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package com.sun.enterprise.transaction.spi;
import java.util.concurrent.locks.Lock;
import javax.transaction.*;
import javax.transaction.xa.*;
import javax.resource.spi.XATerminator;
import javax.resource.spi.work.WorkException;
import com.sun.enterprise.transaction.api.JavaEETransaction;
import com.sun.enterprise.transaction.api.JavaEETransactionManager;
import com.sun.enterprise.transaction.api.TransactionAdminBean;
import com.sun.enterprise.transaction.api.XAResourceWrapper;
import org.jvnet.hk2.annotations.Contract;
@Contract
public interface JavaEETransactionManagerDelegate {
/**
* Returns true if this implementation supports
* last agent optimization.
*/
public boolean useLAO();
/**
* Reset LAO value.
*
* @param b the boolean value for the LAO flag.
*/
public void setUseLAO(boolean b);
/**
* Commit distributed transaction if there is any.
*/
public void commitDistributedTransaction() throws RollbackException,
HeuristicMixedException, HeuristicRollbackException,
SecurityException,
IllegalStateException, SystemException;
/**
* Rollback distributed transaction if there is any.
*/
public void rollbackDistributedTransaction() throws IllegalStateException,
SecurityException, SystemException;
/**
* Get implementation specific status of the transaction associated with
* the current thread.
*
* @return the status value as an int.
*/
public int getStatus() throws SystemException;
/**
* Get implementation specific transaction object that represents the transaction
* context of the calling thread.
*
* @return the transaction object.
*/
public Transaction getTransaction() throws SystemException;
/**
* Get local transaction object that corresponds to this transaction instance.
*
* @return the transaction object.
*/
public JavaEETransaction getJavaEETransaction(Transaction t);
/**
* Perform implementation specific steps to enlist a non-XA resource
* with a distribute transaction.
*
* @param tran the Transaction object to be used to enlist the resource.
* @param h the TransactionalResource object to be enlisted.
* @return true if the resource was enlisted successfully.
*/
public boolean enlistDistributedNonXAResource(
Transaction tran, TransactionalResource h)
throws RollbackException, IllegalStateException, SystemException;
/**
* Perform implementation specific steps to enlist resource as a LAO.
*
* @param tran the Transaction object to be used to enlist the resource.
* @param h the TransactionalResource object to be enlisted.
* @return true if the resource was enlisted successfully.
*/
public boolean enlistLAOResource(Transaction tran, TransactionalResource h)
throws RollbackException, IllegalStateException, SystemException;
/**
* Perform implementation specific steps to set setRollbackOnly status
* for distributed transaction if there is any.
*/
public void setRollbackOnlyDistributedTransaction()
throws IllegalStateException, SystemException;
/**
* Perform implementation specific steps to suspend a JavaEETransaction.
*
* @param tx the JavaEETransaction object to be suspend.
* @return Transaction object representing the suspended transaction.
*/
public Transaction suspend(JavaEETransaction tx) throws SystemException;
/**
* Perform implementation specific steps to resume a Transaction.
*
* @param tx the Transaction object that represents the transaction to be resumed.
*/
public void resume(Transaction tx)
throws InvalidTransactionException, IllegalStateException,
SystemException;
/**
* Remove the Transaction object from the cache.
*
* @param tx the Transaction object to be removed.
*/
public void removeTransaction(Transaction tx);
/**
* The delegate with the largest order will be used.
*
* @return the order in which this delegate should be used.
*/
public int getOrder();
/**
* Set the JavaEETransactionManager reference.
*
* @param tm the JavaEETransactionManager object.
*/
public void setTransactionManager(JavaEETransactionManager tm);
/**
* Returns true if this delegate supports XA resources.
*/
public boolean supportsXAResource();
/**
* Start new JTS transaction for the existing local transaction object.
*
* @param t the JavaEETransaction object.
* @param isAssociatedTimeout true if transaction has a timeout
* associated with it.
* @return the new JTS Transaction instance.
*/
public TransactionInternal startJTSTx(JavaEETransaction t, boolean isAssociatedTimeout)
throws RollbackException, IllegalStateException, SystemException;
/**
* Recover an array of XAResource objects for a failed XA transaction.
*
* @param resourceList the array of XAResource objects to recover.
* @throws UnsupportedOperationException if a delegate doesn't support
* this functionality.
*/
public void recover(XAResource[] resourceList);
/**
* Initialize recovery framework.
*
* Is a no-op if a delegate doesn't support this functionality.
*/
public void initRecovery(boolean force);
/**
* This is used by importing transactions via the Connector contract.
* Should not be called
*
* @return a XATerminator instance.
* @throws UnsupportedOperationException if a delegate doesn't support
* this functionality.
*/
public XATerminator getXATerminator();
/**
* Release a transaction. This call causes the calling thread to be
* dissociated from the specified transaction.
* This is used by importing transactions via the Connector contract.
*
* @param xid the Xid object representing a transaction.
* @throws UnsupportedOperationException if a delegate doesn't support
* this functionality.
*/
public void release(Xid xid) throws WorkException;
/**
* Recreate a transaction based on the Xid. This call causes the calling
* thread to be associated with the specified transaction.
* This is used by importing transactions via the Connector contract.
*
* @param xid the Xid object representing a transaction.
* @param timeout the timeout for the transaction to be recreated.
* @throws UnsupportedOperationException if a delegate doesn't support
* this functionality.
*/
public void recreate(Xid xid, long timeout) throws WorkException;
/**
* Returns an instance of an XAResourceWrapper if this delegate supports
* transaction recovery and there is a wrapper available for this class name.
* Returns null otherwise.
*
*
* @return an instance of an XAResourceWrapper or null if this
* delegate doesn't support transaction recovery or a wrapper is not available.
*/
public XAResourceWrapper getXAResourceWrapper(String clName);
/**
* Handle configuration change.
*
* @param name the name of the configuration property.
* @param value the ne value of the configuration.
*/
public void handlePropertyUpdate(String name, Object value);
/**
* Recover the populated array of XAResource if this delegate supports
* transaction recovery.
*
* @param delegated true if the recovery process is owned by this instance.
* @param logPath the name of the transaction logging directory
* @param xaresArray the array of XA Resources to be recovered.
* @return true if the recovery has been successful.
*/
public boolean recoverIncompleteTx(boolean delegated, String logPath,
XAResource[] xaresArray) throws Exception;
/**
* Return the delegate specific read lock that implements Lock interface.
*
*/
public Lock getReadLock();
/**
* Return true if the delegate had its write lock acquired.
*/
public boolean isWriteLocked();
/**
* Allows the delegate to acquire a write lock.
*/
public void acquireWriteLock();
/**
* Allows the delegate to release a write lock.
*/
public void releaseWriteLock();
/**
* Return the delegate specific implementation when a "null transaction context"
* was received from the client. See EJB2.0 spec section 19.6.2.1.
* A null tx context has no Coordinator objref. It indicates
* that the client had an active
* tx but the client container did not support tx interop.
*/
public boolean isNullTransaction();
/**
* Return TransactionAdminBean with delegate specific implementation details
* of an active Transaction.
*/
public TransactionAdminBean getTransactionAdminBean(Transaction t)
throws javax.transaction.SystemException;
/**
* Return location of transaction logs
*
* @return String location of transaction logs
*/
public String getTxLogLocation();
/**
* Allows an arbitrary XAResource to register for recovery
*
* @param xaResource XAResource to register for recovery
*/
public void registerRecoveryResourceHandler(XAResource xaResource);
}