Polishing

This commit is contained in:
Juergen Hoeller
2018-08-10 19:23:44 +02:00
parent f931a3fb59
commit 2b2a5a414b
5 changed files with 67 additions and 66 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2018 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.
@@ -25,7 +25,7 @@ import java.io.Flushable;
* and to programmatically request a rollback (instead of throwing
* an exception that causes an implicit rollback).
*
* <p>Derives from the SavepointManager interface to provide access
* <p>Includes the {@link SavepointManager} interface to provide access
* to savepoint management facilities. Note that savepoint management
* is only available if supported by the underlying transaction manager.
*
@@ -39,9 +39,9 @@ import java.io.Flushable;
public interface TransactionStatus extends SavepointManager, Flushable {
/**
* Return whether the present transaction is new (else participating
* in an existing transaction, or potentially not running in an
* actual transaction in the first place).
* Return whether the present transaction is new; otherwise participating
* in an existing transaction, or potentially not running in an actual
* transaction in the first place.
*/
boolean isNewTransaction();
@@ -50,9 +50,9 @@ public interface TransactionStatus extends SavepointManager, Flushable {
* that is, has been created as nested transaction based on a savepoint.
* <p>This method is mainly here for diagnostic purposes, alongside
* {@link #isNewTransaction()}. For programmatic handling of custom
* savepoints, use SavepointManager's operations.
* savepoints, use the operations provided by {@link SavepointManager}.
* @see #isNewTransaction()
* @see #createSavepoint
* @see #createSavepoint()
* @see #rollbackToSavepoint(Object)
* @see #releaseSavepoint(Object)
*/

View File

@@ -66,14 +66,14 @@ public class DefaultTransactionStatus extends AbstractTransactionStatus {
/**
* Create a new DefaultTransactionStatus instance.
* @param transaction underlying transaction object that can hold
* state for the internal transaction implementation
* @param newTransaction if the transaction is new,
* else participating in an existing transaction
* @param newSynchronization if a new transaction synchronization
* has been opened for the given transaction
* @param readOnly whether the transaction is read-only
* Create a new {@code DefaultTransactionStatus} instance.
* @param transaction underlying transaction object that can hold state
* for the internal transaction implementation
* @param newTransaction if the transaction is new, otherwise participating
* in an existing transaction
* @param newSynchronization if a new transaction synchronization has been
* opened for the given transaction
* @param readOnly whether the transaction is marked as read-only
* @param debug should debug logging be enabled for the handling of this transaction?
* Caching it in here can prevent repeated calls to ask the logging system whether
* debug logging should be enabled.
@@ -130,9 +130,9 @@ public class DefaultTransactionStatus extends AbstractTransactionStatus {
}
/**
* Return whether the progress of this transaction is debugged. This is used
* by AbstractPlatformTransactionManager as an optimization, to prevent repeated
* calls to {@code logger.isDebug()}. Not really intended for client code.
* Return whether the progress of this transaction is debugged. This is used by
* {@link AbstractPlatformTransactionManager} as an optimization, to prevent repeated
* calls to {@code logger.isDebugEnabled()}. Not really intended for client code.
*/
public boolean isDebug() {
return this.debug;
@@ -153,11 +153,11 @@ public class DefaultTransactionStatus extends AbstractTransactionStatus {
//---------------------------------------------------------------------
/**
* Determine the rollback-only flag via checking both the transaction object,
* provided that the latter implements the {@link SmartTransactionObject} interface.
* <p>Will return "true" if the transaction itself has been marked rollback-only
* by the transaction coordinator, for example in case of a timeout.
* @see SmartTransactionObject#isRollbackOnly
* Determine the rollback-only flag via checking the transaction object, provided
* that the latter implements the {@link SmartTransactionObject} interface.
* <p>Will return {@code true} if the global transaction itself has been marked
* rollback-only by the transaction coordinator, for example in case of a timeout.
* @see SmartTransactionObject#isRollbackOnly()
*/
@Override
public boolean isGlobalRollbackOnly() {
@@ -166,8 +166,9 @@ public class DefaultTransactionStatus extends AbstractTransactionStatus {
}
/**
* Delegate the flushing to the transaction object,
* provided that the latter implements the {@link SmartTransactionObject} interface.
* Delegate the flushing to the transaction object, provided that the latter
* implements the {@link SmartTransactionObject} interface.
* @see SmartTransactionObject#flush()
*/
@Override
public void flush() {
@@ -177,24 +178,26 @@ public class DefaultTransactionStatus extends AbstractTransactionStatus {
}
/**
* This implementation exposes the SavepointManager interface
* This implementation exposes the {@link SavepointManager} interface
* of the underlying transaction object, if any.
* @throws NestedTransactionNotSupportedException if savepoints are not supported
* @see #isTransactionSavepointManager()
*/
@Override
protected SavepointManager getSavepointManager() {
Object transaction = this.transaction;
if (!(transaction instanceof SavepointManager)) {
throw new NestedTransactionNotSupportedException(
"Transaction object [" + this.transaction + "] does not support savepoints");
"Transaction object [" + this.transaction + "] does not support savepoints");
}
return (SavepointManager) transaction;
}
/**
* Return whether the underlying transaction implements the
* SavepointManager interface.
* @see #getTransaction
* @see org.springframework.transaction.SavepointManager
* Return whether the underlying transaction implements the {@link SavepointManager}
* interface and therefore supports savepoints.
* @see #getTransaction()
* @see #getSavepointManager()
*/
public boolean isTransactionSavepointManager() {
return (this.transaction instanceof SavepointManager);

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2018 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.
@@ -18,10 +18,8 @@ package org.springframework.transaction.support;
/**
* A simple {@link org.springframework.transaction.TransactionStatus}
* implementation.
*
* <p>Derives from {@link AbstractTransactionStatus} and adds an explicit
* {@link #isNewTransaction() "newTransaction"} flag.
* implementation. Derives from {@link AbstractTransactionStatus} and
* adds an explicit {@link #isNewTransaction() "newTransaction"} flag.
*
* <p>This class is not used by any of Spring's pre-built
* {@link org.springframework.transaction.PlatformTransactionManager}
@@ -32,8 +30,7 @@ package org.springframework.transaction.support;
*
* @author Juergen Hoeller
* @since 1.2.3
* @see #SimpleTransactionStatus(boolean)
* @see TransactionCallback
* @see TransactionCallback#doInTransaction
*/
public class SimpleTransactionStatus extends AbstractTransactionStatus {
@@ -41,7 +38,7 @@ public class SimpleTransactionStatus extends AbstractTransactionStatus {
/**
* Create a new instance of the {@link SimpleTransactionStatus} class,
* Create a new {@code SimpleTransactionStatus} instance,
* indicating a new transaction.
*/
public SimpleTransactionStatus() {
@@ -49,7 +46,7 @@ public class SimpleTransactionStatus extends AbstractTransactionStatus {
}
/**
* Create a new instance of the {@link SimpleTransactionStatus} class.
* Create a new {@code SimpleTransactionStatus} instance.
* @param newTransaction whether to indicate a new transaction
*/
public SimpleTransactionStatus(boolean newTransaction) {