSerializationService {

    protected final ManagedContext managedContext;
    protected final InputOutputFactory inputOutputFactory;
    protected final PartitioningStrategy globalPartitioningStrategy;
    protected final Supplier notActiveExceptionSupplier;
    protected final BufferPoolThreadLocal bufferPoolThreadLocal;

    protected SerializerAdapter dataSerializerAdapter;
    protected SerializerAdapter portableSerializerAdapter;
    protected final SerializerAdapter nullSerializerAdapter;
    protected SerializerAdapter javaSerializerAdapter;
    protected SerializerAdapter javaExternalizableAdapter;
    protected SerializerAdapter compactSerializerAdapter;
    protected CompactStreamSerializer compactStreamSerializer;
    protected CompactWithSchemaStreamSerializerAdapter compactWithSchemaSerializerAdapter;

    private final IdentityHashMap, SerializerAdapter> constantTypesMap;
    private final SerializerAdapter[] constantTypeIds;
    private final ConcurrentMap, SerializerAdapter> typeMap =
            new ConcurrentReferenceHashMap<>(ReferenceType.WEAK, ReferenceType.STRONG);
    private final ConcurrentMap idMap = new ConcurrentHashMap<>();
    private final AtomicReference global = new AtomicReference<>();

    //Global serializer may override Java Serialization or not
    private boolean overrideJavaSerialization;

    private final ClassLoader classLoader;
    private final int outputBufferSize;
    private volatile boolean active = true;
    private final byte version;
    private final ILogger logger = Logger.getLogger(InternalSerializationService.class);
    private boolean isCompatibility;
    private final boolean allowOverrideDefaultSerializers;

    AbstractSerializationService(Builder builder) {
        this.inputOutputFactory = builder.inputOutputFactory;
        this.version = builder.version;
        this.classLoader = builder.classLoader;
        this.managedContext = builder.managedContext;
        this.globalPartitioningStrategy = builder.globalPartitionStrategy;
        this.outputBufferSize = builder.initialOutputBufferSize;
        this.notActiveExceptionSupplier = builder.notActiveExceptionSupplier;
        this.bufferPoolThreadLocal = new BufferPoolThreadLocal(this, builder.bufferPoolFactory,
                builder.notActiveExceptionSupplier);
        this.nullSerializerAdapter = createSerializerAdapter(new ConstantSerializers.NullSerializer());
        this.constantTypesMap = new IdentityHashMap<>(builder.isCompatibility
                ? CompatibilitySerializationConstants.CONSTANT_SERIALIZERS_LENGTH
                : SerializationConstants.CONSTANT_SERIALIZERS_LENGTH);
        this.constantTypeIds = new SerializerAdapter[builder.isCompatibility
                ? CompatibilitySerializationConstants.CONSTANT_SERIALIZERS_LENGTH
                : SerializationConstants.CONSTANT_SERIALIZERS_LENGTH];
        this.isCompatibility = builder.isCompatibility;
        this.allowOverrideDefaultSerializers = builder.allowOverrideDefaultSerializers;
        CompactSerializationConfig compactSerializationCfg = builder.compactSerializationConfig == null
                ? new CompactSerializationConfig() : builder.compactSerializationConfig;
        compactStreamSerializer = new CompactStreamSerializer(this, compactSerializationCfg,
                managedContext, builder.schemaService, classLoader);
        this.compactWithSchemaSerializerAdapter = new CompactWithSchemaStreamSerializerAdapter(compactStreamSerializer);
        this.compactSerializerAdapter = new CompactStreamSerializerAdapter(compactStreamSerializer);
    }

    // used by jet
    protected AbstractSerializationService(AbstractSerializationService prototype) {
        this.inputOutputFactory = prototype.inputOutputFactory;
        this.version = prototype.version;
        this.classLoader = prototype.classLoader;
        this.managedContext = prototype.managedContext;
        this.globalPartitioningStrategy = prototype.globalPartitioningStrategy;
        this.outputBufferSize = prototype.outputBufferSize;
        this.notActiveExceptionSupplier = prototype.notActiveExceptionSupplier;
        this.bufferPoolThreadLocal = new BufferPoolThreadLocal(this, new BufferPoolFactoryImpl(),
                prototype.notActiveExceptionSupplier);
        this.nullSerializerAdapter = prototype.nullSerializerAdapter;
        this.constantTypesMap = new IdentityHashMap<>(prototype.constantTypesMap.size());
        this.constantTypeIds = new SerializerAdapter[prototype.constantTypeIds.length];
        this.allowOverrideDefaultSerializers = prototype.allowOverrideDefaultSerializers;
        this.compactStreamSerializer = prototype.compactStreamSerializer;
        this.compactWithSchemaSerializerAdapter = prototype.compactWithSchemaSerializerAdapter;
        this.compactSerializerAdapter = prototype.compactSerializerAdapter;
    }

    //region Serialization Service
    @Override
    public final  B toData(Object obj) {
        return toData(obj, globalPartitioningStrategy);
    }

    @Override
    public final  B toDataWithSchema(Object obj) {
        if (obj == null) {
            return null;
        }
        if (obj instanceof Data data) {
            if (data.getType() == SerializationConstants.TYPE_COMPACT_WITH_SCHEMA) {
                return (B) data;
            }

            // we need to deserialize and serialize back completely to include
            // all the schemas, even if the top level class is not Compact, in
            // case the Compact is used with other serialization mechanisms
            // (like array list of Compact serialized objects).
            obj = toObject(data);
        }
        byte[] bytes = toBytes(obj, 0, true, globalPartitioningStrategy, BIG_ENDIAN, true);
        return (B) new HeapData(bytes);
    }

    @Override
    public  B trimSchema(Data data) {
        if (data == null) {
            return null;
        }
        if (data.getType() != SerializationConstants.TYPE_COMPACT_WITH_SCHEMA) {
            return (B) data;
        }
        Object obj = toObject(data);
        return toData(obj);
    }

    @Override
    @SuppressWarnings("rawtypes")
    public final  B toData(Object obj, PartitioningStrategy strategy) {
        if (obj == null) {
            return null;
        }
        if (obj instanceof Data) {
            return (B) obj;
        }

        byte[] bytes = toBytes(obj, 0, true, strategy);
        return (B) new HeapData(bytes);
    }

    @Override
    public byte[] toBytes(Object obj) {
        return toBytes(obj, 0, true, globalPartitioningStrategy);
    }

    @Override
    public byte[] toBytes(Object obj, int leftPadding, boolean insertPartitionHash) {
        return toBytes(obj, leftPadding, insertPartitionHash, globalPartitioningStrategy, getByteOrder(), false);
    }

    private byte[] toBytes(Object obj, int leftPadding, boolean writeHash, PartitioningStrategy strategy) {
        return toBytes(obj, leftPadding, writeHash, strategy, BIG_ENDIAN, false);
    }

    private byte[] toBytes(Object obj, int leftPadding, boolean writeHash, PartitioningStrategy strategy,
                           ByteOrder serializerTypeIdByteOrder, boolean includeSchema) {
        checkNotNull(obj);
        checkNotNull(serializerTypeIdByteOrder);

        BufferPool pool = bufferPoolThreadLocal.get();
        BufferObjectDataOutput out = pool.takeOutputBuffer();
        try {
            out.position(leftPadding);

            SerializerAdapter serializer = serializerFor(obj, includeSchema);
            if (writeHash) {
                int partitionHash = calculatePartitionHash(obj, strategy);
                out.writeInt(partitionHash, BIG_ENDIAN);
            }

            out.writeInt(serializer.getTypeId(), serializerTypeIdByteOrder);

            serializer.write(out, obj);
            return out.toByteArray();
        } catch (Throwable e) {
            throw handleSerializeException(obj, e);
        } finally {
            pool.returnOutputBuffer(out);
        }
    }

    @Override
    public final  T toObject(final Object object) {
        if (!(object instanceof Data data)) {
            return (T) object;
        }

        if (isNullData(data)) {
            return null;
        }

        final int typeId = data.getType();
        final SerializerAdapter serializer = serializerFor(typeId);
        if (serializer == null) {
            if (active) {
                throw newHazelcastSerializationException(typeId);
            }
            throw notActiveExceptionSupplier.get();
        }
        Object obj;
        BufferPool pool = bufferPoolThreadLocal.get();
        BufferObjectDataInput in = pool.takeInputBuffer(data);
        try {
            obj = serializer.read(in);
            if (managedContext != null) {
                obj = managedContext.initialize(obj);
            }
            return (T) obj;
        } catch (Throwable e) {
            throw handleException(e);
        } finally {
            pool.returnInputBuffer(in);
        }
    }

    @Override
    public final  T toObject(final Object object, Class aClass) {
        if (!(object instanceof Data data)) {
            return (T) object;
        }

        if (isNullData(data)) {
            return null;
        }

        BufferPool pool = bufferPoolThreadLocal.get();
        BufferObjectDataInput in = pool.takeInputBuffer(data);
        try {
            final int typeId = data.getType();
            final SerializerAdapter serializer = serializerFor(typeId);
            if (serializer == null) {
                if (active) {
                    throw newHazelcastSerializationException(typeId);
                }
                throw notActiveExceptionSupplier.get();
            }

            Object obj = serializer.read(in, aClass);
            if (managedContext != null) {
                obj = managedContext.initialize(obj);
            }
            return (T) obj;
        } catch (Throwable e) {
            throw handleException(e);
        } finally {
            pool.returnInputBuffer(in);
        }
    }

    private static HazelcastSerializationException newHazelcastSerializationException(int typeId) {
        return new HazelcastSerializationException("There is no suitable de-serializer for type " + typeId + ". "
                + "This exception is likely caused by differences in the serialization configuration between members "
                + "or between clients and members.");
    }

    @Override
    public final void writeObject(final ObjectDataOutput out, final Object obj) {
        if (obj instanceof Data) {
            throw new HazelcastSerializationException("Cannot write a Data instance, use writeData() instead");
        }
        SerializerAdapter serializer = serializerFor(obj, false);
        try {
            out.writeInt(serializer.getTypeId());
            serializer.write(out, obj);
        } catch (Throwable e) {
            throw handleSerializeException(obj, e);
        }
    }

    @Override
    public final  T readObject(final ObjectDataInput in, boolean useBigEndianForReadingTypeId) {
        try {
            final int typeId;
            if (useBigEndianForReadingTypeId && in instanceof BufferObjectDataInput input) {
                typeId = input.readInt(BIG_ENDIAN);
            } else {
                typeId = in.readInt();
            }
            final SerializerAdapter serializer = serializerFor(typeId);
            if (serializer == null) {
                if (active) {
                    throw newHazelcastSerializationException(typeId);
                }
                throw notActiveExceptionSupplier.get();
            }
            Object obj = serializer.read(in);
            if (managedContext != null) {
                obj = managedContext.initialize(obj);
            }
            return (T) obj;
        } catch (Throwable e) {
            throw handleException(e);
        }
    }

    @Override
    public final  T readObject(final ObjectDataInput in, Class aClass) {
        try {
            final int typeId = in.readInt();
            final SerializerAdapter serializer = serializerFor(typeId);
            if (serializer == null) {
                if (active) {
                    throw newHazelcastSerializationException(typeId);
                }
                throw notActiveExceptionSupplier.get();
            }
            Object obj = serializer.read(in, aClass);
            if (managedContext != null) {
                obj = managedContext.initialize(obj);
            }
            return (T) obj;
        } catch (Throwable e) {
            throw handleException(e);
        }
    }

    @Override
    public void disposeData(Data data) {
    }

    @Override
    public final BufferObjectDataInput createObjectDataInput(byte[] data) {
        return inputOutputFactory.createInput(data, this, isCompatibility);
    }

    @Override
    public final BufferObjectDataInput createObjectDataInput(byte[] data, int offset) {
        return inputOutputFactory.createInput(data, offset, this, isCompatibility);
    }

    @Override
    public final BufferObjectDataInput createObjectDataInput(Data data) {
        return inputOutputFactory.createInput(data, this, isCompatibility);
    }

    @Override
    public final BufferObjectDataOutput createObjectDataOutput(int size) {
        return inputOutputFactory.createOutput(size, this);
    }

    @Override
    public BufferObjectDataOutput createObjectDataOutput(int initialSize, int firstGrowthSize) {
        return inputOutputFactory.createOutput(initialSize, firstGrowthSize, this);
    }

    @Override
    public BufferObjectDataOutput createObjectDataOutput() {
        return inputOutputFactory.createOutput(outputBufferSize, this);
    }

    public final ClassLoader getClassLoader() {
        return classLoader;
    }

    public final ManagedContext getManagedContext() {
        return managedContext;
    }

    @Override
    public ByteOrder getByteOrder() {
        return inputOutputFactory.getByteOrder();
    }

    @Override
    public byte getVersion() {
        return version;
    }

    public void dispose() {
        active = false;
        for (SerializerAdapter serializer : typeMap.values()) {
            serializer.destroy();
        }
        for (SerializerAdapter serializer : constantTypesMap.values()) {
            serializer.destroy();
        }
        typeMap.clear();
        idMap.clear();
        global.set(null);
        constantTypesMap.clear();
        bufferPoolThreadLocal.clear();
    }
    //endregion Serialization Service

    public final void register(Class type, Serializer serializer) {
        if (type == null) {
            throw new IllegalArgumentException("type is required");
        }
        if (serializer.getTypeId() <= 0) {
            throw new IllegalArgumentException(
                    "Type ID must be positive. Current: " + serializer.getTypeId() + ", Serializer: " + serializer);
        }
        safeRegister(type, createSerializerAdapter(serializer));
    }

    public final void registerGlobal(final Serializer serializer) {
        registerGlobal(serializer, false);
    }

    public final void registerGlobal(final Serializer serializer, boolean overrideJavaSerialization) {
        SerializerAdapter adapter = createSerializerAdapter(serializer);
        if (!global.compareAndSet(null, adapter)) {
            throw new IllegalStateException("Global serializer is already registered");
        }
        this.overrideJavaSerialization = overrideJavaSerialization;
        SerializerAdapter current = idMap.putIfAbsent(serializer.getTypeId(), adapter);
        if (current != null && current.getImpl().getClass() != adapter.getImpl().getClass()) {
            global.compareAndSet(adapter, null);
            this.overrideJavaSerialization = false;
            throw new IllegalStateException(
                    "Serializer [" + current.getImpl() + "] has been already registered for type ID: " + serializer.getTypeId());
        }
    }

    protected final int calculatePartitionHash(Object obj, PartitioningStrategy strategy) {
        int partitionHash = 0;
        PartitioningStrategy partitioningStrategy = strategy == null ? globalPartitioningStrategy : strategy;
        if (partitioningStrategy != null) {
            Object pk = partitioningStrategy.getPartitionKey(obj);
            if (pk != null && pk != obj) {
                final Data partitionKey = toData(pk, EMPTY_PARTITIONING_STRATEGY);
                partitionHash = partitionKey == null ? 0 : partitionKey.getPartitionHash();
            }
        }
        return partitionHash;
    }

    protected final void safeRegister(final Class type, final Serializer serializer) {
        safeRegister(type, createSerializerAdapter(serializer));
    }

    protected final boolean safeRegister(final Class type, final SerializerAdapter serializer) {
        if (constantTypesMap.containsKey(type) && !allowOverrideDefaultSerializers) {
            throw new IllegalArgumentException(
                    "[" + type + "] serializer cannot be overridden."
                            + " See documentation of Hazelcast serialization configuration "
                            + " or setAllowOverrideDefaultSerializers method in SerializationConfig."
            );
        }
        SerializerAdapter current = typeMap.putIfAbsent(type, serializer);
        if (current != null && current.getImpl().getClass() != serializer.getImpl().getClass()) {
            throw new IllegalStateException(
                    "Serializer[" + current.getImpl() + "] has been already registered for type: " + type);
        }
        current = idMap.putIfAbsent(serializer.getTypeId(), serializer);
        if (current != null && current.getImpl().getClass() != serializer.getImpl().getClass()) {
            throw new IllegalStateException(
                    "Serializer [" + current.getImpl() + "] has been already registered for type ID: " + serializer.getTypeId());
        }
        return current == null;
    }

    protected final void registerConstant(Class type, Serializer serializer) {
        registerConstant(type, createSerializerAdapter(serializer));
    }

    protected final void registerConstant(Class type, SerializerAdapter serializer) {
        constantTypesMap.put(type, serializer);
        constantTypeIds[indexForDefaultType(serializer.getTypeId())] = serializer;
    }

    protected final void registerConstant(SerializerAdapter serializer) {
        constantTypeIds[indexForDefaultType(serializer.getTypeId())] = serializer;
    }

    public SerializerAdapter registerFromSuperType(final Class type, final Class superType) {
        final SerializerAdapter serializer = typeMap.get(superType);
        if (serializer != null) {
            safeRegister(type, serializer);
        }
        return serializer;
    }

    public SerializerAdapter serializerFor(final int typeId) {
        if (typeId <= 0) {
            final int index = indexForDefaultType(typeId);
            if (index < constantTypeIds.length) {
                return constantTypeIds[index];
            }
        }
        return idMap.get(typeId);
    }

    @SuppressWarnings("checkstyle:npathcomplexity")
    public SerializerAdapter serializerFor(final Object object, boolean includeSchema) {
        if (!active) {
            throw notActiveExceptionSupplier.get();
        }

        // Searches for a serializer for the provided object
        // Serializers will be  searched in this order;
        //
        // 1-NULL serializer
        // 2-Default serializers, Dataserializable, Compact, Portable, primitives, arrays, String and
        // some helper Java types(BigInteger etc)
        //   (overridden in step 3 if allowOverrideDefaultSerializers=true and custom serializer is registered)
        // 3-Custom registered types by user
        // 4-JDK serialization ( Serializable and Externalizable ) if a global serializer with Java serialization not registered
        // 5-Global serializer if registered by user
        // 6-Compact serializer

        //1-NULL serializer
        if (object == null) {
            return nullSerializerAdapter;
        }
        final Class type = object.getClass();
        return serializerForClass(type, includeSchema);
    }

    public SerializerAdapter serializerForClass(Class type, boolean includeSchema) {
        //2-Default serializers, Dataserializable, Compact, Portable, primitives, arrays, String and
        // some helper Java types(BigInteger etc)
        SerializerAdapter serializer = lookupDefaultSerializer(type, includeSchema);

        //3-Custom registered types by user
        if (serializer == null || allowOverrideDefaultSerializers) {
            SerializerAdapter customSerializer = lookupCustomSerializer(type);
            if (customSerializer != null) {
                serializer = customSerializer;
            }
        }

        //4-JDK serialization ( Serializable and Externalizable )
        if (serializer == null && !overrideJavaSerialization) {
            serializer = lookupJavaSerializer(type);
        }

        //5-Global serializer if registered by user
        if (serializer == null) {
            serializer = lookupGlobalSerializer(type);
        }

        //6-Compact serializer
        if (serializer == null) {
            serializer = getCompactSerializer(includeSchema);
        }

        if (serializer == null) {
            throw new HazelcastSerializationException("There is no suitable serializer for " + type);
        }

        return serializer;
    }

    public SerializerAdapter getCompactSerializer(boolean includeSchema) {
        return includeSchema ? compactWithSchemaSerializerAdapter : compactSerializerAdapter;
    }

    public boolean isCompactSerializable(Object object) {
        return serializerFor(object, false) == compactSerializerAdapter;
    }

    private SerializerAdapter lookupDefaultSerializer(Class type, boolean includeSchema) {
        if ((CompactGenericRecord.class.isAssignableFrom(type)
                || compactStreamSerializer.isRegisteredAsCompact(type))) {
            return getCompactSerializer(includeSchema);
        }
        if (DataSerializable.class.isAssignableFrom(type)) {
            return dataSerializerAdapter;
        }
        if (Portable.class.isAssignableFrom(type)) {
            return portableSerializerAdapter;
        }
        if (PortableGenericRecord.class.isAssignableFrom(type)) {
            return portableSerializerAdapter;
        }
        return constantTypesMap.get(type);
    }

    private SerializerAdapter lookupCustomSerializer(Class type) {
        SerializerAdapter serializer = typeMap.get(type);
        if (serializer != null) {
            return serializer;
        }
        // look for super classes
        var typeSuperclass = type.getSuperclass();
        final Set> interfaces = new LinkedHashSet<>(5);
        getInterfaces(type, interfaces);
        while (typeSuperclass != null) {
            serializer = registerFromSuperType(type, typeSuperclass);
            if (serializer != null) {
                break;
            }
            getInterfaces(typeSuperclass, interfaces);
            typeSuperclass = typeSuperclass.getSuperclass();
        }
        if (serializer == null) {
            //remove ignore Interfaces:
            interfaces.remove(Serializable.class);
            interfaces.remove(Externalizable.class);
            // look for interfaces
            for (Class typeInterface : interfaces) {
                serializer = registerFromSuperType(type, typeInterface);
                if (serializer != null) {
                    break;
                }
            }
        }
        return serializer;
    }

    private SerializerAdapter lookupGlobalSerializer(Class type) {
        SerializerAdapter serializer = global.get();
        if (serializer != null) {
            logger.fine("Registering global serializer for: " + type.getName());
            safeRegister(type, serializer);
        }
        return serializer;
    }

    private SerializerAdapter lookupJavaSerializer(Class type) {
        if (Externalizable.class.isAssignableFrom(type)) {
            if (safeRegister(type, javaExternalizableAdapter) && !Throwable.class.isAssignableFrom(type)) {
                logger.info("Performance Hint: Serialization service will use java.io.Externalizable for: " + type.getName()
                        + ". Please consider using a faster serialization option such as DataSerializable.");
            }
            return javaExternalizableAdapter;
        }

        if (Serializable.class.isAssignableFrom(type)) {
            if (safeRegister(type, javaSerializerAdapter) && !Throwable.class.isAssignableFrom(type)) {
                logger.info("Performance Hint: Serialization service will use java.io.Serializable for: " + type.getName()
                        + ". Please consider using a faster serialization option such as DataSerializable.");
            }
            return javaSerializerAdapter;
        }
        return null;
    }

    /**
     * Makes sure that the classes registered as Compact serializable are not
     * overriding the default serializers if the user did not explicitly set
     * { com.hazelcast.config.SerializationConfig#setAllowOverrideDefaultSerializers(boolean)} to
     * true.
     * 

* Must be called in the constructor of the child classes after they * complete registering default serializers. */ protected void verifyDefaultSerializersNotOverriddenWithCompact() { if (allowOverrideDefaultSerializers) { return; } for (Class clazz : compactStreamSerializer.getCompactSerializableClasses()) { if (!constantTypesMap.containsKey(clazz)) { continue; } throw new IllegalArgumentException("Compact serializer for the " + "class '" + clazz + " can not be registered as it " + "overrides the default serializer for that class " + "provided by Hazelcast." ); } } public abstract static class Builder> { private InputOutputFactory inputOutputFactory; private byte version; private ClassLoader classLoader; private ManagedContext managedContext; private PartitioningStrategy globalPartitionStrategy; private int initialOutputBufferSize; private BufferPoolFactory bufferPoolFactory; private Supplier notActiveExceptionSupplier; private boolean isCompatibility; private boolean allowOverrideDefaultSerializers; private CompactSerializationConfig compactSerializationConfig; private SchemaService schemaService; protected Builder() { } protected abstract T self(); public final T withInputOutputFactory(InputOutputFactory inputOutputFactory) { this.inputOutputFactory = inputOutputFactory; return self(); } public final T withVersion(byte version) { this.version = version; return self(); } public final T withClassLoader(ClassLoader classLoader) { this.classLoader = classLoader; return self(); } public ClassLoader getClassLoader() { return classLoader; } public final T withManagedContext(ManagedContext managedContext) { this.managedContext = managedContext; return self(); } public final T withGlobalPartitionStrategy(PartitioningStrategy globalPartitionStrategy) { this.globalPartitionStrategy = globalPartitionStrategy; return self(); } public final T withInitialOutputBufferSize(int initialOutputBufferSize) { this.initialOutputBufferSize = initialOutputBufferSize; return self(); } public final T withBufferPoolFactory(BufferPoolFactory bufferPoolFactory) { this.bufferPoolFactory = bufferPoolFactory; return self(); } public final T withNotActiveExceptionSupplier(Supplier notActiveExceptionSupplier) { this.notActiveExceptionSupplier = notActiveExceptionSupplier; return self(); } /** * Sets whether the serialization service should (de)serialize in the * compatibility (3.x) format. * * @param isCompatibility {@code true} if the serialized format should * conform to the 3.x serialization format, * {@code false} otherwise * @return this builder */ public final T withCompatibility(boolean isCompatibility) { this.isCompatibility = isCompatibility; return self(); } /** * @return {@code true} if the serialized format of the serialization * service should conform to the 3.x serialization format, {@code false} * otherwise. */ public boolean isCompatibility() { return isCompatibility; } public final T withAllowOverrideDefaultSerializers(final boolean allowOverrideDefaultSerializers) { this.allowOverrideDefaultSerializers = allowOverrideDefaultSerializers; return self(); } public final T withCompactSerializationConfig(CompactSerializationConfig compactSerializationConfig) { this.compactSerializationConfig = compactSerializationConfig; return self(); } public final T withSchemaService(SchemaService schemaService) { this.schemaService = schemaService; return self(); } } }





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