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package javax.ejb;

import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.*;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.*;

/**
 * Designate a stateful session bean method to receive the before completion
 * session synchronization callback.
 * 

* * The before completion callback notifies a stateful session bean * instance that a transaction is about to be committed. *

* This method executes in the proper transaction context. * *

Note: The instance may still cause the container to * rollback the transaction by invoking the setRollbackOnly() method * on the session context or by throwing an exception. * * A bean must have at most one BeforeCompletion method. * The signature of this method must observe the following rules: *

    *
  • The method must not be declared as final or static. *
  • The method may have any access type. *
  • The return type must be void. *
  • The method must take no arguments. *
* *

* A stateful session bean class may use either the * SessionSynchronization interface or the session * synchronization annotations, but not both. * * @see SessionSynchronization * @see AfterBegin * @see AfterCompletion * * @since EJB 3.1 */ @Target(METHOD) @Retention(RUNTIME) public @interface BeforeCompletion {}





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