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HibernatePluginSupport.groovy
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HibernatePluginSupport.groovy
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/*
* Copyright 2004-2005 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.codehaus.groovy.grails.plugins.orm.hibernate
import grails.orm.HibernateCriteriaBuilder
import org.apache.commons.logging.Log
import org.apache.commons.logging.LogFactory
import org.codehaus.groovy.grails.commons.GrailsApplication
import org.codehaus.groovy.grails.commons.GrailsDomainClass
import org.codehaus.groovy.grails.commons.metaclass.StaticMethodInvocation
import org.codehaus.groovy.grails.commons.spring.GrailsRuntimeConfigurator
import org.codehaus.groovy.grails.commons.spring.WebRuntimeSpringConfiguration
import org.codehaus.groovy.grails.orm.hibernate.ConfigurableLocalSessionFactoryBean
import org.codehaus.groovy.grails.orm.hibernate.metaclass.*
import org.codehaus.groovy.grails.orm.hibernate.support.*
import org.codehaus.groovy.grails.orm.hibernate.validation.PersistentConstraintFactory
import org.codehaus.groovy.grails.orm.hibernate.validation.UniqueConstraint
import org.codehaus.groovy.grails.validation.ConstrainedProperty
import org.hibernate.Query
import org.hibernate.Session
import org.hibernate.SessionFactory
import org.springframework.beans.BeanWrapperImpl
import org.springframework.beans.SimpleTypeConverter
import org.springframework.beans.factory.config.BeanDefinition
import org.springframework.beans.factory.config.PropertiesFactoryBean
import org.springframework.context.ApplicationContext
import org.springframework.jdbc.support.nativejdbc.CommonsDbcpNativeJdbcExtractor
import org.springframework.orm.hibernate3.*
import org.springframework.transaction.support.TransactionCallback
import org.springframework.transaction.support.TransactionTemplate
import org.codehaus.groovy.grails.orm.hibernate.validation.HibernateDomainClassValidator
import org.hibernate.LockMode
import org.codehaus.groovy.grails.commons.GrailsClassUtils
import grails.util.GrailsUtil
import org.codehaus.groovy.grails.commons.spring.RuntimeSpringConfiguration
import org.codehaus.groovy.grails.commons.spring.DefaultRuntimeSpringConfiguration
import org.hibernate.Criteria
import org.codehaus.groovy.grails.orm.hibernate.cfg.GrailsHibernateUtil
import org.hibernate.proxy.HibernateProxy
import org.hibernate.proxy.LazyInitializer
import org.apache.commons.beanutils.PropertyUtils
import org.hibernate.Hibernate
import org.springframework.validation.Validator
import org.hibernate.EmptyInterceptor
import org.codehaus.groovy.grails.orm.hibernate.events.PatchedDefaultFlushEventListener
import org.springframework.transaction.support.TransactionSynchronizationManager
import org.codehaus.groovy.grails.commons.ConfigurationHolder
/**
* Used by HibernateGrailsPlugin to implement the core parts of GORM
*
* @author Graeme Rocher
* @since 1.1
*
* Created: Jan 13, 2009
*/
public class HibernatePluginSupport {
static final Log LOG = LogFactory.getLog(HibernatePluginSupport)
static hibProps = [:]
static hibConfigClass
static doWithSpring = {
def factory = new PersistentConstraintFactory(getSpringConfig().getUnrefreshedApplicationContext(), UniqueConstraint.class)
ConstrainedProperty.registerNewConstraint(UniqueConstraint.UNIQUE_CONSTRAINT, factory);
for(GrailsDomainClass dc in application.domainClasses) {
"${dc.fullName}Validator"(HibernateDomainClassValidator) {
messageSource = ref("messageSource")
domainClass = ref("${dc.fullName}DomainClass")
grailsApplication = ref("grailsApplication", true)
}
}
def vendorToDialect = new Properties()
def hibernateDialects = application.classLoader.getResource("hibernate-dialects.properties")
if (hibernateDialects) {
def p = new Properties()
p.load(hibernateDialects.openStream())
p.each {entry ->
vendorToDialect[entry.value] = "org.hibernate.dialect.${entry.key}".toString()
}
}
def ds = application.config.dataSource
def hibConfig = application.config.hibernate
BeanDefinition externalDefinition = HibernatePluginSupport.checkExternalBeans(application)
if (externalDefinition && !ds) {
ds = new ConfigObject()
application.config.dataSource = ds
}
if (ds || application.domainClasses.size() > 0) {
hibConfigClass = ds?.configClass
if (ds && ds.loggingSql || ds && ds.logSql) {
hibProps."hibernate.show_sql" = "true"
hibProps."hibernate.format_sql" = "true"
}
if (ds && ds.dialect) {
if(ds.dialect instanceof Class)
hibProps."hibernate.dialect" = ds.dialect.name
else
hibProps."hibernate.dialect" = ds.dialect.toString()
}
else {
dialectDetector(HibernateDialectDetectorFactoryBean) {
dataSource = ref("dataSource")
vendorNameDialectMappings = vendorToDialect
}
hibProps."hibernate.dialect" = dialectDetector
}
if (!ds) {
hibProps."hibernate.hbm2ddl.auto" = "create-drop"
}
else if (ds.dbCreate) {
hibProps."hibernate.hbm2ddl.auto" = ds.dbCreate
}
LOG.info "Set db generation strategy to '${hibProps.'hibernate.hbm2ddl.auto'}'"
if(hibConfig) {
def cacheProvider = hibConfig.cache.provider_class
if('org.hibernate.cache.EhCacheProvider' == cacheProvider) {
try {
def cacheClass = getClass().classLoader.loadClass('net.sf.ehcache.Cache')
} catch (Throwable t) {
hibConfig.remove('cache')
log.error """WARNING: Your cache provider is set to 'org.hibernate.cache.EhCacheProvider' in DataSource.groovy, however the classes for this provider cannot be found.
Try using Grails' default cache provider: 'org.hibernate.cache.OSCacheProvider'"""
}
}
hibProps.putAll(hibConfig.flatten().toProperties('hibernate'))
}
hibernateProperties(PropertiesFactoryBean) { bean ->
bean.scope = "prototype"
properties = hibProps
}
nativeJdbcExtractor(CommonsDbcpNativeJdbcExtractor)
lobHandlerDetector(SpringLobHandlerDetectorFactoryBean) {
dataSource = dataSource
pooledConnection = ds && ds.pooled ?: false
nativeJdbcExtractor = ref("nativeJdbcExtractor")
}
eventTriggeringInterceptor(ClosureEventTriggeringInterceptor)
entityInterceptor(EmptyInterceptor)
sessionFactory(ConfigurableLocalSessionFactoryBean) {
dataSource = dataSource
if (application.classLoader.getResource("hibernate.cfg.xml")) {
configLocation = "classpath:hibernate.cfg.xml"
}
if (hibConfigClass) {
configClass = ds.configClass
}
hibernateProperties = hibernateProperties
grailsApplication = ref("grailsApplication", true)
lobHandler = lobHandlerDetector
entityInterceptor = entityInterceptor
eventListeners = ['flush': new PatchedDefaultFlushEventListener(),
'pre-load':eventTriggeringInterceptor,
'post-load':eventTriggeringInterceptor,
'save':eventTriggeringInterceptor,
'save-update':eventTriggeringInterceptor,
'post-insert':eventTriggeringInterceptor,
'pre-update':eventTriggeringInterceptor,
'post-update':eventTriggeringInterceptor,
'pre-delete':eventTriggeringInterceptor,
'post-delete':eventTriggeringInterceptor]
}
transactionManager(HibernateTransactionManager) {
sessionFactory = sessionFactory
}
persistenceInterceptor(HibernatePersistenceContextInterceptor) {
sessionFactory = sessionFactory
}
if (manager?.hasGrailsPlugin("controllers")) {
openSessionInViewInterceptor(GrailsOpenSessionInViewInterceptor) {
if(hibConfig.flush.mode instanceof String) {
switch(hibConfig.flush.mode) {
case "manual":
flushMode = HibernateAccessor.FLUSH_NEVER; break
case "always":
flushMode = HibernateAccessor.FLUSH_ALWAYS; break
case "commit":
flushMode = HibernateAccessor.FLUSH_COMMIT; break
default:
flushMode = HibernateAccessor.FLUSH_AUTO
}
}
else {
flushMode = HibernateAccessor.FLUSH_AUTO
}
sessionFactory = sessionFactory
}
if(getSpringConfig().containsBean("controllerHandlerMappings")) {
controllerHandlerMappings.interceptors << openSessionInViewInterceptor
}
if(getSpringConfig().containsBean("annotationHandlerMapping")) {
if(annotationHandlerMapping.interceptors) {
annotationHandlerMapping.interceptors << openSessionInViewInterceptor
}
else {
annotationHandlerMapping.interceptors = [openSessionInViewInterceptor]
}
}
}
}
}
static final doWithDynamicMethods = {ApplicationContext ctx ->
for(entry in ctx.getBeansOfType(SessionFactory)) {
SessionFactory sessionFactory = entry.value
enhanceSessionFactory(sessionFactory, application, ctx)
}
}
public static void enhanceProxy ( HibernateProxy proxy ) {
// getter
proxy.metaClass.propertyMissing = { String name ->
if(delegate instanceof HibernateProxy) {
return GrailsHibernateUtil.unwrapProxy(delegate)."$name"
}
else {
throw new MissingPropertyException(name, delegate.class)
}
}
// setter
proxy.metaClass.propertyMissing = { String name, val ->
if(delegate instanceof HibernateProxy) {
GrailsHibernateUtil.unwrapProxy(delegate)."$name" = val
}
else {
throw new MissingPropertyException(name, delegate.class)
}
}
proxy.metaClass.methodMissing = { String name, args ->
if(delegate instanceof HibernateProxy) {
def obj = GrailsHibernateUtil.unwrapProxy(delegate)
return obj."$name"(*args)
}
else {
throw new MissingPropertyException(name, delegate.class)
}
}
}
private static DOMAIN_INITIALIZERS = [:]
static initializeDomain(Class c) {
DOMAIN_INITIALIZERS.get(c)?.call()
}
static enhanceSessionFactory(SessionFactory sessionFactory, GrailsApplication application, ApplicationContext ctx) {
// we're going to configure Grails to lazily initialise the dynamic methods on domain classes to avoid
// the overhead of doing so at start-up time
def lazyInit = {GrailsDomainClass dc ->
registerDynamicMethods(dc, application, ctx, sessionFactory)
for (subClass in dc.subClasses) {
registerDynamicMethods(subClass, application, ctx, sessionFactory)
}
MetaClass emc = GroovySystem.metaClassRegistry.getMetaClass(dc.clazz)
}
for (GrailsDomainClass dc in application.domainClasses) {
// registerDynamicMethods(dc, application, ctx)
MetaClass mc = dc.metaClass
def initDomainClass = lazyInit.curry(dc)
DOMAIN_INITIALIZERS[dc.clazz] = initDomainClass
// these need to be eagerly initialised here, otherwise Groovy's findAll from the DGM is called
def findAllMethod = new FindAllPersistentMethod(sessionFactory, application.classLoader)
mc.static.findAll = {->
findAllMethod.invoke(mc.javaClass, "findAll", [] as Object[])
}
mc.static.findAll = {Object example -> findAllMethod.invoke(mc.javaClass, "findAll", [example] as Object[])}
mc.static.findAll = {Object example, Map args -> findAllMethod.invoke(mc.javaClass, "findAll", [example, args] as Object[])}
mc.methodMissing = { String name, args ->
initDomainClass()
mc.invokeMethod(delegate, name, args)
}
mc.static.methodMissing = {String name, args ->
initDomainClass()
def result
if (delegate instanceof Class) {
result = mc.invokeStaticMethod(delegate, name, args)
}
else {
result = mc.invokeMethod(delegate, name, args)
}
result
}
addValidationMethods(dc, application, ctx, sessionFactory)
}
}
static final LAZY_PROPERTY_HANDLER = { String propertyName ->
def propertyValue = PropertyUtils.getProperty(delegate, propertyName)
if(propertyValue instanceof HibernateProxy) {
return GrailsHibernateUtil.unwrapProxy(propertyValue)
}
return propertyValue
}
/**
* This method overrides a getter on a property that is a Hibernate proxy in order to make sure the initialized object is returned hence avoiding Hibernate proxy hell
*/
public static void handleLazyProxy ( GrailsDomainClass domainClass, org.codehaus.groovy.grails.commons.GrailsDomainClassProperty property) {
String propertyName = property.name
def getterName = GrailsClassUtils.getGetterName(propertyName)
def setterName = GrailsClassUtils.getSetterName(propertyName)
domainClass.metaClass."${getterName}" = LAZY_PROPERTY_HANDLER.curry(propertyName)
domainClass.metaClass."${setterName}" = { PropertyUtils.setProperty(delegate, propertyName, it) }
for(GrailsDomainClass sub in domainClass.subClasses) {
handleLazyProxy(sub, sub.getPropertyByName(property.name))
}
}
private static registerDynamicMethods(GrailsDomainClass dc, GrailsApplication application, ApplicationContext ctx, SessionFactory sessionFactory) {
dc.metaClass.methodMissing = { String name, args ->
throw new MissingMethodException(name, dc.clazz, args, true)
}
addBasicPersistenceMethods(dc, application, ctx)
addQueryMethods(dc, application, ctx)
addTransactionalMethods(dc, application, ctx)
addValidationMethods(dc, application, ctx,sessionFactory)
addDynamicFinderSupport(dc, application, ctx)
}
private static addDynamicFinderSupport(GrailsDomainClass dc, GrailsApplication application, ApplicationContext ctx) {
def mc = dc.metaClass
def GroovyClassLoader classLoader = application.classLoader
def sessionFactory = ctx.getBean('sessionFactory')
def dynamicMethods = [new FindAllByBooleanPropertyPersistentMethod(application, sessionFactory, classLoader),
new FindAllByPersistentMethod(application, sessionFactory, classLoader),
new FindByPersistentMethod(application, sessionFactory, classLoader),
new FindByBooleanPropertyPersistentMethod(application, sessionFactory, classLoader),
new CountByPersistentMethod(application, sessionFactory, classLoader),
new ListOrderByPersistentMethod(sessionFactory, classLoader)]
// This is the code that deals with dynamic finders. It looks up a static method, if it exists it invokes it
// otherwise it trys to match the method invocation to one of the dynamic methods. If it matches it will
// register a new method with the ExpandoMetaClass so the next time it is invoked it doesn't have this overhead.
mc.static.methodMissing = {String methodName, args ->
def result = null
StaticMethodInvocation method = dynamicMethods.find {it.isMethodMatch(methodName)}
if (method) {
// register the method invocation for next time
synchronized(this) {
mc.static."$methodName" = {List varArgs ->
method.invoke(dc.clazz, methodName, varArgs)
}
}
result = method.invoke(dc.clazz, methodName, args)
}
else {
throw new MissingMethodException(methodName, delegate, args)
}
result
}
}
static final SET_PROPERTIES_CLOSURE = {Object o ->
originalPropertiesProperty.setProperty delegate, o
if(delegate.hasErrors()) {
GrailsHibernateUtil.setObjectToReadyOnly delegate,sessionFactory
}
}
private static addValidationMethods(GrailsDomainClass dc, GrailsApplication application, ApplicationContext ctx, SessionFactory sessionFactory) {
def metaClass = dc.metaClass
Validator validator = ctx.containsBean("${dc.fullName}Validator") ? ctx.getBean("${dc.fullName}Validator") : null
def validateMethod = new ValidatePersistentMethod(sessionFactory, application.classLoader, application,validator)
metaClass.validate = {->
validateMethod.invoke(delegate, "validate", [] as Object[])
}
metaClass.validate = {Map args ->
validateMethod.invoke(delegate, "validate", [args] as Object[])
}
metaClass.validate = {Boolean b ->
validateMethod.invoke(delegate, "validate", [b] as Object[])
}
metaClass.validate = {List args ->
validateMethod.invoke(delegate, "validate", [args] as Object[])
}
}
private static addTransactionalMethods(GrailsDomainClass dc, GrailsApplication application, ApplicationContext ctx) {
def metaClass = dc.metaClass
SessionFactory sessionFactory = ctx.getBean('sessionFactory')
def Class domainClassType = dc.clazz
def GroovyClassLoader classLoader = application.classLoader
metaClass.static.withTransaction = {Closure callable ->
new TransactionTemplate(ctx.getBean('transactionManager')).execute({status ->
callable.call(status)
} as TransactionCallback)
}
metaClass.static.withSession = { Closure callable ->
new HibernateTemplate(sessionFactory).execute({ session ->
callable(session)
} as HibernateCallback)
}
metaClass.static.withNewSession = { Closure callable ->
HibernateTemplate template = new HibernateTemplate(sessionFactory)
SessionHolder sessionHolder = (SessionHolder) TransactionSynchronizationManager.getResource(sessionFactory);
Session previousSession = sessionHolder?.getSession()
try {
template.alwaysUseNewSession=true
template.execute({ Session session ->
sessionHolder.addSession(session)
callable(session)
} as HibernateCallback)
}
finally {
if(previousSession!=null) sessionHolder.addSession(previousSession)
}
}
// Initiates a pessimistic lock on the row represented by the object using
// the dbs "SELECT FOR UPDATE" mechanism
def template = new HibernateTemplate(sessionFactory)
metaClass.lock = {->
template.lock(delegate, LockMode.UPGRADE)
}
metaClass.static.lock = { Serializable id ->
def identityType = dc.identifier.type
id = convertToType(id, identityType)
template.get(delegate, id, LockMode.UPGRADE)
}
}
private static addQueryMethods(GrailsDomainClass dc, GrailsApplication application, ApplicationContext ctx) {
def metaClass = dc.metaClass
SessionFactory sessionFactory = ctx.getBean('sessionFactory')
def template = new HibernateTemplate(sessionFactory)
def Class domainClassType = dc.clazz
def GroovyClassLoader classLoader = application.classLoader
def findAllMethod = new FindAllPersistentMethod(sessionFactory, classLoader)
metaClass.static.findAll = {String query ->
findAllMethod.invoke(domainClassType, "findAll", [query] as Object[])
}
metaClass.static.findAll = {String query, Collection positionalParams ->
findAllMethod.invoke(domainClassType, "findAll", [query, positionalParams] as Object[])
}
metaClass.static.findAll = {String query, Collection positionalParams, Map paginateParams ->
findAllMethod.invoke(domainClassType, "findAll", [query, positionalParams, paginateParams] as Object[])
}
metaClass.static.findAll = {String query, Map namedArgs ->
findAllMethod.invoke(domainClassType, "findAll", [query, namedArgs] as Object[])
}
metaClass.static.findAll = {String query, Map namedArgs, Map paginateParams ->
findAllMethod.invoke(domainClassType, "findAll", [query, namedArgs, paginateParams] as Object[])
}
def findMethod = new FindPersistentMethod(sessionFactory, classLoader)
metaClass.static.find = {String query ->
findMethod.invoke(domainClassType, "find", [query] as Object[])
}
metaClass.static.find = {String query, Collection args ->
findMethod.invoke(domainClassType, "find", [query, args] as Object[])
}
metaClass.static.find = {String query, Map namedArgs ->
findMethod.invoke(domainClassType, "find", [query, namedArgs] as Object[])
}
metaClass.static.find = {Object example ->
findMethod.invoke(domainClassType, "find", [example] as Object[])
}
def executeQueryMethod = new ExecuteQueryPersistentMethod(sessionFactory, classLoader)
metaClass.static.executeQuery = {String query ->
executeQueryMethod.invoke(domainClassType, "executeQuery", [query] as Object[])
}
metaClass.static.executeQuery = {String query, Collection positionalParams ->
executeQueryMethod.invoke(domainClassType, "executeQuery", [query, positionalParams] as Object[])
}
metaClass.static.executeQuery = {String query, Collection positionalParams, Map paginateParams ->
executeQueryMethod.invoke(domainClassType, "executeQuery", [query, positionalParams, paginateParams] as Object[])
}
metaClass.static.executeQuery = {String query, Map namedParams ->
executeQueryMethod.invoke(domainClassType, "executeQuery", [query, namedParams] as Object[])
}
metaClass.static.executeQuery = {String query, Map namedParams, Map paginateParams ->
executeQueryMethod.invoke(domainClassType, "executeQuery", [query, namedParams, paginateParams] as Object[])
}
metaClass.static.executeUpdate = {String query ->
template.bulkUpdate(query)
}
metaClass.static.executeUpdate = {String query, Collection args ->
template.bulkUpdate(query, GrailsClassUtils.collectionToObjectArray(args))
}
metaClass.static.executeUpdate = {String query, Map argMap ->
template.executeWithNativeSession( { Session session ->
Query queryObject = session.createQuery(query)
SessionFactoryUtils.applyTransactionTimeout(queryObject, template.sessionFactory);
for (entry in argMap) {
queryObject.setParameter(entry.key, entry.value)
}
queryObject.executeUpdate()
} as HibernateCallback);
}
def listMethod = new ListPersistentMethod(sessionFactory, classLoader)
metaClass.static.list = {-> listMethod.invoke(domainClassType, "list", [] as Object[])}
metaClass.static.list = {Map args -> listMethod.invoke(domainClassType, "list", [args] as Object[])}
metaClass.static.findWhere = {Map query ->
template.execute({Session session ->
def criteria = session.createCriteria(domainClassType)
criteria.add(org.hibernate.criterion.Expression.allEq(query))
criteria.setMaxResults(1)
criteria.uniqueResult()
} as HibernateCallback)
}
metaClass.static.findAllWhere = {Map query ->
template.execute({Session session ->
def criteria = session.createCriteria(domainClassType)
criteria.add(org.hibernate.criterion.Expression.allEq(query))
criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
criteria.list()
} as HibernateCallback)
}
metaClass.static.getAll = {->
template.execute({session ->
session.createCriteria(domainClassType).list()
} as HibernateCallback)
}
metaClass.static.getAll = {List ids ->
template.execute({Session session ->
def identityType = dc.identifier.type
ids = ids.collect {convertToType(it, identityType)}
def criteria = session.createCriteria(domainClassType)
criteria.add(org.hibernate.criterion.Restrictions.'in'(dc.identifier.name, ids))
def results = criteria.list()
def idsMap = [:]
for (object in results) {
idsMap[object[dc.identifier.name]] = object
}
results.clear()
for (id in ids) {
results << idsMap[id]
}
results
} as HibernateCallback)
}
metaClass.static.exists = {id ->
def identityType = dc.identifier.type
id = convertToType(id, identityType)
template.get(domainClassType, id) != null
}
metaClass.static.createCriteria = {-> new HibernateCriteriaBuilder(domainClassType, sessionFactory)}
metaClass.static.withCriteria = {Closure callable ->
new HibernateCriteriaBuilder(domainClassType, sessionFactory).invokeMethod("doCall", callable)
}
metaClass.static.withCriteria = {Map builderArgs, Closure callable ->
def builder = new HibernateCriteriaBuilder(domainClassType, sessionFactory)
def builderBean = new BeanWrapperImpl(builder)
for (entry in builderArgs) {
if (builderBean.isWritableProperty(entry.key)) {
builderBean.setPropertyValue(entry.key, entry.value)
}
}
builder.invokeMethod("doCall", callable)
}
// TODO: deprecated methods planned for removing from further releases
def deprecated = {methodSignature ->
GrailsUtil.deprecated("${methodSignature} domain class dynamic method is deprecated since 0.6. Check out docs at: http://grails.org/DomainClass+Dynamic+Methods")
}
metaClass.static.findAll = {String query, Integer max ->
deprecated("findAll(String query, int max)")
findAllMethod.invoke(domainClassType, "findAll", [query, max] as Object[])
}
metaClass.static.findAll = {String query, Integer max, Integer offset ->
deprecated("findAll(String query, int max, int offset)")
findAllMethod.invoke(domainClassType, "findAll", [query, max, offset] as Object[])
}
metaClass.static.findAll = {String query, Collection positionalParams, Integer max ->
deprecated("findAll(String query, Collection positionalParams, int max)")
findAllMethod.invoke(domainClassType, "findAll", [query, positionalParams, max] as Object[])
}
metaClass.static.findAll = {String query, Collection positionalParams, Integer max, Integer offset ->
deprecated("findAll(String query, Collection positionalParams, int max, int offset)")
findAllMethod.invoke(domainClassType, "findAll", [query, positionalParams, max, offset] as Object[])
}
metaClass.static.findAll = {String query, Object[] positionalParams ->
deprecated("findAll(String query, Object[] positionalParams)")
findAllMethod.invoke(domainClassType, "findAll", [query, positionalParams] as Object[])
}
metaClass.static.findAll = {String query, Object[] positionalParams, Integer max ->
deprecated("findAll(String query, Object[] positionalParams, int max)")
findAllMethod.invoke(domainClassType, "findAll", [query, positionalParams, max] as Object[])
}
metaClass.static.findAll = {String query, Object[] positionalParams, Integer max, Integer offset ->
deprecated("findAll(String query, Object[] positionalParams, int max, int offset)")
findAllMethod.invoke(domainClassType, "findAll", [query, positionalParams, max, offset] as Object[])
}
metaClass.static.findAll = {String query, Object[] positionalParams, Map args ->
deprecated("findAll(String query, Object[] positionalParams, Map namedArgs)")
findAllMethod.invoke(domainClassType, "findAll", [query, positionalParams, args] as Object[])
}
metaClass.static.findAll = {String query, Map namedArgs, Integer max ->
deprecated("findAll(String query, Map namedParams, int max)")
findAllMethod.invoke(domainClassType, "findAll", [query, namedArgs, max] as Object[])
}
metaClass.static.findAll = {String query, Map namedArgs, Integer max, Integer offset ->
deprecated("findAll(String query, Map namedParams, int max, int offset)")
findAllMethod.invoke(domainClassType, "findAll", [query, namedArgs, max, offset] as Object[])
}
metaClass.static.find = {String query, Object[] args ->
deprecated("find(String query, Object[] positionalParams)")
findMethod.invoke(domainClassType, "find", [query, args] as Object[])
}
metaClass.static.executeQuery = {String query, Object[] positionalParams ->
deprecated("executeQuery(String query, Object[] positionalParams)")
executeQueryMethod.invoke(domainClassType, "executeQuery", [query, positionalParams] as Object[])
}
metaClass.static.executeQuery = {String query, Object[] positionalParams, Map args ->
deprecated("executeQuery(String query, Object[] positionalParams, Map namedParams)")
executeQueryMethod.invoke(domainClassType, "executeQuery", [query, positionalParams, args] as Object[])
}
metaClass.static.executeUpdate = {String query, Object[] args ->
deprecated("executeQuery(String query, Object[] positionalParams)")
template.bulkUpdate(query, args)
}
//
}
/**
* Adds the basic methods for performing persistence such as save, get, delete etc.
*/
private static addBasicPersistenceMethods(GrailsDomainClass dc, GrailsApplication application, ApplicationContext ctx) {
def classLoader = application.classLoader
SessionFactory sessionFactory = ctx.getBean("sessionFactory")
def template = new HibernateTemplate(sessionFactory)
def saveMethod = new SavePersistentMethod(sessionFactory, classLoader, application)
def metaClass = dc.metaClass
metaClass.save = {Boolean validate ->
saveMethod.invoke(delegate, "save", [validate] as Object[])
}
metaClass.save = {Map args ->
saveMethod.invoke(delegate, "save", [args] as Object[])
}
metaClass.save = {->
saveMethod.invoke(delegate, "save", [] as Object[])
}
def mergeMethod = new MergePersistentMethod(sessionFactory, classLoader, application)
metaClass.merge = {Map args ->
mergeMethod.invoke(delegate, "merge", [args] as Object[])
}
metaClass.merge = {->
mergeMethod.invoke(delegate, "merge", [] as Object[])
}
metaClass.static.merge = { Object instance ->
mergeMethod.invoke(instance, "merge", [] as Object[])
}
metaClass.instanceOf = { Class c ->
if(delegate instanceof HibernateProxy) {
def instance = GrailsHibernateUtil.unwrapProxy(delegate)
return c.isInstance(instance)
}
return c.isInstance(delegate)
}
metaClass.delete = {->
def obj = delegate
template.execute({Session session ->
session.delete obj
if(this.shouldFlush()) {
session.flush()
}
} as HibernateCallback)
}
metaClass.delete = { Map args ->
def obj = delegate
template.delete obj
if(shouldFlush(args))
template.flush()
}
metaClass.refresh = {-> template.refresh(delegate); delegate }
metaClass.discard = {->template.evict(delegate); delegate }
metaClass.attach = {->template.lock(delegate, LockMode.NONE); delegate }
metaClass.isAttached = {-> template.contains(delegate) }
metaClass.static.get = {id ->
def identityType = dc.identifier.type
id = convertToType(id, identityType)
if(id != null) {
return template.get(dc.clazz, id)
}
}
metaClass.static.read = {id ->
def identityType = dc.identifier.type
id = convertToType(id, identityType)
if(id != null) {
return template.execute({ Session session ->
def o = session.get(dc.clazz, id)
if(o && session.contains(o))
session.setReadOnly( o, true )
return o
} as HibernateCallback)
}
}
metaClass.static.count = {->
template.execute({Session session ->
def criteria = session.createCriteria(dc.clazz)
criteria.setProjection(org.hibernate.criterion.Projections.rowCount())
criteria.uniqueResult()
} as HibernateCallback)
}
}
private static convertToType(value, targetType) {
SimpleTypeConverter typeConverter = new SimpleTypeConverter()
if (value != null && !targetType.isAssignableFrom(value.class)) {
if (value instanceof Number && Long.class.equals(targetType)) {
value = value.toLong()
}
else {
try {
value = typeConverter.convertIfNecessary(value, targetType)
} catch (org.springframework.beans.TypeMismatchException e) {
// ignore
};
}
}
return value
}
static shouldFlush(Map map = [:]) {
def shouldFlush
if(map?.containsKey('flush')) {
shouldFlush = Boolean.TRUE == map.flush
} else {
def config = ConfigurationHolder.flatConfig
shouldFlush = Boolean.TRUE == config.get('grails.gorm.autoFlush')
}
return shouldFlush
}
private static checkExternalBeans(GrailsApplication application) {
ApplicationContext parent = application.parentContext
try {
def resourcesXml = parent?.getResource(GrailsRuntimeConfigurator.SPRING_RESOURCES_XML);
if (resourcesXml && resourcesXml.exists()) {
def xmlBeans = new org.springframework.beans.factory.xml.XmlBeanFactory(resourcesXml);
if (xmlBeans.containsBean("dataSource")) {
LOG.info("Using dataSource bean definition from ${GrailsRuntimeConfigurator.SPRING_RESOURCES_XML}")
return xmlBeans.getMergedBeanDefinition("dataSource");
}
}
} catch (FileNotFoundException fnfe) {
// that's ok external resources file not required
}
// Check resources.groovy
RuntimeSpringConfiguration springConfig = new DefaultRuntimeSpringConfiguration(parent,application.classLoader)
GrailsRuntimeConfigurator.loadExternalSpringConfig(springConfig, application.classLoader)
if (springConfig.containsBean("dataSource")) {
LOG.info("Using dataSource bean definition from ${GrailsRuntimeConfigurator.SPRING_RESOURCES_GROOVY}")
return springConfig.getBeanDefinition("dataSource")
}
return null
}
}