Author: mmcallis
Date: 2008-05-27 19:13:55 -0400 (Tue, 27 May 2008)
New Revision: 10828
Modified:
docs/branches/JBoss_Portal_Branch_2_6/referenceGuide/en/modules/errorhandling.xml
Log:
8.2. Control Policies
- adding small 'diagram' for pipeline policies
Modified:
docs/branches/JBoss_Portal_Branch_2_6/referenceGuide/en/modules/errorhandling.xml
===================================================================
---
docs/branches/JBoss_Portal_Branch_2_6/referenceGuide/en/modules/errorhandling.xml 2008-05-27
17:05:45 UTC (rev 10827)
+++
docs/branches/JBoss_Portal_Branch_2_6/referenceGuide/en/modules/errorhandling.xml 2008-05-27
23:13:55 UTC (rev 10828)
@@ -45,11 +45,15 @@
</sect1>
<sect1>
<title>Control Policies</title>
- <para>If an error occurs, the request control-flow changes according to the
configuration. This configuration is known as the <emphasis>control
policy</emphasis>.</para>
+ <para>If an error occurs, the request control-flow changes according to the
configuration. This configuration is known as the <emphasis>control
policy</emphasis>, which is a pipeline of policies, and looks as follows:
+ </para>
+ <para>
+ <emphasis>Default Control Policy</emphasis> ->
<emphasis>Portal Control Policy</emphasis> -> <emphasis>Page Control
Policy</emphasis>.
+ </para>
<sect2>
<title>Policy Delegation and Cascading</title>
<para>
- When the control policy is invoked, the response sent by the control flow can be
changed. If the control policy ignores the error, the error is handled by the next policy.
If the control policy provides a new response, the next policy is not invoked, since the
new response will not be an error.
+ When a control policy is invoked, the response sent by the control flow can be
changed. If the control policy ignores the error, the error is handled by the next policy.
If the control policy provides a new response, the next policy is not invoked, since the
new response will not be an error.
</para>
<para>
If a portlet in a page produces an exception, the following reactions are possible:
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