[44] | 1 | package framsticks;
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| 2 |
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| 3 | import java.io.BufferedReader;
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| 4 | import java.io.BufferedWriter;
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| 5 | import java.io.File;
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| 6 | import java.io.FileReader;
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| 7 | import java.io.FileWriter;
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| 8 | import java.io.InputStreamReader;
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| 9 |
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| 10 | import cecj.interaction.InteractionResult;
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| 11 | import cecj.interaction.RealValuedResult;
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| 12 | import cecj.utils.Pair;
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| 13 |
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| 14 | import ec.EvolutionState;
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| 15 | import ec.util.Parameter;
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| 16 |
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| 17 | public class FramsticksUtils {
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| 18 |
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| 19 | private static final String NEW_CMD = "%s \"getsimplest 1\" -q";
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| 20 | private static final String EVAL_CMD = "%s \"ex %s\" \"eval %s %s\" -q";
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| 21 | private static final String MUTATE_CMD = "%s rnd \"mutate %s\" -q";
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| 22 | private static final String XOVER_CMD = "%s rnd \"crossover %s %s\" -q";
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| 23 |
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| 24 | private static final String GENOTYPE_DESC = "org:\ngenotype:~\n%s~\n";
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| 25 | private static final String TEMPORARY_FILE_NAME = "temp.gen";
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| 26 |
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| 27 | private static final String P_DIRECTORY_PATH = "directory-path";
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| 28 | private static final String P_SCRIPTS_OUTPUT = "scripts-output";
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| 29 | private static final String P_SETTINGS = "settings-file";
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| 30 | private static final String P_WORKING_DIRECTORY = "working-directory";
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| 31 | private static final String P_EXPERIMENT_DEFINITION = "expdef";
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| 32 | private static final String P_EXECUTABLE_COMMAND = "executable-cmd";
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| 33 |
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| 34 | private String directoryPath;
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| 35 | private String scriptsOutputPath;
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| 36 | private String settingsFile;
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| 37 | private String workingDirectory;
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| 38 | private String experimentDefinition;
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| 39 | private String executableCommand;
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| 40 |
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| 41 | private static FramsticksUtils instance;
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| 42 |
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| 43 | public synchronized static FramsticksUtils getInstance(final EvolutionState state) {
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| 44 | if (instance == null) {
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| 45 | instance = new FramsticksUtils();
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| 46 | instance.setup(state);
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| 47 | }
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| 48 | return instance;
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| 49 | }
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| 50 |
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| 51 | private void setup(final EvolutionState state) {
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| 52 | Parameter def = FramsticksDefaults.base();
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| 53 | directoryPath = state.parameters.getString(null, def.push(P_DIRECTORY_PATH));
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| 54 | if (directoryPath == null) {
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| 55 | state.output.fatal("No Framsticks directory specified", def.push(P_DIRECTORY_PATH));
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| 56 | }
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| 57 | scriptsOutputPath = state.parameters.getString(null, def.push(P_SCRIPTS_OUTPUT));
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| 58 | if (scriptsOutputPath == null) {
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| 59 | state.output.fatal("No scripts output file specified", def.push(P_SCRIPTS_OUTPUT));
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| 60 | }
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| 61 | settingsFile = state.parameters.getString(null, def.push(P_SETTINGS));
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| 62 | if (settingsFile == null) {
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| 63 | state.output.fatal("No settings file specified", def.push(P_SETTINGS));
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| 64 | }
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| 65 | workingDirectory = state.parameters.getString(null, def.push(P_WORKING_DIRECTORY));
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| 66 | if (workingDirectory == null) {
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| 67 | state.output.fatal("No working directory specified", def.push(P_WORKING_DIRECTORY));
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| 68 | }
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| 69 | experimentDefinition = state.parameters.getString(null, def.push(P_EXPERIMENT_DEFINITION));
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| 70 | if (experimentDefinition == null) {
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| 71 | state.output.fatal("No experiment definition specified", def
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| 72 | .push(P_EXPERIMENT_DEFINITION));
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| 73 | }
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| 74 | executableCommand = state.parameters.getString(null, def.push(P_EXECUTABLE_COMMAND));
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| 75 | if (executableCommand == null) {
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| 76 | state.output.fatal("No executable command specified", def.push(P_EXECUTABLE_COMMAND));
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| 77 | }
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| 78 | }
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| 79 |
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| 80 | private String executeCommand(String command) {
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| 81 | String line;
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| 82 | String result = "";
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| 83 | try {
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| 84 | File f = new File(directoryPath);
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| 85 | Process p = Runtime.getRuntime().exec(directoryPath + command, null, f);
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| 86 | BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
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| 87 | while ((line = input.readLine()) != null) {
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| 88 | result += (line + '\n');
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| 89 | }
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| 90 | input.close();
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| 91 | } catch (Exception ex) {
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| 92 | ex.printStackTrace();
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| 93 | }
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| 94 |
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| 95 | return result;
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| 96 | }
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| 97 |
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| 98 | private void saveToFile(String filePath, String contents) {
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| 99 | try {
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| 100 | BufferedWriter output = new BufferedWriter(new FileWriter(filePath));
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| 101 | output.write(contents);
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| 102 | output.close();
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| 103 | } catch (Exception ex) {
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| 104 | ex.printStackTrace();
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| 105 | }
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| 106 | }
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| 107 |
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| 108 | private String readFromFile(String filePath) {
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| 109 | String line;
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| 110 | String result = "";
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| 111 | try {
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| 112 | BufferedReader input = new BufferedReader(new FileReader(filePath));
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| 113 | while ((line = input.readLine()) != null) {
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| 114 | result += (line + '\n');
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| 115 | }
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| 116 | input.close();
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| 117 | } catch (Exception ex) {
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| 118 | ex.printStackTrace();
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| 119 | }
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| 120 |
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| 121 | return result;
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| 122 | }
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| 123 |
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| 124 | public float evaluateGenotype(String genotype, String fileName) {
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| 125 | String fileContents = String.format(GENOTYPE_DESC, genotype);
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| 126 | String filePath = workingDirectory + fileName;
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| 127 |
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| 128 | saveToFile(filePath, fileContents);
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| 129 | executeCommand(String.format(EVAL_CMD, executableCommand, experimentDefinition,
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| 130 | settingsFile, filePath));
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| 131 | String evaluation = readFromFile(scriptsOutputPath);
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| 132 |
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| 133 | return Float.parseFloat(evaluation.split("\t")[1]);
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| 134 | }
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| 135 |
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| 136 | public Pair<? extends InteractionResult> coevolutionaryEvaluate(String candidate, String test,
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| 137 | String fileName) {
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| 138 | float candidateResult = evaluateGenotype(candidate, fileName);
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| 139 | float testResult = evaluateGenotype(test, fileName);
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| 140 |
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| 141 | return new Pair<RealValuedResult>(new RealValuedResult(candidateResult),
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| 142 | new RealValuedResult(testResult));
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| 143 | }
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| 144 |
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| 145 | public String mutateGenotype(String genotype) {
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| 146 | String filePath = workingDirectory + TEMPORARY_FILE_NAME;
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| 147 | saveToFile(filePath, genotype);
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| 148 | return executeCommand(String.format(MUTATE_CMD, executableCommand, filePath));
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| 149 | }
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| 150 |
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| 151 | public String crossoverGenotypes(String genotype1, String genotype2) {
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| 152 | String filePath1 = workingDirectory + TEMPORARY_FILE_NAME;
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| 153 | String filePath2 = workingDirectory + "_" + TEMPORARY_FILE_NAME;
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| 154 | saveToFile(filePath1, genotype1);
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| 155 | saveToFile(filePath2, genotype2);
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| 156 | return executeCommand(String.format(XOVER_CMD, executableCommand, filePath1, filePath2));
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| 157 | }
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| 158 |
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| 159 | public String getNewGenotype() {
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| 160 | return executeCommand(String.format(NEW_CMD, executableCommand));
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| 161 | }
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| 162 |
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| 163 | /*
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| 164 | * Sample usage :
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| 165 | */
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| 166 | /*
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| 167 | * public static void main(String[] args) { FramsticksUtils utils =
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| 168 | * FramsticksUtils.getInstance(); System.out.println(utils.evaluateGenotype("X", "halo1.gen"));
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| 169 | * System.out.println(utils.mutateGenotype("X"));
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| 170 | * System.out.println(utils.crossoverGenotypes("AX", "MX"));
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| 171 | * System.out.println(utils.getNewGenotype()); }
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| 172 | */
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| 173 | }
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