Java 类com.intellij.psi.impl.migration.PsiMigrationManager 实例源码

protected void performRefactoring(@NotNull UsageInfo[] usages) {
  final PsiMigration psiMigration = PsiMigrationManager.getInstance(myProject).startMigration();
  LocalHistoryAction a = LocalHistory.getInstance().startAction(getCommandName());

  try {
    for (int i = 0; i < myMigrationMap.getEntryCount(); i++) {
      MigrationMapEntry entry = myMigrationMap.getEntryAt(i);
      if (entry.getType() == MigrationMapEntry.PACKAGE) {
        MigrationUtil.doPackageMigration(myProject, psiMigration, entry.getNewName(), usages);
      }
      if (entry.getType() == MigrationMapEntry.CLASS) {
        MigrationUtil.doClassMigration(myProject, psiMigration, entry.getNewName(), usages);
      }
    }

    for(RefactoringHelper helper: Extensions.getExtensions(RefactoringHelper.EP_NAME)) {
      Object preparedData = helper.prepareOperation(usages);
      //noinspection unchecked
      helper.performOperation(myProject, preparedData);
    }
  }
  finally {
    a.finish();
    psiMigration.finish();
  }
}

protected void performRefactoring(UsageInfo[] usages) {
  final PsiMigration psiMigration = PsiMigrationManager.getInstance(myProject).startMigration();
  LocalHistoryAction a = LocalHistory.getInstance().startAction(getCommandName());

  try {
    for (int i = 0; i < myMigrationMap.getEntryCount(); i++) {
      MigrationMapEntry entry = myMigrationMap.getEntryAt(i);
      if (entry.getType() == MigrationMapEntry.PACKAGE) {
        MigrationUtil.doPackageMigration(myProject, psiMigration, entry.getNewName(), usages);
      }
      if (entry.getType() == MigrationMapEntry.CLASS) {
        MigrationUtil.doClassMigration(myProject, psiMigration, entry.getNewName(), usages);
      }
    }

    for(RefactoringHelper helper: Extensions.getExtensions(RefactoringHelper.EP_NAME)) {
      Object preparedData = helper.prepareOperation(usages);
      //noinspection unchecked
      helper.performOperation(myProject, preparedData);
    }
  }
  finally {
    a.finish();
    psiMigration.finish();
  }
}

@Override
protected void performRefactoring(@NotNull UsageInfo[] usages)
{
    finishFindMigration();
    final PsiMigration psiMigration = PsiMigrationManager.getInstance(myProject).startMigration();
    LocalHistoryAction a = LocalHistory.getInstance().startAction(getCommandName());

    myRefsToShorten = new ArrayList<>();
    try
    {
        boolean sameShortNames = false;
        for(int i = 0; i < myMigrationMap.getEntryCount(); i++)
        {
            MigrationMapEntry entry = myMigrationMap.getEntryAt(i);
            String newName = entry.getNewName();
            PsiElement element = entry.getType() == MigrationMapEntry.PACKAGE ? MigrationUtil.findOrCreatePackage(myProject, psiMigration, newName) : MigrationUtil.findOrCreateClass(myProject,
                    psiMigration, newName);
            MigrationUtil.doMigration(element, newName, usages, myRefsToShorten);
            if(!sameShortNames && Comparing.strEqual(StringUtil.getShortName(entry.getOldName()), StringUtil.getShortName(entry.getNewName())))
            {
                sameShortNames = true;
            }
        }

        if(!sameShortNames)
        {
            myRefsToShorten.clear();
        }
    }
    finally
    {
        a.finish();
        psiMigration.finish();
    }
}

private PsiMigration startMigration(Project project) {
  final PsiMigration migration = PsiMigrationManager.getInstance(project).startMigration();
  findOrCreateEntries(project, migration);
  return migration;
}

private PsiMigration startMigration(Project project) {
  final PsiMigration migration = PsiMigrationManager.getInstance(project).startMigration();
  findOrCreateEntries(project, migration);
  return migration;
}

private PsiMigration startMigration(Project project)
{
    final PsiMigration migration = PsiMigrationManager.getInstance(project).startMigration();
    findOrCreateEntries(project, migration);
    return migration;
}