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java.lang.Objectjavax.servlet.jsp.tagext.TagSupport
com.opensymphony.oscache.web.tag.UseCachedTag
public class UseCachedTag
UseCachedTag is a tag that tells a <cache> tag to reuse the cached body.
Usage Example:
<%@ taglib uri="oscache" prefix="cache" %>
<cache:cache key="mycache" scope="application">
if (reuse cached)
<cache:usecached />
else
some other logic
</cache:cache>
Note this is very useful with try / catch blocks
so that you can still produce old cached data if an
exception occurs, eg your database goes down.
Field Summary |
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Fields inherited from class javax.servlet.jsp.tagext.TagSupport |
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id, pageContext |
Fields inherited from interface javax.servlet.jsp.tagext.IterationTag |
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EVAL_BODY_AGAIN |
Fields inherited from interface javax.servlet.jsp.tagext.Tag |
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EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE |
Constructor Summary | |
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UseCachedTag()
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Method Summary | |
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int |
doStartTag()
The start tag. |
void |
setUse(boolean value)
Set the decision to use the body content of the ancestor <cache> or not. |
Methods inherited from class javax.servlet.jsp.tagext.TagSupport |
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doAfterBody, doEndTag, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setId, setPageContext, setParent, setValue |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public UseCachedTag()
Method Detail |
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public void setUse(boolean value)
value
- Whether or not to use the body content. Default is true.public int doStartTag() throws javax.servlet.jsp.JspTagException
doStartTag
in interface javax.servlet.jsp.tagext.Tag
doStartTag
in class javax.servlet.jsp.tagext.TagSupport
javax.servlet.jsp.JspTagException
- The standard tag exception thrown.
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