/*
* Copyright (C) 2012-2014 DuyHai DOAN
*
* 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 info.archinnov.achilles.internal.metadata.discovery;
import static info.archinnov.achilles.counter.AchillesCounter.ACHILLES_COUNTER_TABLE;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import info.archinnov.achilles.internal.metadata.holder.EntityMetaConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.datastax.driver.core.Session;
import com.datastax.driver.core.TableMetadata;
import info.archinnov.achilles.interceptor.Interceptor;
import info.archinnov.achilles.internal.context.ConfigurationContext;
import info.archinnov.achilles.internal.context.DaoContext;
import info.archinnov.achilles.internal.context.DaoContextFactory;
import info.archinnov.achilles.internal.context.SchemaContext;
import info.archinnov.achilles.internal.metadata.holder.EntityMeta;
import info.archinnov.achilles.internal.metadata.parsing.EntityParser;
import info.archinnov.achilles.internal.metadata.parsing.PropertyParser;
import info.archinnov.achilles.internal.metadata.parsing.context.EntityParsingContext;
import info.archinnov.achilles.internal.metadata.parsing.context.ParsingResult;
import info.archinnov.achilles.internal.validation.Validator;
public class AchillesBootstrapper {
private static final Logger log = LoggerFactory.getLogger(AchillesBootstrapper.class);
private EntityParser entityParser = EntityParser.Singleton.INSTANCE.get();
private PropertyParser propertyParser = PropertyParser.Singleton.INSTANCE.get();
private DaoContextFactory daoContextFactory = new DaoContextFactory();
public ParsingResult buildMetaDatas(ConfigurationContext configContext, List<Class<?>> entities) {
log.debug("Build meta data for candidate entities");
Map<Class<?>, EntityMeta> entityMetaMap = new HashMap<>();
boolean hasSimpleCounter = false;
for (Class<?> entityClass : entities) {
EntityParsingContext context = new EntityParsingContext(configContext, entityClass);
EntityMeta entityMeta = entityParser.parseEntity(context);
entityMetaMap.put(entityClass, entityMeta);
hasSimpleCounter = hasSimpleCounter || (context.hasSimpleCounter() && !entityMeta.structure().isClusteredCounter());
boolean shouldValidateBean = configContext.isClassConstrained(entityClass);
if (shouldValidateBean) {
configContext.addBeanValidationInterceptor(entityMeta);
}
}
return new ParsingResult(entityMetaMap, hasSimpleCounter);
}
public void validateOrCreateTables(SchemaContext schemaContext) {
log.debug("Start schema validation/creation");
Map<String, TableMetadata> tableMetaDatas = schemaContext.fetchTableMetaData();
for (Entry<Class<?>, EntityMeta> entry : schemaContext.entityMetaEntrySet()) {
EntityMeta entityMeta = entry.getValue();
final EntityMetaConfig metaConfig = entityMeta.config();
String qualifiedTableName = metaConfig.getQualifiedTableName().toLowerCase();
if (tableMetaDatas.containsKey(qualifiedTableName)) {
TableMetadata tableMetaData = tableMetaDatas.get(qualifiedTableName);
schemaContext.validateForEntity(entityMeta, tableMetaData);
schemaContext.updateForEntity(entityMeta, tableMetaData);
} else {
schemaContext.createTableForEntity(entry.getValue());
}
}
if (schemaContext.hasSimpleCounter()) {
if (tableMetaDatas.containsKey(ACHILLES_COUNTER_TABLE)) {
schemaContext.validateAchillesCounter();
} else {
schemaContext.createTableForCounter();
}
}
}
public DaoContext buildDaoContext(Session session, ParsingResult parsingResult,
ConfigurationContext configContext) {
log.debug("Build DaoContext");
return daoContextFactory.create(session, parsingResult, configContext);
}
public void addInterceptorsToEntityMetas(List<Interceptor<?>> interceptors, Map<Class<?>,
EntityMeta> entityMetaMap) {
for (Interceptor<?> interceptor : interceptors) {
Class<?> entityClass = propertyParser.inferEntityClassFromInterceptor(interceptor);
EntityMeta entityMeta = entityMetaMap.get(entityClass);
Validator.validateBeanMappingTrue(entityMeta != null, "The entity class '%s' is not found",
entityClass.getCanonicalName());
entityMeta.forInterception().addInterceptor(interceptor);
}
}
}