VisualSapfor/src/TestingSystem/Common/TestingPlanner.java

package TestingSystem.Common;
import Common.Utils.Utils;
import Repository.EmailMessage;
import Repository.Server.ServerCode;
import Repository.Server.ServerExchangeUnit_2021;
import TestingSystem.Common.TestingPackage.TestingPackage;
import TestingSystem.DVM.TasksPackage.TasksPackageState;
import Visual_DVM_2021.Passes.PassException;
import Visual_DVM_2021.Passes.Server.TestingSystemPass;

import java.io.FileWriter;
import java.io.Serializable;
import java.util.Date;
public abstract class TestingPlanner<P extends TestingPackage> {
    protected P testingPackage;
    protected int getSleepMillis() {
        return 2000;
    }
    //---
    protected Object ServerCommand(ServerCode code_in, String arg, Serializable object_in) throws Exception {
        TestingSystemPass<Object> pass = new TestingSystemPass<Object>() {
            @Override
            public String getDescription() {
                return "";
            }
            @Override
            protected void ServerAction() throws Exception {
                Command(new ServerExchangeUnit_2021(code_in, arg, object_in));
                target = response.object;
            }
        };
        if (!pass.Do()) throw new PassException("Ошибка взаимодействия с сервером " + code_in);
        return pass.target;
    }
    protected Object ServerCommand(ServerCode code_in, Serializable object_in) throws Exception {
        return ServerCommand(code_in, "", object_in);
    }
    protected Object ServerCommand(ServerCode code_in) throws Exception {
        return ServerCommand(code_in, "", null);
    }
    //---
    protected boolean isPrintOn() {
        return true;
    }
    protected void Print(String message) {
        try {
            if (isPrintOn()) {
                FileWriter testLog = new FileWriter(getClass().getSimpleName() + "_Log.txt", true);
                String dmessage = Utils.Brackets(new Date()) + " " + message;
                System.out.println(dmessage);
                testLog.write(dmessage + "\n");
                testLog.close();
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    //---
    void UpdatePackageState(TasksPackageState state_in) throws Exception {
        testingPackage.state = state_in;
        testingPackage.ChangeDate = new Date().getTime();
        ServerCommand(ServerCode.EditObject, testingPackage);
    }
    void UpdatePackage() throws Exception {
        testingPackage.ChangeDate = new Date().getTime();
        ServerCommand(ServerCode.EditObject, testingPackage);
    }
    void EmailPackage() throws Exception {
        EmailMessage message = new EmailMessage();
        message.subject = "Состояние пакета задач " + Utils.Brackets(testingPackage) + " изменилось на " + Utils.Brackets(testingPackage.state.getDescription());
        message.text = testingPackage.description;
        message.targets.add(testingPackage.sender_address);
        ServerCommand(ServerCode.Email, message);
    }
    //---
    protected abstract ServerCode getActivePackageCode();
    protected abstract ServerCode getCheckIfNeedsKillCode();
    protected abstract TasksPackageState getStateAfterStart();
    protected void InitSessionCredentials() {
    }
    protected abstract void TestsSynchronize() throws Exception;
    protected abstract void PackageWorkspaceCreation() throws Exception;
    protected abstract void AnalyseResults() throws Exception;
    protected abstract void PackageStart() throws Exception;
    protected abstract boolean CheckNextState() throws Exception;
    protected abstract void DownloadResults() throws Exception;
    protected abstract void Kill() throws Exception;
    protected boolean Connect() {
        return true;
    }
    protected void Disconnect() {
    }
    //---
    //жизненный цикл планировщика
    protected void Session() throws Exception {
        switch (testingPackage.state) {
            case TestsSynchronize:
                TestsSynchronize();
                UpdatePackageState(TasksPackageState.PackageWorkspaceCreation);
                break;
            case PackageWorkspaceCreation:
                PackageWorkspaceCreation();
                UpdatePackageState(TasksPackageState.PackageStart);
                break;
            case PackageStart:
                PackageStart();
                EmailPackage();
                UpdatePackageState(getStateAfterStart());
                break;
            case CompilationWorkspacesCreation:
            case CompilationPreparation:
            case CompilationExecution:
            case RunningWorkspacesCreation:
            case RunningPreparation:
            case RunningExecution:
                if (CheckNextState()) UpdatePackage();
                break;
            case RunningEnd:
                DownloadResults();
                UpdatePackageState(TasksPackageState.Analysis);
                break;
        }
    }
    // ---
    public void Perform() {
        while (true) {
            try {
                testingPackage = (P) ServerCommand(getActivePackageCode());
                if (testingPackage != null) {
                    Print(testingPackage.id + ":" + testingPackage.state.getDescription());
                    //--
                    InitSessionCredentials();
                    if (testingPackage.state.equals(TasksPackageState.Analysis)) {
                        AnalyseResults();
                        UpdatePackageState(TasksPackageState.Done);
                        EmailPackage();
                    } else {
                        try {
                            if (Connect()) {
                                if ((boolean) ServerCommand(getCheckIfNeedsKillCode(), testingPackage.id)) {
                                    Print("package " + testingPackage.id + " NEEDS TO KILL");
                                    Kill();
                                    UpdatePackageState(TasksPackageState.Aborted);
                                    EmailPackage();
                                } else
                                    Session();
                            }
                        } catch (Exception ex) {
                            Print("Ошибка сеанса.");
                            Print(ex.getMessage());
                        } finally {
                            Disconnect();
                        }
                    }
                    //--
                    testingPackage.destructor();
                    testingPackage = null;
                    System.gc();
                    //--
                }
            } catch (Exception ex) {
                ex.printStackTrace();
            } finally {
                Utils.sleep(getSleepMillis());
            }
        }
    }
}