Examples of org.jboss.cache.interceptors.OptimisticValidatorInterceptor

org.jboss.cache.interceptors.OptimisticValidatorInterceptor
Validates the data in the {@link TransactionWorkspace} against data in the underlying data structure(versions only) and then applies changes to the underlying data structure. This is only triggered when commit, rollback or prepare method calls are encountered. Other method calls are directly passed up the interceptor chain, untouched. Note that prepare/commit/rollbacks are not passed up the interceptor chain after being processed.
When preparting, this interceptor does nothing more than validate versions. The validation scheme used is based on the {@link org.jboss.cache.optimistic.DataVersion} implementation used.{@link org.jboss.cache.optimistic.DataVersion#newerThan(org.jboss.cache.optimistic.DataVersion)} is used to determinewhether the version of one instance is newer than the version of another. It is up to the {@link org.jboss.cache.optimistic.DataVersion}implementation to deal with attempting to compare incompatible version types (and potentially throwing {@link org.jboss.cache.optimistic.DataVersioningException}s.
Upon successful commit, changes in the workspace are applied to the underlying data structure in the cache.
On rollback clears the nodes in the workspace and leaves the underlying data structure untouched. @author Manik Surtani (manik AT jboss DOT org) @author Steve Woodcock (stevew@jofti.com) @deprecated will be removed along with optimistic and pessimistic locking.


    public void testTransactionvalidateMethod() throws Exception
    {
        TreeCache cache = createCacheWithListener();


        Interceptor validateInterceptor = new OptimisticValidatorInterceptor();
        validateInterceptor.setCache(cache);
        Interceptor interceptor = new OptimisticCreateIfNotExistsInterceptor();
        interceptor.setCache(cache);
        Interceptor nodeInterceptor = new OptimisticNodeInterceptor();
        nodeInterceptor.setCache(cache);
        MockInterceptor dummy = new MockInterceptor();
        dummy.setCache(cache);
        validateInterceptor.setNext(interceptor);
        interceptor.setNext(nodeInterceptor);
        nodeInterceptor.setNext(dummy);


        cache.setInterceptorChain(validateInterceptor);

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    public void testTransactionValidateFailureMethod() throws Exception
    {


        TreeCache cache = createCacheWithListener();


        Interceptor validateInterceptor = new OptimisticValidatorInterceptor();
        validateInterceptor.setCache(cache);
        Interceptor interceptor = new OptimisticCreateIfNotExistsInterceptor();
        interceptor.setCache(cache);
        Interceptor nodeInterceptor = new OptimisticNodeInterceptor();
        nodeInterceptor.setCache(cache);
        MockInterceptor dummy = new MockInterceptor();
        dummy.setCache(cache);
        validateInterceptor.setNext(interceptor);
        interceptor.setNext(nodeInterceptor);
        nodeInterceptor.setNext(dummy);


        cache.setInterceptorChain(validateInterceptor);

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    public void testTransactionValidateCommitMethod() throws Exception
    {


        TreeCache cache = createCacheWithListener();


        Interceptor validateInterceptor = new OptimisticValidatorInterceptor();
        validateInterceptor.setCache(cache);
        Interceptor interceptor = new OptimisticCreateIfNotExistsInterceptor();
        interceptor.setCache(cache);
        Interceptor nodeInterceptor = new OptimisticNodeInterceptor();
        nodeInterceptor.setCache(cache);
        MockInterceptor dummy = new MockInterceptor();
        dummy.setCache(cache);
        validateInterceptor.setNext(interceptor);
        interceptor.setNext(nodeInterceptor);
        nodeInterceptor.setNext(dummy);


        cache.setInterceptorChain(validateInterceptor);

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    public void testTransactionValidateFailRemoteCommitMethod() throws Exception
    {


        TreeCache cache = createCacheWithListener();


        Interceptor validateInterceptor = new OptimisticValidatorInterceptor();
        validateInterceptor.setCache(cache);
        Interceptor interceptor = new OptimisticCreateIfNotExistsInterceptor();
        interceptor.setCache(cache);
        Interceptor nodeInterceptor = new OptimisticNodeInterceptor();
        nodeInterceptor.setCache(cache);
        MockInterceptor dummy = new MockInterceptor();
        dummy.setCache(cache);
        validateInterceptor.setNext(interceptor);
        interceptor.setNext(nodeInterceptor);
        nodeInterceptor.setNext(dummy);


        cache.setInterceptorChain(validateInterceptor);

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    public void testTransactionValidateRollbackMethod() throws Exception
    {


        TreeCache cache = createCacheWithListener();
        Interceptor validateInterceptor = new OptimisticValidatorInterceptor();
        validateInterceptor.setCache(cache);
        Interceptor interceptor = new OptimisticCreateIfNotExistsInterceptor();
        interceptor.setCache(cache);
        Interceptor nodeInterceptor = new OptimisticNodeInterceptor();
        nodeInterceptor.setCache(cache);
        MockInterceptor dummy = new MockInterceptor();
        dummy.setCache(cache);
        validateInterceptor.setNext(interceptor);
        interceptor.setNext(nodeInterceptor);
        nodeInterceptor.setNext(dummy);


        cache.setInterceptorChain(validateInterceptor);

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Related Classes of org.jboss.cache.interceptors.OptimisticValidatorInterceptor

org.jboss.cache.config.Configuration.CacheMode

org.jboss.cache.DataNode

org.jboss.cache.Fqn

org.jboss.cache.GlobalTransaction

org.jboss.cache.InvocationContext

org.jboss.cache.marshall.JBCMethodCall

org.jboss.cache.NodeSPI

org.jboss.cache.optimistic.TransactionWorkspace

org.jboss.cache.optimistic.ValidatorInterceptorTest

org.jboss.cache.optimistic.WorkspaceNode

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