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/*
* Copyright 2009-2021 the original author or authors.
*
* 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 org.apache.ibatis.session;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.function.BiFunction;
import org.apache.ibatis.binding.MapperRegistry;
import org.apache.ibatis.builder.CacheRefResolver;
import org.apache.ibatis.builder.IncompleteElementException;
import org.apache.ibatis.builder.ResultMapResolver;
import org.apache.ibatis.builder.annotation.MethodResolver;
import org.apache.ibatis.builder.xml.XMLStatementBuilder;
import org.apache.ibatis.cache.Cache;
import org.apache.ibatis.cache.decorators.FifoCache;
import org.apache.ibatis.cache.decorators.LruCache;
import org.apache.ibatis.cache.decorators.SoftCache;
import org.apache.ibatis.cache.decorators.WeakCache;
import org.apache.ibatis.cache.impl.PerpetualCache;
import org.apache.ibatis.datasource.jndi.JndiDataSourceFactory;
import org.apache.ibatis.datasource.pooled.PooledDataSourceFactory;
import org.apache.ibatis.datasource.unpooled.UnpooledDataSourceFactory;
import org.apache.ibatis.executor.BatchExecutor;
import org.apache.ibatis.executor.CachingExecutor;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.executor.ReuseExecutor;
import org.apache.ibatis.executor.SimpleExecutor;
import org.apache.ibatis.executor.keygen.KeyGenerator;
import org.apache.ibatis.executor.loader.ProxyFactory;
import org.apache.ibatis.executor.loader.cglib.CglibProxyFactory;
import org.apache.ibatis.executor.loader.javassist.JavassistProxyFactory;
import org.apache.ibatis.executor.parameter.ParameterHandler;
import org.apache.ibatis.executor.resultset.DefaultResultSetHandler;
import org.apache.ibatis.executor.resultset.ResultSetHandler;
import org.apache.ibatis.executor.statement.RoutingStatementHandler;
import org.apache.ibatis.executor.statement.StatementHandler;
import org.apache.ibatis.io.VFS;
import org.apache.ibatis.logging.Log;
import org.apache.ibatis.logging.LogFactory;
import org.apache.ibatis.logging.commons.JakartaCommonsLoggingImpl;
import org.apache.ibatis.logging.jdk14.Jdk14LoggingImpl;
import org.apache.ibatis.logging.log4j.Log4jImpl;
import org.apache.ibatis.logging.log4j2.Log4j2Impl;
import org.apache.ibatis.logging.nologging.NoLoggingImpl;
import org.apache.ibatis.logging.slf4j.Slf4jImpl;
import org.apache.ibatis.logging.stdout.StdOutImpl;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.Environment;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.ParameterMap;
import org.apache.ibatis.mapping.ResultMap;
import org.apache.ibatis.mapping.ResultSetType;
import org.apache.ibatis.mapping.VendorDatabaseIdProvider;
import org.apache.ibatis.parsing.XNode;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.plugin.InterceptorChain;
import org.apache.ibatis.reflection.DefaultReflectorFactory;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.reflection.ReflectorFactory;
import org.apache.ibatis.reflection.factory.DefaultObjectFactory;
import org.apache.ibatis.reflection.factory.ObjectFactory;
import org.apache.ibatis.reflection.wrapper.DefaultObjectWrapperFactory;
import org.apache.ibatis.reflection.wrapper.ObjectWrapperFactory;
import org.apache.ibatis.scripting.LanguageDriver;
import org.apache.ibatis.scripting.LanguageDriverRegistry;
import org.apache.ibatis.scripting.defaults.RawLanguageDriver;
import org.apache.ibatis.scripting.xmltags.XMLLanguageDriver;
import org.apache.ibatis.transaction.Transaction;
import org.apache.ibatis.transaction.jdbc.JdbcTransactionFactory;
import org.apache.ibatis.transaction.managed.ManagedTransactionFactory;
import org.apache.ibatis.type.JdbcType;
import org.apache.ibatis.type.TypeAliasRegistry;
import org.apache.ibatis.type.TypeHandler;
import org.apache.ibatis.type.TypeHandlerRegistry;
/**
* @author Clinton Begin
*/
public class Configuration {
protected Environment environment;
protected boolean safeRowBoundsEnabled;
protected boolean safeResultHandlerEnabled = true;
protected boolean mapUnderscoreToCamelCase;
protected boolean aggressiveLazyLoading;
protected boolean multipleResultSetsEnabled = true;
protected boolean useGeneratedKeys;
protected boolean useColumnLabel = true;
protected boolean cacheEnabled = true;
protected boolean callSettersOnNulls;
protected boolean useActualParamName = true;
protected boolean returnInstanceForEmptyRow;
protected boolean shrinkWhitespacesInSql;
protected boolean nullableOnForEach;
protected String logPrefix;
protected Class logImpl;
protected Class vfsImpl;
protected Class defaultSqlProviderType;
protected LocalCacheScope localCacheScope = LocalCacheScope.SESSION;
protected JdbcType jdbcTypeForNull = JdbcType.OTHER;
protected Set lazyLoadTriggerMethods = new HashSet<>(Arrays.asList("equals", "clone", "hashCode", "toString"));
protected Integer defaultStatementTimeout;
protected Integer defaultFetchSize;
protected ResultSetType defaultResultSetType;
protected ExecutorType defaultExecutorType = ExecutorType.SIMPLE;
protected AutoMappingBehavior autoMappingBehavior = AutoMappingBehavior.PARTIAL;
protected AutoMappingUnknownColumnBehavior autoMappingUnknownColumnBehavior = AutoMappingUnknownColumnBehavior.NONE;
protected Properties variables = new Properties();
protected ReflectorFactory reflectorFactory = new DefaultReflectorFactory();
protected ObjectFactory objectFactory = new DefaultObjectFactory();
protected ObjectWrapperFactory objectWrapperFactory = new DefaultObjectWrapperFactory();
protected boolean lazyLoadingEnabled = false;
protected ProxyFactory proxyFactory = new JavassistProxyFactory(); // #224 Using internal Javassist instead of OGNL
protected String databaseId;
/**
* Configuration factory class.
* Used to create Configuration for loading deserialized unread properties.
*
* @see Issue 300 (google code)
*/
protected Class configurationFactory;
protected final MapperRegistry mapperRegistry = new MapperRegistry(this);
protected final InterceptorChain interceptorChain = new InterceptorChain();
protected final TypeHandlerRegistry typeHandlerRegistry = new TypeHandlerRegistry(this);
protected final TypeAliasRegistry typeAliasRegistry = new TypeAliasRegistry();
protected final LanguageDriverRegistry languageRegistry = new LanguageDriverRegistry();
protected final Map mappedStatements = new StrictMap("Mapped Statements collection")
.conflictMessageProducer((savedValue, targetValue) ->
". please check " + savedValue.getResource() + " and " + targetValue.getResource());
protected final Map caches = new StrictMap<>("Caches collection");
protected final Map resultMaps = new StrictMap<>("Result Maps collection");
protected final Map parameterMaps = new StrictMap<>("Parameter Maps collection");
protected final Map keyGenerators = new StrictMap<>("Key Generators collection");
protected final Set loadedResources = new HashSet<>();
protected final Map sqlFragments = new StrictMap<>("XML fragments parsed from previous mappers");
protected final Collection incompleteStatements = new LinkedList<>();
protected final Collection incompleteCacheRefs = new LinkedList<>();
protected final Collection incompleteResultMaps = new LinkedList<>();
protected final Collection incompleteMethods = new LinkedList<>();
/*
* A map holds cache-ref relationship. The key is the namespace that
* references a cache bound to another namespace and the value is the
* namespace which the actual cache is bound to.
*/
protected final Map cacheRefMap = new HashMap<>();
public Configuration(Environment environment) {
this();
this.environment = environment;
}
public Configuration() {
typeAliasRegistry.registerAlias("JDBC", JdbcTransactionFactory.class);
typeAliasRegistry.registerAlias("MANAGED", ManagedTransactionFactory.class);
typeAliasRegistry.registerAlias("JNDI", JndiDataSourceFactory.class);
typeAliasRegistry.registerAlias("POOLED", PooledDataSourceFactory.class);
typeAliasRegistry.registerAlias("UNPOOLED", UnpooledDataSourceFactory.class);
typeAliasRegistry.registerAlias("PERPETUAL", PerpetualCache.class);
typeAliasRegistry.registerAlias("FIFO", FifoCache.class);
typeAliasRegistry.registerAlias("LRU", LruCache.class);
typeAliasRegistry.registerAlias("SOFT", SoftCache.class);
typeAliasRegistry.registerAlias("WEAK", WeakCache.class);
typeAliasRegistry.registerAlias("DB_VENDOR", VendorDatabaseIdProvider.class);
typeAliasRegistry.registerAlias("XML", XMLLanguageDriver.class);
typeAliasRegistry.registerAlias("RAW", RawLanguageDriver.class);
typeAliasRegistry.registerAlias("SLF4J", Slf4jImpl.class);
typeAliasRegistry.registerAlias("COMMONS_LOGGING", JakartaCommonsLoggingImpl.class);
typeAliasRegistry.registerAlias("LOG4J", Log4jImpl.class);
typeAliasRegistry.registerAlias("LOG4J2", Log4j2Impl.class);
typeAliasRegistry.registerAlias("JDK_LOGGING", Jdk14LoggingImpl.class);
typeAliasRegistry.registerAlias("STDOUT_LOGGING", StdOutImpl.class);
typeAliasRegistry.registerAlias("NO_LOGGING", NoLoggingImpl.class);
typeAliasRegistry.registerAlias("CGLIB", CglibProxyFactory.class);
typeAliasRegistry.registerAlias("JAVASSIST", JavassistProxyFactory.class);
languageRegistry.setDefaultDriverClass(XMLLanguageDriver.class);
languageRegistry.register(RawLanguageDriver.class);
}
public String getLogPrefix() {
return logPrefix;
}
public void setLogPrefix(String logPrefix) {
this.logPrefix = logPrefix;
}
public Class getLogImpl() {
return logImpl;
}
public void setLogImpl(Class logImpl) {
if (logImpl != null) {
this.logImpl = logImpl;
LogFactory.useCustomLogging(this.logImpl);
}
}
public Class getVfsImpl() {
return this.vfsImpl;
}
public void setVfsImpl(Class vfsImpl) {
if (vfsImpl != null) {
this.vfsImpl = vfsImpl;
VFS.addImplClass(this.vfsImpl);
}
}
/**
* Gets an applying type when omit a type on sql provider annotation(e.g. {@link org.apache.ibatis.annotations.SelectProvider}).
*
* @return the default type for sql provider annotation
* @since 3.5.6
*/
public Class getDefaultSqlProviderType() {
return defaultSqlProviderType;
}
/**
* Sets an applying type when omit a type on sql provider annotation(e.g. {@link org.apache.ibatis.annotations.SelectProvider}).
*
* @param defaultSqlProviderType
* the default type for sql provider annotation
* @since 3.5.6
*/
public void setDefaultSqlProviderType(Class defaultSqlProviderType) {
this.defaultSqlProviderType = defaultSqlProviderType;
}
public boolean isCallSettersOnNulls() {
return callSettersOnNulls;
}
public void setCallSettersOnNulls(boolean callSettersOnNulls) {
this.callSettersOnNulls = callSettersOnNulls;
}
public boolean isUseActualParamName() {
return useActualParamName;
}
public void setUseActualParamName(boolean useActualParamName) {
this.useActualParamName = useActualParamName;
}
public boolean isReturnInstanceForEmptyRow() {
return returnInstanceForEmptyRow;
}
public void setReturnInstanceForEmptyRow(boolean returnEmptyInstance) {
this.returnInstanceForEmptyRow = returnEmptyInstance;
}
public boolean isShrinkWhitespacesInSql() {
return shrinkWhitespacesInSql;
}
public void setShrinkWhitespacesInSql(boolean shrinkWhitespacesInSql) {
this.shrinkWhitespacesInSql = shrinkWhitespacesInSql;
}
/**
* Sets the default value of 'nullable' attribute on 'foreach' tag.
*
* @param nullableOnForEach If nullable, set to {@code true}
* @since 3.5.9
*/
public void setNullableOnForEach(boolean nullableOnForEach) {
this.nullableOnForEach = nullableOnForEach;
}
/**
* Returns the default value of 'nullable' attribute on 'foreach' tag.
*
* Default is {@code false}.
*
* @return If nullable, set to {@code true}
* @since 3.5.9
*/
public boolean isNullableOnForEach() {
return nullableOnForEach;
}
public String getDatabaseId() {
return databaseId;
}
public void setDatabaseId(String databaseId) {
this.databaseId = databaseId;
}
public Class getConfigurationFactory() {
return configurationFactory;
}
public void setConfigurationFactory(Class configurationFactory) {
this.configurationFactory = configurationFactory;
}
public boolean isSafeResultHandlerEnabled() {
return safeResultHandlerEnabled;
}
public void setSafeResultHandlerEnabled(boolean safeResultHandlerEnabled) {
this.safeResultHandlerEnabled = safeResultHandlerEnabled;
}
public boolean isSafeRowBoundsEnabled() {
return safeRowBoundsEnabled;
}
public void setSafeRowBoundsEnabled(boolean safeRowBoundsEnabled) {
this.safeRowBoundsEnabled = safeRowBoundsEnabled;
}
public boolean isMapUnderscoreToCamelCase() {
return mapUnderscoreToCamelCase;
}
public void setMapUnderscoreToCamelCase(boolean mapUnderscoreToCamelCase) {
this.mapUnderscoreToCamelCase = mapUnderscoreToCamelCase;
}
public void addLoadedResource(String resource) {
loadedResources.add(resource);
}
public boolean isResourceLoaded(String resource) {
return loadedResources.contains(resource);
}
public Environment getEnvironment() {
return environment;
}
public void setEnvironment(Environment environment) {
this.environment = environment;
}
public AutoMappingBehavior getAutoMappingBehavior() {
return autoMappingBehavior;
}
public void setAutoMappingBehavior(AutoMappingBehavior autoMappingBehavior) {
this.autoMappingBehavior = autoMappingBehavior;
}
/**
* Gets the auto mapping unknown column behavior.
*
* @return the auto mapping unknown column behavior
* @since 3.4.0
*/
public AutoMappingUnknownColumnBehavior getAutoMappingUnknownColumnBehavior() {
return autoMappingUnknownColumnBehavior;
}
/**
* Sets the auto mapping unknown column behavior.
*
* @param autoMappingUnknownColumnBehavior
* the new auto mapping unknown column behavior
* @since 3.4.0
*/
public void setAutoMappingUnknownColumnBehavior(AutoMappingUnknownColumnBehavior autoMappingUnknownColumnBehavior) {
this.autoMappingUnknownColumnBehavior = autoMappingUnknownColumnBehavior;
}
public boolean isLazyLoadingEnabled() {
return lazyLoadingEnabled;
}
public void setLazyLoadingEnabled(boolean lazyLoadingEnabled) {
this.lazyLoadingEnabled = lazyLoadingEnabled;
}
public ProxyFactory getProxyFactory() {
return proxyFactory;
}
public void setProxyFactory(ProxyFactory proxyFactory) {
if (proxyFactory == null) {
proxyFactory = new JavassistProxyFactory();
}
this.proxyFactory = proxyFactory;
}
public boolean isAggressiveLazyLoading() {
return aggressiveLazyLoading;
}
public void setAggressiveLazyLoading(boolean aggressiveLazyLoading) {
this.aggressiveLazyLoading = aggressiveLazyLoading;
}
public boolean isMultipleResultSetsEnabled() {
return multipleResultSetsEnabled;
}
public void setMultipleResultSetsEnabled(boolean multipleResultSetsEnabled) {
this.multipleResultSetsEnabled = multipleResultSetsEnabled;
}
public Set getLazyLoadTriggerMethods() {
return lazyLoadTriggerMethods;
}
public void setLazyLoadTriggerMethods(Set lazyLoadTriggerMethods) {
this.lazyLoadTriggerMethods = lazyLoadTriggerMethods;
}
public boolean isUseGeneratedKeys() {
return useGeneratedKeys;
}
public void setUseGeneratedKeys(boolean useGeneratedKeys) {
this.useGeneratedKeys = useGeneratedKeys;
}
public ExecutorType getDefaultExecutorType() {
return defaultExecutorType;
}
public void setDefaultExecutorType(ExecutorType defaultExecutorType) {
this.defaultExecutorType = defaultExecutorType;
}
public boolean isCacheEnabled() {
return cacheEnabled;
}
public void setCacheEnabled(boolean cacheEnabled) {
this.cacheEnabled = cacheEnabled;
}
public Integer getDefaultStatementTimeout() {
return defaultStatementTimeout;
}
public void setDefaultStatementTimeout(Integer defaultStatementTimeout) {
this.defaultStatementTimeout = defaultStatementTimeout;
}
/**
* Gets the default fetch size.
*
* @return the default fetch size
* @since 3.3.0
*/
public Integer getDefaultFetchSize() {
return defaultFetchSize;
}
/**
* Sets the default fetch size.
*
* @param defaultFetchSize
* the new default fetch size
* @since 3.3.0
*/
public void setDefaultFetchSize(Integer defaultFetchSize) {
this.defaultFetchSize = defaultFetchSize;
}
/**
* Gets the default result set type.
*
* @return the default result set type
* @since 3.5.2
*/
public ResultSetType getDefaultResultSetType() {
return defaultResultSetType;
}
/**
* Sets the default result set type.
*
* @param defaultResultSetType
* the new default result set type
* @since 3.5.2
*/
public void setDefaultResultSetType(ResultSetType defaultResultSetType) {
this.defaultResultSetType = defaultResultSetType;
}
public boolean isUseColumnLabel() {
return useColumnLabel;
}
public void setUseColumnLabel(boolean useColumnLabel) {
this.useColumnLabel = useColumnLabel;
}
public LocalCacheScope getLocalCacheScope() {
return localCacheScope;
}
public void setLocalCacheScope(LocalCacheScope localCacheScope) {
this.localCacheScope = localCacheScope;
}
public JdbcType getJdbcTypeForNull() {
return jdbcTypeForNull;
}
public void setJdbcTypeForNull(JdbcType jdbcTypeForNull) {
this.jdbcTypeForNull = jdbcTypeForNull;
}
public Properties getVariables() {
return variables;
}
public void setVariables(Properties variables) {
this.variables = variables;
}
public TypeHandlerRegistry getTypeHandlerRegistry() {
return typeHandlerRegistry;
}
/**
* Set a default {@link TypeHandler} class for {@link Enum}.
* A default {@link TypeHandler} is {@link org.apache.ibatis.type.EnumTypeHandler}.
* @param typeHandler a type handler class for {@link Enum}
* @since 3.4.5
*/
public void setDefaultEnumTypeHandler(Class typeHandler) {
if (typeHandler != null) {
getTypeHandlerRegistry().setDefaultEnumTypeHandler(typeHandler);
}
}
public TypeAliasRegistry getTypeAliasRegistry() {
return typeAliasRegistry;
}
/**
* Gets the mapper registry.
*
* @return the mapper registry
* @since 3.2.2
*/
public MapperRegistry getMapperRegistry() {
return mapperRegistry;
}
public ReflectorFactory getReflectorFactory() {
return reflectorFactory;
}
public void setReflectorFactory(ReflectorFactory reflectorFactory) {
this.reflectorFactory = reflectorFactory;
}
public ObjectFactory getObjectFactory() {
return objectFactory;
}
public void setObjectFactory(ObjectFactory objectFactory) {
this.objectFactory = objectFactory;
}
public ObjectWrapperFactory getObjectWrapperFactory() {
return objectWrapperFactory;
}
public void setObjectWrapperFactory(ObjectWrapperFactory objectWrapperFactory) {
this.objectWrapperFactory = objectWrapperFactory;
}
/**
* Gets the interceptors.
*
* @return the interceptors
* @since 3.2.2
*/
public List getInterceptors() {
return interceptorChain.getInterceptors();
}
public LanguageDriverRegistry getLanguageRegistry() {
return languageRegistry;
}
public void setDefaultScriptingLanguage(Class driver) {
if (driver == null) {
driver = XMLLanguageDriver.class;
}
getLanguageRegistry().setDefaultDriverClass(driver);
}
public LanguageDriver getDefaultScriptingLanguageInstance() {
return languageRegistry.getDefaultDriver();
}
/**
* Gets the language driver.
*
* @param langClass
* the lang class
* @return the language driver
* @since 3.5.1
*/
public LanguageDriver getLanguageDriver(Class langClass) {
if (langClass == null) {
return languageRegistry.getDefaultDriver();
}
languageRegistry.register(langClass);
return languageRegistry.getDriver(langClass);
}
/**
* Gets the default scripting language instance.
*
* @return the default scripting language instance
* @deprecated Use {@link #getDefaultScriptingLanguageInstance()}
*/
@Deprecated
public LanguageDriver getDefaultScriptingLanuageInstance() {
return getDefaultScriptingLanguageInstance();
}
public MetaObject newMetaObject(Object object) {
return MetaObject.forObject(object, objectFactory, objectWrapperFactory, reflectorFactory);
}
public ParameterHandler newParameterHandler(MappedStatement mappedStatement, Object parameterObject, BoundSql boundSql) {
ParameterHandler parameterHandler = mappedStatement.getLang().createParameterHandler(mappedStatement, parameterObject, boundSql);
parameterHandler = (ParameterHandler) interceptorChain.pluginAll(parameterHandler);
return parameterHandler;
}
public ResultSetHandler newResultSetHandler(Executor executor, MappedStatement mappedStatement, RowBounds rowBounds, ParameterHandler parameterHandler,
ResultHandler resultHandler, BoundSql boundSql) {
ResultSetHandler resultSetHandler = new DefaultResultSetHandler(executor, mappedStatement, parameterHandler, resultHandler, boundSql, rowBounds);
resultSetHandler = (ResultSetHandler) interceptorChain.pluginAll(resultSetHandler);
return resultSetHandler;
}
public StatementHandler newStatementHandler(Executor executor, MappedStatement mappedStatement, Object parameterObject, RowBounds rowBounds, ResultHandler resultHandler, BoundSql boundSql) {
StatementHandler statementHandler = new RoutingStatementHandler(executor, mappedStatement, parameterObject, rowBounds, resultHandler, boundSql);
statementHandler = (StatementHandler) interceptorChain.pluginAll(statementHandler);
return statementHandler;
}
public Executor newExecutor(Transaction transaction) {
return newExecutor(transaction, defaultExecutorType);
}
public Executor newExecutor(Transaction transaction, ExecutorType executorType) {
executorType = executorType == null ? defaultExecutorType : executorType;
executorType = executorType == null ? ExecutorType.SIMPLE : executorType;
Executor executor;
if (ExecutorType.BATCH == executorType) {
executor = new BatchExecutor(this, transaction);
} else if (ExecutorType.REUSE == executorType) {
executor = new ReuseExecutor(this, transaction);
} else {
executor = new SimpleExecutor(this, transaction);
}
if (cacheEnabled) {
executor = new CachingExecutor(executor);
}
executor = (Executor) interceptorChain.pluginAll(executor);
return executor;
}
public void addKeyGenerator(String id, KeyGenerator keyGenerator) {
keyGenerators.put(id, keyGenerator);
}
public Collection getKeyGeneratorNames() {
return keyGenerators.keySet();
}
public Collection getKeyGenerators() {
return keyGenerators.values();
}
public KeyGenerator getKeyGenerator(String id) {
return keyGenerators.get(id);
}
public boolean hasKeyGenerator(String id) {
return keyGenerators.containsKey(id);
}
public void addCache(Cache cache) {
caches.put(cache.getId(), cache);
}
public Collection getCacheNames() {
return caches.keySet();
}
public Collection getCaches() {
return caches.values();
}
public Cache getCache(String id) {
return caches.get(id);
}
public boolean hasCache(String id) {
return caches.containsKey(id);
}
public void addResultMap(ResultMap rm) {
resultMaps.put(rm.getId(), rm);
checkLocallyForDiscriminatedNestedResultMaps(rm);
checkGloballyForDiscriminatedNestedResultMaps(rm);
}
public Collection getResultMapNames() {
return resultMaps.keySet();
}
public Collection getResultMaps() {
return resultMaps.values();
}
public ResultMap getResultMap(String id) {
return resultMaps.get(id);
}
public boolean hasResultMap(String id) {
return resultMaps.containsKey(id);
}
public void addParameterMap(ParameterMap pm) {
parameterMaps.put(pm.getId(), pm);
}
public Collection getParameterMapNames() {
return parameterMaps.keySet();
}
public Collection getParameterMaps() {
return parameterMaps.values();
}
public ParameterMap getParameterMap(String id) {
return parameterMaps.get(id);
}
public boolean hasParameterMap(String id) {
return parameterMaps.containsKey(id);
}
public void addMappedStatement(MappedStatement ms) {
mappedStatements.put(ms.getId(), ms);
}
public Collection getMappedStatementNames() {
buildAllStatements();
return mappedStatements.keySet();
}
public Collection getMappedStatements() {
buildAllStatements();
return mappedStatements.values();
}
public Collection getIncompleteStatements() {
return incompleteStatements;
}
public void addIncompleteStatement(XMLStatementBuilder incompleteStatement) {
incompleteStatements.add(incompleteStatement);
}
public Collection getIncompleteCacheRefs() {
return incompleteCacheRefs;
}
public void addIncompleteCacheRef(CacheRefResolver incompleteCacheRef) {
incompleteCacheRefs.add(incompleteCacheRef);
}
public Collection getIncompleteResultMaps() {
return incompleteResultMaps;
}
public void addIncompleteResultMap(ResultMapResolver resultMapResolver) {
incompleteResultMaps.add(resultMapResolver);
}
public void addIncompleteMethod(MethodResolver builder) {
incompleteMethods.add(builder);
}
public Collection getIncompleteMethods() {
return incompleteMethods;
}
public MappedStatement getMappedStatement(String id) {
return this.getMappedStatement(id, true);
}
public MappedStatement getMappedStatement(String id, boolean validateIncompleteStatements) {
if (validateIncompleteStatements) {
buildAllStatements();
}
return mappedStatements.get(id);
}
public Map getSqlFragments() {
return sqlFragments;
}
public void addInterceptor(Interceptor interceptor) {
interceptorChain.addInterceptor(interceptor);
}
public void addMappers(String packageName, Class superType) {
mapperRegistry.addMappers(packageName, superType);
}
public void addMappers(String packageName) {
mapperRegistry.addMappers(packageName);
}
public void addMapper(Class type) {
mapperRegistry.addMapper(type);
}
public T getMapper(Class type, SqlSession sqlSession) {
return mapperRegistry.getMapper(type, sqlSession);
}
public boolean hasMapper(Class type) {
return mapperRegistry.hasMapper(type);
}
public boolean hasStatement(String statementName) {
return hasStatement(statementName, true);
}
public boolean hasStatement(String statementName, boolean validateIncompleteStatements) {
if (validateIncompleteStatements) {
buildAllStatements();
}
return mappedStatements.containsKey(statementName);
}
public void addCacheRef(String namespace, String referencedNamespace) {
cacheRefMap.put(namespace, referencedNamespace);
}
/*
* Parses all the unprocessed statement nodes in the cache. It is recommended
* to call this method once all the mappers are added as it provides fail-fast
* statement validation.
*/
protected void buildAllStatements() {
parsePendingResultMaps();
if (!incompleteCacheRefs.isEmpty()) {
synchronized (incompleteCacheRefs) {
incompleteCacheRefs.removeIf(x -> x.resolveCacheRef() != null);
}
}
if (!incompleteStatements.isEmpty()) {
synchronized (incompleteStatements) {
incompleteStatements.removeIf(x -> {
x.parseStatementNode();
return true;
});
}
}
if (!incompleteMethods.isEmpty()) {
synchronized (incompleteMethods) {
incompleteMethods.removeIf(x -> {
x.resolve();
return true;
});
}
}
}
private void parsePendingResultMaps() {
if (incompleteResultMaps.isEmpty()) {
return;
}
synchronized (incompleteResultMaps) {
boolean resolved;
IncompleteElementException ex = null;
do {
resolved = false;
Iterator iterator = incompleteResultMaps.iterator();
while (iterator.hasNext()) {
try {
iterator.next().resolve();
iterator.remove();
resolved = true;
} catch (IncompleteElementException e) {
ex = e;
}
}
} while (resolved);
if (!incompleteResultMaps.isEmpty() && ex != null) {
// At least one result map is unresolvable.
throw ex;
}
}
}
/**
* Extracts namespace from fully qualified statement id.
*
* @param statementId
* the statement id
* @return namespace or null when id does not contain period.
*/
protected String extractNamespace(String statementId) {
int lastPeriod = statementId.lastIndexOf('.');
return lastPeriod > 0 ? statementId.substring(0, lastPeriod) : null;
}
// Slow but a one time cost. A better solution is welcome.
protected void checkGloballyForDiscriminatedNestedResultMaps(ResultMap rm) {
if (rm.hasNestedResultMaps()) {
for (Map.Entry entry : resultMaps.entrySet()) {
Object value = entry.getValue();
if (value instanceof ResultMap) {
ResultMap entryResultMap = (ResultMap) value;
if (!entryResultMap.hasNestedResultMaps() && entryResultMap.getDiscriminator() != null) {
Collection discriminatedResultMapNames = entryResultMap.getDiscriminator().getDiscriminatorMap().values();
if (discriminatedResultMapNames.contains(rm.getId())) {
entryResultMap.forceNestedResultMaps();
}
}
}
}
}
}
// Slow but a one time cost. A better solution is welcome.
protected void checkLocallyForDiscriminatedNestedResultMaps(ResultMap rm) {
if (!rm.hasNestedResultMaps() && rm.getDiscriminator() != null) {
for (Map.Entry entry : rm.getDiscriminator().getDiscriminatorMap().entrySet()) {
String discriminatedResultMapName = entry.getValue();
if (hasResultMap(discriminatedResultMapName)) {
ResultMap discriminatedResultMap = resultMaps.get(discriminatedResultMapName);
if (discriminatedResultMap.hasNestedResultMaps()) {
rm.forceNestedResultMaps();
break;
}
}
}
}
}
protected static class StrictMap extends HashMap {
private static final long serialVersionUID = -4950446264854982944L;
private final String name;
private BiFunction conflictMessageProducer;
public StrictMap(String name, int initialCapacity, float loadFactor) {
super(initialCapacity, loadFactor);
this.name = name;
}
public StrictMap(String name, int initialCapacity) {
super(initialCapacity);
this.name = name;
}
public StrictMap(String name) {
super();
this.name = name;
}
public StrictMap(String name, Map m) {
super(m);
this.name = name;
}
/**
* Assign a function for producing a conflict error message when contains value with the same key.
*
* function arguments are 1st is saved value and 2nd is target value.
* @param conflictMessageProducer A function for producing a conflict error message
* @return a conflict error message
* @since 3.5.0
*/
public StrictMap conflictMessageProducer(BiFunction conflictMessageProducer) {
this.conflictMessageProducer = conflictMessageProducer;
return this;
}
@Override
@SuppressWarnings("unchecked")
public V put(String key, V value) {
if (containsKey(key)) {
throw new IllegalArgumentException(name + " already contains value for " + key
+ (conflictMessageProducer == null ? "" : conflictMessageProducer.apply(super.get(key), value)));
}
if (key.contains(".")) {
final String shortKey = getShortName(key);
if (super.get(shortKey) == null) {
super.put(shortKey, value);
} else {
super.put(shortKey, (V) new Ambiguity(shortKey));
}
}
return super.put(key, value);
}
@Override
public V get(Object key) {
V value = super.get(key);
if (value == null) {
throw new IllegalArgumentException(name + " does not contain value for " + key);
}
if (value instanceof Ambiguity) {
throw new IllegalArgumentException(((Ambiguity) value).getSubject() + " is ambiguous in " + name
+ " (try using the full name including the namespace, or rename one of the entries)");
}
return value;
}
protected static class Ambiguity {
private final String subject;
public Ambiguity(String subject) {
this.subject = subject;
}
public String getSubject() {
return subject;
}
}
private String getShortName(String key) {
final String[] keyParts = key.split("\\.");
return keyParts[keyParts.length - 1];
}
}
}