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SerializationContextRegistryImpl.java
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SerializationContextRegistryImpl.java
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package org.infinispan.marshall.protostream.impl;
import static org.infinispan.marshall.protostream.impl.SerializationContextRegistry.MarshallerType.GLOBAL;
import static org.infinispan.marshall.protostream.impl.SerializationContextRegistry.MarshallerType.PERSISTENCE;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.function.Consumer;
import org.infinispan.commons.marshall.Marshaller;
import org.infinispan.commons.util.ServiceFinder;
import org.infinispan.configuration.global.GlobalConfiguration;
import org.infinispan.factories.KnownComponentNames;
import org.infinispan.factories.annotations.ComponentName;
import org.infinispan.factories.annotations.Inject;
import org.infinispan.factories.annotations.Start;
import org.infinispan.factories.impl.ComponentRef;
import org.infinispan.factories.scopes.Scope;
import org.infinispan.factories.scopes.Scopes;
import org.infinispan.marshall.persistence.impl.PersistenceContextInitializer;
import org.infinispan.marshall.persistence.impl.PersistenceContextInitializerImpl;
import org.infinispan.protostream.BaseMarshaller;
import org.infinispan.protostream.FileDescriptorSource;
import org.infinispan.protostream.ImmutableSerializationContext;
import org.infinispan.protostream.ProtobufUtil;
import org.infinispan.protostream.SerializationContext;
import org.infinispan.protostream.SerializationContextInitializer;
import org.infinispan.protostream.types.java.CommonContainerTypesSchema;
import org.infinispan.protostream.types.java.CommonTypesSchema;
@Scope(Scopes.GLOBAL)
public class SerializationContextRegistryImpl implements SerializationContextRegistry {
@Inject GlobalConfiguration globalConfig;
@Inject @ComponentName(KnownComponentNames.USER_MARSHALLER)
ComponentRef<Marshaller> userMarshaller;
private final MarshallerContext global = new MarshallerContext();
private final MarshallerContext persistence = new MarshallerContext();
private final SerializationContext user = ProtobufUtil.newSerializationContext();
@Start
public void start() {
CommonTypesSchema commonTypesSchema = new CommonTypesSchema();
CommonContainerTypesSchema commonContainerTypesSchema = new CommonContainerTypesSchema();
register(commonTypesSchema, user);
register(commonContainerTypesSchema, user);
// Add user configured SCIs
Collection<SerializationContextInitializer> initializers = globalConfig.serialization().contextInitializers();
if (initializers == null || initializers.isEmpty()) {
// If no SCIs have been explicitly configured, then load all available SCI services
initializers = ServiceFinder.load(SerializationContextInitializer.class, globalConfig.classLoader());
}
initializers.forEach(sci -> register(sci, user));
String messageName = PersistenceContextInitializer.getFqTypeName(MarshallableUserObject.class);
BaseMarshaller userObjectMarshaller = new MarshallableUserObject.Marshaller(messageName, userMarshaller.wired());
update(GLOBAL, ctx -> ctx.addContextInitializer(commonTypesSchema)
.addContextInitializer(commonContainerTypesSchema)
.addContextInitializer(new PersistenceContextInitializerImpl())
// Register Commons util so that KeyValueWithPrevious can be used with JCache remote
.addContextInitializer(new org.infinispan.commons.GlobalContextInitializerImpl())
.addMarshaller(userObjectMarshaller)
.update()
);
update(PERSISTENCE, ctx -> ctx.addContextInitializer(commonTypesSchema)
.addContextInitializer(commonContainerTypesSchema)
.addContextInitializer(new PersistenceContextInitializerImpl())
.addMarshaller(userObjectMarshaller)
.update()
);
}
@Override
public ImmutableSerializationContext getGlobalCtx() {
return global.ctx;
}
@Override
public ImmutableSerializationContext getPersistenceCtx() {
return persistence.ctx;
}
@Override
public ImmutableSerializationContext getUserCtx() {
return user;
}
@Override
public void addContextInitializer(MarshallerType type, SerializationContextInitializer sci) {
update(type, ctx -> ctx.addContextInitializer(sci).update());
}
@Override
public void addProtoFile(MarshallerType type, FileDescriptorSource fileDescriptorSource) {
update(type, ctx -> ctx.addProtoFile(fileDescriptorSource).update());
}
@Override
public void addMarshaller(MarshallerType type, BaseMarshaller marshaller) {
update(type, ctx -> ctx.addMarshaller(marshaller).update());
}
private void update(MarshallerType type, Consumer<MarshallerContext> consumer) {
if (type == GLOBAL) {
synchronized (global) {
consumer.accept(global);
}
} else {
synchronized (persistence) {
consumer.accept(persistence);
}
}
}
private static void register(SerializationContextInitializer sci, SerializationContext ctx) {
sci.registerSchema(ctx);
sci.registerMarshallers(ctx);
}
// Required until IPROTO-136 is resolved to ensure that custom marshaller implementations are not overridden by
// non-core modules registering their SerializationContextInitializer(s) which depend on a core initializer.
private static final class MarshallerContext {
private final List<SerializationContextInitializer> initializers = new ArrayList<>();
private final List<FileDescriptorSource> schemas = new ArrayList<>();
private final List<BaseMarshaller<?>> marshallers = new ArrayList<>();
private final SerializationContext ctx = ProtobufUtil.newSerializationContext();
MarshallerContext addContextInitializer(SerializationContextInitializer sci) {
initializers.add(sci);
return this;
}
MarshallerContext addProtoFile(FileDescriptorSource fileDescriptorSource) {
schemas.add(fileDescriptorSource);
return this;
}
MarshallerContext addMarshaller(BaseMarshaller marshaller) {
marshallers.add(marshaller);
return this;
}
void update() {
initializers.forEach(sci -> {
sci.registerSchema(ctx);
sci.registerMarshallers(ctx);
});
schemas.forEach(ctx::registerProtoFiles);
marshallers.forEach(ctx::registerMarshaller);
}
}
}