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RuleBasedTransactionAttribute (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.transaction.interceptor
Class RuleBasedTransactionAttribute

java.lang.Object
  org.springframework.transaction.support.DefaultTransactionDefinition
      org.springframework.transaction.interceptor.DefaultTransactionAttribute
          org.springframework.transaction.interceptor.RuleBasedTransactionAttribute

All Implemented Interfaces:

Serializable, TransactionAttribute, TransactionDefinition

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public class RuleBasedTransactionAttribute
extends DefaultTransactionAttribute
implements Serializable

TransactionAttribute implementation that works out whether a given exception should cause transaction rollback by applying a number of rollback rules, both positive and negative. If no rules are relevant to the exception, it behaves like DefaultTransactionAttribute (rolling back on runtime exceptions).

TransactionAttributeEditor creates objects of this class.

Since:

09.04.2003

Author:

Rod Johnson, Juergen Hoeller

See Also:

TransactionAttributeEditor, Serialized Form

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Field Summary
static String	PREFIX_COMMIT_RULE           Prefix for commit-on-exception rules in description strings
static String	PREFIX_ROLLBACK_RULE           Prefix for rollback-on-exception rules in description strings

 

Fields inherited from class org.springframework.transaction.support.DefaultTransactionDefinition
PREFIX_ISOLATION, PREFIX_PROPAGATION, PREFIX_TIMEOUT, READ_ONLY_MARKER

 

Fields inherited from interface org.springframework.transaction.TransactionDefinition
ISOLATION_DEFAULT, ISOLATION_READ_COMMITTED, ISOLATION_READ_UNCOMMITTED, ISOLATION_REPEATABLE_READ, ISOLATION_SERIALIZABLE, PROPAGATION_MANDATORY, PROPAGATION_NESTED, PROPAGATION_NEVER, PROPAGATION_NOT_SUPPORTED, PROPAGATION_REQUIRED, PROPAGATION_REQUIRES_NEW, PROPAGATION_SUPPORTS, TIMEOUT_DEFAULT

 

Constructor Summary
RuleBasedTransactionAttribute()           Create a new RuleBasedTransactionAttribute, with default settings.
RuleBasedTransactionAttribute(int propagationBehavior, List rollbackRules)           Create a new DefaultTransactionAttribute with the the given propagation behavior.
RuleBasedTransactionAttribute(RuleBasedTransactionAttribute other)           Copy constructor.

 

Method Summary
List	getRollbackRules()           Return the list of RollbackRuleAttribute objects (never null).
boolean	rollbackOn(Throwable ex)           Winning rule is the shallowest rule (that is, the closest in the inheritance hierarchy to the exception).
void	setRollbackRules(List rollbackRules)           Set the list of RollbackRuleAttribute objects (and/or NoRollbackRuleAttribute objects) to apply.
String	toString()           Return an identifying description for this transaction definition.

 

Methods inherited from class org.springframework.transaction.support.DefaultTransactionDefinition
equals, getDefinitionDescription, getIsolationLevel, getName, getPropagationBehavior, getTimeout, hashCode, isReadOnly, setIsolationLevel, setIsolationLevelName, setName, setPropagationBehavior, setPropagationBehaviorName, setReadOnly, setTimeout

 

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Methods inherited from interface org.springframework.transaction.TransactionDefinition
getIsolationLevel, getName, getPropagationBehavior, getTimeout, isReadOnly

 

Field Detail

PREFIX_ROLLBACK_RULE

public static final String PREFIX_ROLLBACK_RULE

Prefix for rollback-on-exception rules in description strings

See Also:

Constant Field Values

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PREFIX_COMMIT_RULE

public static final String PREFIX_COMMIT_RULE

Prefix for commit-on-exception rules in description strings

See Also:

Constant Field Values

Constructor Detail

RuleBasedTransactionAttribute

public RuleBasedTransactionAttribute()

Create a new RuleBasedTransactionAttribute, with default settings. Can be modified through bean property setters.

See Also:

DefaultTransactionDefinition.setPropagationBehavior(int), DefaultTransactionDefinition.setIsolationLevel(int), DefaultTransactionDefinition.setTimeout(int), DefaultTransactionDefinition.setReadOnly(boolean), DefaultTransactionDefinition.setName(java.lang.String), setRollbackRules(java.util.List)

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RuleBasedTransactionAttribute

public RuleBasedTransactionAttribute(RuleBasedTransactionAttribute other)

Copy constructor. Definition can be modified through bean property setters.

See Also:

DefaultTransactionDefinition.setPropagationBehavior(int), DefaultTransactionDefinition.setIsolationLevel(int), DefaultTransactionDefinition.setTimeout(int), DefaultTransactionDefinition.setReadOnly(boolean), DefaultTransactionDefinition.setName(java.lang.String), setRollbackRules(java.util.List)

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RuleBasedTransactionAttribute

public RuleBasedTransactionAttribute(int propagationBehavior,
                                     List rollbackRules)

Create a new DefaultTransactionAttribute with the the given propagation behavior. Can be modified through bean property setters.

Parameters:

propagationBehavior - one of the propagation constants in the TransactionDefinition interface

rollbackRules - the list of RollbackRuleAttributes to apply

See Also:

DefaultTransactionDefinition.setIsolationLevel(int), DefaultTransactionDefinition.setTimeout(int), DefaultTransactionDefinition.setReadOnly(boolean)

Method Detail

setRollbackRules

public void setRollbackRules(List rollbackRules)

Set the list of RollbackRuleAttribute objects (and/or NoRollbackRuleAttribute objects) to apply.

See Also:

RollbackRuleAttribute, NoRollbackRuleAttribute

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getRollbackRules

public List getRollbackRules()

Return the list of RollbackRuleAttribute objects (never null).

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rollbackOn

public boolean rollbackOn(Throwable ex)

Winning rule is the shallowest rule (that is, the closest in the inheritance hierarchy to the exception). If no rule applies (-1), return false.

Specified by:

rollbackOn in interface TransactionAttribute

Overrides:

rollbackOn in class DefaultTransactionAttribute

Parameters:

ex - the exception to evaluate

Returns:

whether to perform a rollback or not

See Also:

TransactionAttribute.rollbackOn(java.lang.Throwable)

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toString

public String toString()

Description copied from class: DefaultTransactionDefinition

Return an identifying description for this transaction definition.

The format matches the one used by TransactionAttributeEditor, to be able to feed toString results into bean properties of type TransactionAttribute.

Has to be overridden in subclasses for correct equals and hashCode behavior. Alternatively, DefaultTransactionDefinition.equals(java.lang.Object) and DefaultTransactionDefinition.hashCode() can be overridden themselves.

Overrides:

toString in class DefaultTransactionDefinition

See Also:

DefaultTransactionDefinition.getDefinitionDescription(), TransactionAttributeEditor

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