net.sf.saxon.trace.TimingCodeInjector Maven / Gradle / Ivy

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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2018-2023 Saxonica Limited
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

package net.sf.saxon.trace;

import net.sf.saxon.expr.instruct.ComponentTracer;

/**
 * A code injector that wraps the body of a template or function in a TraceExpression, which causes
 * the TimingTraceListener to be notified at the start and end of the function/template evaluation
 */
public class TimingCodeInjector extends TraceCodeInjector {

    @Override
    public void process(TraceableComponent component) {
        if (!(component.getBody() instanceof ComponentTracer)) {
            ComponentTracer trace = new ComponentTracer(component);
            component.setBody(trace);
        }
    }

}