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## org.codehaus.groovy.grails.transaction
[Java] Class ChainedTransactionManagerPostProcessor

    java.lang.Object
      org.codehaus.groovy.grails.transaction.ChainedTransactionManagerPostProcessor

All Implemented Interfaces:
  org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor, org.springframework.core.Ordered

    public class ChainedTransactionManagerPostProcessor
    extends java.lang.Object

A org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor for using the "Best Effort 1 Phase Commit" (BE1PC) in Grails applications when there are multiple data sources. When the context contains multiple transactionManager beans, the bean with the name "transactionManager" will be renamed to "$primaryTransactionManager" and a new ChainedTransactionManager bean will be added with the name "transactionManager". All transactionManager beans will be registered in the ChainedTransactionManager bean. The post processor checks if the previous transactionManager bean is an instance of org.springframework.transaction.jta.JtaTransactionManager. In that case it will not do anything since it's assumed that JTA/XA is handling transactions spanning multiple datasources. For performance reasons an additional dataSource can be marked as non-transactional by adding a property 'transactional = false' in it's dataSource configuration. This will leave the dataSource out of the transactions initiated by Grails transactions. This is the default behaviour in Grails versions before Grails 2.3.6 .

Authors:
  Lari Hotari

Since:
  2.3.6

Constructor Summary
`ChainedTransactionManagerPostProcessor(groovy.util.ConfigObject config)`
`ChainedTransactionManagerPostProcessor(groovy.util.ConfigObject config, java.lang.String whitelistPattern, java.lang.String blacklistPattern)`
`ChainedTransactionManagerPostProcessor()`

Method Summary
`protected void` | `addChainedTransactionManager(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)`
`protected int` | `countChainableTransactionManagerBeans(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)`
`java.lang.String` | `getBeanNameBlacklistPattern()`
`java.lang.String` | `getBeanNameInternalBlacklistPattern()`
`java.lang.String` | `getBeanNameWhitelistPattern()`
`int` | `getOrder()`
`protected boolean` | `hasJtaOrChainedTransactionManager(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)`
`protected boolean` | `isNotTransactional(java.util.Map dsConfigs, java.lang.String suffix)`
`protected boolean` | `isValidTransactionManagerBeanName(java.lang.String beanName)`
`void` | `postProcessBeanDefinitionRegistry(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)`
`void` | `postProcessBeanFactory(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory)`
`protected java.util.Map` | `readDataSourceConfig()`
`protected void` | `registerAdditionalTransactionManagers(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory)`
`protected java.lang.String` | `resolveDataSourceSuffix(java.lang.String transactionManagerBeanName)`
`protected java.lang.Class` | `resolveTransactionManagerClass(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)`
`void` | `setBeanNameBlacklistPattern(java.lang.String beanNameBlacklistPattern)`
`void` | `setBeanNameInternalBlacklistPattern(java.lang.String beanNameInternalBlacklistPattern)`
`void` | `setBeanNameWhitelistPattern(java.lang.String beanNameWhitelistPattern)`
`void` | `setConfig(groovy.util.ConfigObject config)`

Methods inherited from class java.lang.Object
java.lang.Object#wait(long, int), java.lang.Object#wait(long), java.lang.Object#wait(), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll()

Constructor Detail

### ChainedTransactionManagerPostProcessor

    public ChainedTransactionManagerPostProcessor(groovy.util.ConfigObject config)

### ChainedTransactionManagerPostProcessor

    public ChainedTransactionManagerPostProcessor(groovy.util.ConfigObject config, java.lang.String whitelistPattern, java.lang.String blacklistPattern)

### ChainedTransactionManagerPostProcessor

    public ChainedTransactionManagerPostProcessor()

Method Detail

### addChainedTransactionManager

    protected void addChainedTransactionManager(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)

### countChainableTransactionManagerBeans

    protected int countChainableTransactionManagerBeans(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)

### getBeanNameBlacklistPattern

    public java.lang.String getBeanNameBlacklistPattern()

### getBeanNameInternalBlacklistPattern

    public java.lang.String getBeanNameInternalBlacklistPattern()

### getBeanNameWhitelistPattern

    public java.lang.String getBeanNameWhitelistPattern()

### getOrder

    @java.lang.Overridereturn Ordered.HIGHEST_PRECEDENCE;
    public int getOrder()

### hasJtaOrChainedTransactionManager

    protected boolean hasJtaOrChainedTransactionManager(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)

### isNotTransactional

    protected boolean isNotTransactional(java.util.Map dsConfigs, java.lang.String suffix)

### isValidTransactionManagerBeanName

    protected boolean isValidTransactionManagerBeanName(java.lang.String beanName)

### postProcessBeanDefinitionRegistry

    @java.lang.Override
    public void postProcessBeanDefinitionRegistry(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)

### postProcessBeanFactory

    @java.lang.Override
    public void postProcessBeanFactory(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory)

### readDataSourceConfig

    @java.lang.SuppressWarnings({ "rawtypes", "unchecked" })
    protected java.util.Map readDataSourceConfig()

### registerAdditionalTransactionManagers

    protected void registerAdditionalTransactionManagers(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory)

### resolveDataSourceSuffix

    protected java.lang.String resolveDataSourceSuffix(java.lang.String transactionManagerBeanName)

### resolveTransactionManagerClass

    protected java.lang.Class resolveTransactionManagerClass(org.springframework.beans.factory.support.BeanDefinitionRegistry registry)

### setBeanNameBlacklistPattern

    public void setBeanNameBlacklistPattern(java.lang.String beanNameBlacklistPattern)

### setBeanNameInternalBlacklistPattern

    public void setBeanNameInternalBlacklistPattern(java.lang.String beanNameInternalBlacklistPattern)

### setBeanNameWhitelistPattern

    public void setBeanNameWhitelistPattern(java.lang.String beanNameWhitelistPattern)

### setConfig

    public void setConfig(groovy.util.ConfigObject config)

Groovy Documentation