Package freemarker.core

Interface TemplateProcessingTracer

public interface TemplateProcessingTracer

Hooks to monitor as templates run. This may be used to implement profiling, coverage analysis, execution tracing, and other on-the-fly debugging mechanisms.

Use Environment.setTemplateProcessingTracer(TemplateProcessingTracer) to set a tracer for the current environment.

Since:

2.3.33

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	TemplateProcessingTracer.TracedElement	Information about the template element that we enter of exit; do NOT implement this (outside FreeMarker), as new methods can be added to this anytime!

Method Summary

Modifier and Type	Method	Description
void	enterElement(Environment env, TemplateProcessingTracer.TracedElement tracedElement)	Invoked by Environment whenever it starts processing a new template element.
void	exitElement(Environment env, TemplateProcessingTracer.TracedElement tracedElement)	Invoked by Environment whenever it completes processing a new template element.

Method Details

enterElement

void enterElement(Environment env,
 TemplateProcessingTracer.TracedElement tracedElement)

Invoked by Environment whenever it starts processing a new template element. A template element is a directive call, an interpolation (like ${...}), a comment block, or static text. Expressions are not template elements.

exitElement

void exitElement(Environment env,
 TemplateProcessingTracer.TracedElement tracedElement)

Invoked by Environment whenever it completes processing a new template element.

See Also:

enterElement(Environment, TracedElement)