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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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package org.openjdk.jmh.runner.format;

import org.openjdk.jmh.infra.BenchmarkParams;
import org.openjdk.jmh.infra.IterationParams;
import org.openjdk.jmh.results.BenchmarkResult;
import org.openjdk.jmh.results.IterationResult;
import org.openjdk.jmh.results.RunResult;

import java.io.IOException;
import java.util.Collection;

Internal interface for OutputFormat.
/**
 * Internal interface for OutputFormat.
 */
public interface OutputFormat {

    
Format for iteration start.
Params:
benchParams – benchmark parameters
params – iteration params in use
iteration – iteration-number/**
     * Format for iteration start.
     *
     * @param benchParams benchmark parameters
     * @param params iteration params in use
     * @param iteration iteration-number
     */
    void iteration(BenchmarkParams benchParams, IterationParams params, int iteration);

    
Format for end-of-iteration.
Params:
benchParams –      name of benchmark
params –    iteration params in use
iteration – iteration-number
data –    result of iteration/**
     * Format for end-of-iteration.
     *
     * @param benchParams      name of benchmark
     * @param params    iteration params in use
     * @param iteration iteration-number
     * @param data    result of iteration
     */
    void iterationResult(BenchmarkParams benchParams, IterationParams params, int iteration, IterationResult data);

    
Format for start-of-benchmark output.
Params:
benchParams – benchmark params/**
     * Format for start-of-benchmark output.
     * @param benchParams benchmark params
     */
    void startBenchmark(BenchmarkParams benchParams);

    
Format for end-of-benchmark.
Params:
result – statistics of the run/**
     * Format for end-of-benchmark.
     *
     * @param result statistics of the run
     */
    void endBenchmark(BenchmarkResult result);

    
Format for start-of-benchmark output.
/**
     * Format for start-of-benchmark output.
     */
    void startRun();

    
Format for end-of-benchmark.
Params:
result – benchmark results/**
     * Format for end-of-benchmark.
     * @param result benchmark results
     */
    void endRun(Collection<RunResult> result);

    /* ------------- RAW OUTPUT METHODS ------------------- */

    void print(String s);

    void println(String s);

    void flush();

    void close();

    void verbosePrintln(String s);

    void write(int b);

    void write(byte[] b) throws IOException;

}