org.apache.taglibs.standard.tag.common.sql

Class TransactionTagSupport

java.lang.Object

jakarta.servlet.jsp.tagext.TagSupport

org.apache.taglibs.standard.tag.common.sql.TransactionTagSupport

All Implemented Interfaces:

jakarta.servlet.jsp.tagext.IterationTag, jakarta.servlet.jsp.tagext.JspTag, jakarta.servlet.jsp.tagext.Tag, jakarta.servlet.jsp.tagext.TryCatchFinally, java.io.Serializable

Direct Known Subclasses:

TransactionTag, TransactionTag

public abstract class TransactionTagSupport
extends jakarta.servlet.jsp.tagext.TagSupport
implements jakarta.servlet.jsp.tagext.TryCatchFinally

Tag handler for <Transaction> in JSTL.

Author:

Hans Bergsten

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	dataSourceSpecified
protected java.lang.Object	rawDataSource

Fields inherited from class jakarta.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface jakarta.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface jakarta.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

Constructors

Constructor and Description
TransactionTagSupport()

Method Summary

Modifier and Type	Method and Description
void	doCatch(java.lang.Throwable t) Rollbacks the transaction and rethrows the Throwable.
int	doEndTag() Commits the transaction.
void	doFinally() Restores the Connection to its initial state and closes it.
int	doStartTag() Prepares for execution by setting the initial state, such as getting the Connection and preparing it for the transaction.
java.sql.Connection	getSharedConnection() Called by nested parameter elements to get a reference to the Connection.
void	release()
void	setIsolation(java.lang.String iso) Setter method for the transaction isolation level.

Methods inherited from class jakarta.servlet.jsp.tagext.TagSupport

doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

rawDataSource

protected java.lang.Object rawDataSource

dataSourceSpecified

protected boolean dataSourceSpecified

Constructor Detail

TransactionTagSupport

public TransactionTagSupport()

Method Detail

doStartTag

public int doStartTag()
               throws jakarta.servlet.jsp.JspException

Prepares for execution by setting the initial state, such as getting the Connection and preparing it for the transaction.

Specified by:

doStartTag in interface jakarta.servlet.jsp.tagext.Tag

Overrides:

doStartTag in class jakarta.servlet.jsp.tagext.TagSupport

Throws:

jakarta.servlet.jsp.JspException

doEndTag

public int doEndTag()
             throws jakarta.servlet.jsp.JspException

Commits the transaction.

Specified by:

doEndTag in interface jakarta.servlet.jsp.tagext.Tag

Overrides:

doEndTag in class jakarta.servlet.jsp.tagext.TagSupport

Throws:

jakarta.servlet.jsp.JspException

doCatch

public void doCatch(java.lang.Throwable t)
             throws java.lang.Throwable

Rollbacks the transaction and rethrows the Throwable.

Specified by:

doCatch in interface jakarta.servlet.jsp.tagext.TryCatchFinally

Throws:

java.lang.Throwable

doFinally

public void doFinally()

Restores the Connection to its initial state and closes it.

Specified by:

doFinally in interface jakarta.servlet.jsp.tagext.TryCatchFinally

release

public void release()

Specified by:

release in interface jakarta.servlet.jsp.tagext.Tag

Overrides:

release in class jakarta.servlet.jsp.tagext.TagSupport

setIsolation

public void setIsolation(java.lang.String iso)
                  throws jakarta.servlet.jsp.JspTagException

Setter method for the transaction isolation level.

Throws:

jakarta.servlet.jsp.JspTagException

getSharedConnection

public java.sql.Connection getSharedConnection()

Called by nested parameter elements to get a reference to the Connection.