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Spring Data module for Tarantool and Tarantool Cartridge for Tarantool versions 1.10+
package org.springframework.data.tarantool.config;
import io.tarantool.driver.ClusterTarantoolClient;
import io.tarantool.driver.TarantoolClientConfig;
import io.tarantool.driver.TarantoolClusterAddressProvider;
import io.tarantool.driver.TarantoolServerAddress;
import io.tarantool.driver.auth.SimpleTarantoolCredentials;
import io.tarantool.driver.auth.TarantoolCredentials;
import io.tarantool.driver.core.TarantoolConnectionSelectionStrategies.ParallelRoundRobinStrategyFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.convert.CustomConversions;
import org.springframework.data.tarantool.core.DefaultTarantoolExceptionTranslator;
import org.springframework.data.tarantool.core.TarantoolExceptionTranslator;
import org.springframework.data.tarantool.core.TarantoolTemplate;
import io.tarantool.driver.api.TarantoolClient;
import org.springframework.data.tarantool.core.convert.MappingTarantoolConverter;
import org.springframework.data.tarantool.core.convert.TarantoolCustomConversions;
import org.springframework.data.tarantool.core.convert.TarantoolMapTypeAliasAccessor;
import org.springframework.data.tarantool.core.convert.TarantoolTupleTypeMapper;
import org.springframework.data.tarantool.core.mapping.TarantoolMappingContext;
import org.springframework.data.tarantool.core.mapping.TarantoolSimpleTypes;
import org.springframework.data.tarantool.repository.config.TarantoolRepositoryOperationsMapping;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.ForkJoinPool.ForkJoinWorkerThreadFactory;
import java.util.concurrent.ForkJoinWorkerThread;
import java.util.concurrent.atomic.AtomicLong;
/**
* Base class for configuring Spring Data using JavaConfig with {@link TarantoolClient}.
*
* @author Alexey Kuzin
*/
@Configuration(proxyBeanMethods = false)
public abstract class AbstractTarantoolDataConfiguration extends TarantoolConfigurationSupport {
/**
* Create a cluster {@link TarantoolClient} instance. Constructs a {@link ClusterTarantoolClient}
* instance by default.
* Override {@link #tarantoolClientConfig(TarantoolCredentials)} to configure client settings and
* {@link #tarantoolClusterAddressProvider()}} to configure the Tarantool server address.
*
* @param tarantoolClientConfig Tarantool client configuration
* @param tarantoolClusterAddressProvider Tarantool cluster address provider
* @return a client instance.
* @see #tarantoolClientConfig(TarantoolCredentials)
* @see #configureClientConfig(TarantoolClientConfig.Builder)
* @see #tarantoolClusterAddressProvider()
*/
@Bean(name = "clusterTarantoolClient", destroyMethod = "close")
public TarantoolClient tarantoolClient(TarantoolClientConfig tarantoolClientConfig,
TarantoolClusterAddressProvider tarantoolClusterAddressProvider) {
return new ClusterTarantoolClient(
tarantoolClientConfig, tarantoolClusterAddressProvider, ParallelRoundRobinStrategyFactory.INSTANCE);
}
/**
* Create an instance of {@link TarantoolCredentials} for using in {@link TarantoolClientConfig}.
*
* @return a credentials instance
*/
@Bean("tarantoolCredentials")
public TarantoolCredentials tarantoolCredentials() {
return new SimpleTarantoolCredentials();
}
/**
* Return the {@link TarantoolClientConfig} used to create the actual {@literal TarantoolClient}.
*
* Override either this method, or use {@link #configureClientConfig(TarantoolClientConfig.Builder)}
* for altering the setup.
*
* @param tarantoolCredentials credentials for a user defined on target Tarantool instance
* @return default client configuration
*/
@Bean("tarantoolConfig")
public TarantoolClientConfig tarantoolClientConfig(TarantoolCredentials tarantoolCredentials) {
TarantoolClientConfig.Builder builder = new TarantoolClientConfig.Builder()
.withCredentials(tarantoolCredentials);
configureClientConfig(builder);
return builder.build();
}
/**
* Configure {@link TarantoolClientConfig} using the passed {@link TarantoolClientConfig.Builder}.
*
* @param builder never {@literal null}.
*/
protected void configureClientConfig(TarantoolClientConfig.Builder builder) {
// customization hook
}
/**
* Configure the cluster nodes addresses provider by overriding this method. This provider may be
* used in {@link #tarantoolClient(TarantoolClientConfig, TarantoolClusterAddressProvider)}
*
* @return cluster address provider instance
*/
@Bean("tarantoolClusterAddressProvider")
public TarantoolClusterAddressProvider tarantoolClusterAddressProvider() {
return () -> Collections.singletonList(tarantoolServerAddress());
}
/**
* Override this method for providing a Tarantool server address for the default cluster client instance
*
* @return Tarantool server address
*/
protected TarantoolServerAddress tarantoolServerAddress() {
return new TarantoolServerAddress();
}
/**
* Create a {@link TarantoolTemplate} instance.
*
* @param tarantoolClient a configured tarantool client instance
* @param mappingContext mapping context, contains information about defined entities
* @param converter type converter, converts data between entities and Tarantool tuples
* @param queryExecutorsFactory worker thread factory for query executor threads
* @return a {@link TarantoolTemplate} instance.
* @see #tarantoolClient(TarantoolClientConfig, TarantoolClusterAddressProvider)
*/
@Bean("tarantoolTemplate")
public TarantoolTemplate tarantoolTemplate(TarantoolClient tarantoolClient,
TarantoolMappingContext mappingContext,
MappingTarantoolConverter converter,
ForkJoinWorkerThreadFactory queryExecutorsFactory) {
return new TarantoolTemplate(tarantoolClient, mappingContext, converter, queryExecutorsFactory);
}
/**
* Create a {@link TarantoolRepositoryOperationsMapping} instance.
*
* @param tarantoolTemplate a {@link TarantoolTemplate} instance
* @return a {@link TarantoolRepositoryOperationsMapping} instance
*/
@Bean("tarantoolRepositoryOperationsMapping")
public TarantoolRepositoryOperationsMapping tarantoolRepositoryOperationsMapping(
TarantoolTemplate tarantoolTemplate) {
// create a base mapping that associates all repositories to the default template
TarantoolRepositoryOperationsMapping baseMapping = new TarantoolRepositoryOperationsMapping(tarantoolTemplate);
// let the user tune it
configureRepositoryOperationsMapping(baseMapping);
return baseMapping;
}
/**
* Override this method for configuring the TarantoolTemplate mapping to repositories
*
* @param baseMapping the default mapping (will associate all repositories to the default template)
*/
protected void configureRepositoryOperationsMapping(TarantoolRepositoryOperationsMapping baseMapping) {
}
/**
* Creates a {@link MappingTarantoolConverter} instance for the specified type conversions
*
* @param tarantoolMappingContext a {@link TarantoolMappingContext} instance
* @param typeAliasAccessor a {@link TarantoolMapTypeAliasAccessor} instance
* @param customConversions a {@link CustomConversions} instance
* @return an {@link MappingTarantoolConverter} instance
* @see #customConversions()
*/
@Bean("mappingTarantoolConverter")
public MappingTarantoolConverter mappingTarantoolConverter(TarantoolMappingContext tarantoolMappingContext,
TarantoolMapTypeAliasAccessor typeAliasAccessor,
CustomConversions customConversions) {
return new MappingTarantoolConverter(tarantoolMappingContext, typeAliasAccessor, customConversions);
}
/**
* Creates a {@link TarantoolMapTypeAliasAccessor} instance for retrieving the serialized object type from
* nested maps
*
* @return a {@link TarantoolMapTypeAliasAccessor} instance
*/
@Bean("typeAliasAccessor")
public TarantoolMapTypeAliasAccessor typeAliasAccessor() {
return new TarantoolMapTypeAliasAccessor(TarantoolTupleTypeMapper.DEFAULT_TYPE_KEY);
}
/**
* Creates a {@link TarantoolMappingContext} equipped with entity classes scanned from the mapping base package.
*
* @see #getMappingBasePackages()
* @return TarantoolMappingContext instance
* @throws ClassNotFoundException if the entity scan fails
*/
@Bean("tarantoolMappingContext")
public TarantoolMappingContext tarantoolMappingContext() throws ClassNotFoundException {
TarantoolMappingContext mappingContext = new TarantoolMappingContext();
mappingContext.setInitialEntitySet(getInitialEntitySet());
mappingContext.setSimpleTypeHolder(TarantoolSimpleTypes.HOLDER);
mappingContext.setFieldNamingStrategy(fieldNamingStrategy());
return mappingContext;
}
/**
* Creates an instance of {@link TarantoolCustomConversions} for customizing the conversion from some Java objects
* into the objects which have internal mapping in the driver (like primitive types, Tarantool tuples, etc)
*
* @return a {@link TarantoolCustomConversions} instance
*/
@Bean("tarantoolCustomConversions")
public TarantoolCustomConversions customConversions() {
return new TarantoolCustomConversions(customConverters());
}
/**
* Override this method for providing custom conversions
*
* @return list of custom conversions
*/
protected List customConverters() {
return Collections.emptyList();
}
/**
* Creates the default driver-to-Spring exception translator
*
* @return new exception translator instance
*/
@Bean
public TarantoolExceptionTranslator tarantoolExceptionTranslator() {
return new DefaultTarantoolExceptionTranslator();
}
/**
* Creates the default query executors worker thread factory
*
* @return new factory instance
*/
@Bean
public ForkJoinWorkerThreadFactory queryExecutorsFactory() {
return new WorkerFactory();
}
private static final class WorkerFactory implements ForkJoinWorkerThreadFactory {
private final AtomicLong id = new AtomicLong();
@Override
public ForkJoinWorkerThread newThread(ForkJoinPool pool) {
ForkJoinWorkerThread worker = ForkJoinPool.defaultForkJoinWorkerThreadFactory.newThread(pool);
worker.setName("TarantoolTemplateQueryExecutor-" + id);
return worker;
}
}}