pip-services3-components-nodex/obj/src/trace/NullTracer.js

Component definitions for Pip.Services in Node.js / ES2017

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.NullTracer = void 0;
/** @module trace */
const TraceTiming_1 = require("./TraceTiming");
/**
 * Dummy implementation of tracer that doesn't do anything.
 *
 * It can be used in testing or in situations when tracing is required
 * but shall be disabled.
 *
 * @see [[ITracer]]
 */
class NullTracer {
    /**
     * Creates a new instance of the tracer.
     */
    NullTracer() { }
    /**
     * Records an operation trace with its name and duration
     *
     * @param correlationId     (optional) transaction id to trace execution through call chain.
     * @param component         a name of called component
     * @param operation         a name of the executed operation.
     * @param duration          execution duration in milliseconds.
     */
    trace(correlationId, component, operation, duration) {
        // Do nothing...
    }
    /**
     * Records an operation failure with its name, duration and error
     *
     * @param correlationId     (optional) transaction id to trace execution through call chain.
     * @param component         a name of called component
     * @param operation         a name of the executed operation.
     * @param error             an error object associated with this trace.
     * @param duration          execution duration in milliseconds.
     */
    failure(correlationId, component, operation, error, duration) {
        // Do nothing...
    }
    /**
     * Begings recording an operation trace
     *
     * @param correlationId     (optional) transaction id to trace execution through call chain.
     * @param component         a name of called component
     * @param operation         a name of the executed operation.
     * @returns                 a trace timing object.
     */
    beginTrace(correlationId, component, operation) {
        return new TraceTiming_1.TraceTiming(correlationId, component, operation, this);
    }
}
exports.NullTracer = NullTracer;
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