private void applyAll() throws IOException {
trace("applyAll");
for (FileOperation op : notAppliedList) {
op.apply(base);
}
notAppliedList.clear();
}
private void givenFileOperationWith(String parent, String source, String target)
throws CacheException {
fileOperation = new FileOperation(aReplicaOnlineFileWithNoTags().getPnfsId(), 1, 2L);
Integer p = parent != null ? poolInfoMap.getPoolIndex(parent) : null;
Integer s = source != null ? poolInfoMap.getPoolIndex(source) : null;
Integer t = target != null ? poolInfoMap.getPoolIndex(target) : null;
fileOperation.setParentOrSource(p, p != null);
fileOperation.setSource(s);
fileOperation.setTarget(t);
}
/**
* Check whether the file region of this operation overlaps with another operation.
*
* @param other the other operation
* @return if there is an overlap
*/
boolean overlaps(FileOperation other) {
if (isTruncate() && other.isTruncate()) {
// we just keep the latest truncate operation
return true;
}
if (isTruncate()) {
return position < other.getEndPosition();
} else if (other.isTruncate()) {
return getEndPosition() > other.position;
}
return position < other.getEndPosition() && getEndPosition() > other.position;
}
/**
* create a virtual disk.
*
* @param id disk id
* @param format disk format
* @param capacity disk capacity
* @return file object
* @throws Exception
*/
public VAFile createDisk(VAFile vafile, long capacity) throws Exception {
// check disk
checkDiskType(vafile);
// create a new disk
VADisk vadisk = new VADisk(vafile);
vadisk.setCapacity(capacity);
// get file data access object
VAFileDao fileDao = DaoFactory.getVAFileDao();
// add the file to the database
vafile = fileDao.add(vadisk);
if (vafile == null) {
throw new Exception("Can't add the file to the database.");
}
try {
// create disk
FileOperation.getInstance()
.createDisk(
VAMConfig.getNfsHost(),
VAMConfig.getNfsUser(),
vafile,
vafile.getSavePath(),
capacity);
} catch (Exception e) {
// remove file in the database
DaoFactory.getVAFileDao().remove(vafile.getGuid());
throw new Exception(e);
}
return vafile;
}
@Override
public String generate(
List<String> md5List, String absoluteWorkingDirPath, String absoluteOutputDirPath) {
final StringBuilder sb = new StringBuilder();
// check output file
File outputFile = null;
outputFile = FileOperation.createWriteFile(absoluteOutputDirPath, getFile());
if (outputFile == null) {
throw new RuntimeException("An unexpected error occured. File is null.");
}
// check md5
if (isMd5()) {
md5List.add(outputFile.getAbsolutePath());
}
// generate osmosis call
sb.append("--rgw").append(" ");
sb.append("file=").append(outputFile.getAbsolutePath()).append(" ");
if (this.wayTypes != null) {
sb.append("way-types").append(this.wayTypes).append(" ");
}
return sb.toString();
}
/**
* Run the given operation, passing in a temporary directory that is newly created (implying that
* it exists and is empty), and delete the directory after the operation has completed.
*
* @param operation the operation to be run
* @throws Exception if the operation throws an Exception or if the directory either cannot be
* created or cannot be deleted
*/
public static void runWithTempDirectory(FileOperation operation) throws Exception {
File tempDir = createTempDirectory();
try {
operation.run(tempDir);
} finally {
FileUtilities.delete(tempDir);
}
}
// 更新
public void update(float delta) {
if (Gdx.input.isKeyPressed(Keys.A)) {
FileOperation.LoadFile("data/test.txt");
FileOperation.ExportFile("data/aaa.txt");
}
// エンターキーでコンティニュー 仮挿入中
if (Gdx.input.isKeyPressed(Keys.ENTER)) scrollFlag = true; // スプライトを動かすフラグオン
// クリックされたらゲームステート移行
if (Gdx.input.isTouched()) {
// クリック座標によってどにメニューが選択されたか判断
int x = Gdx.input.getX();
int y = Gdx.input.getY();
// コンティニュー
if (x > 530 && x < 770 && y > 105 && y < 140) {
scrollFlag = true;
}
// ニューゲーム
if (x > 530 && x < 770 && y > 140 && y < 175) {}
// ロードゲーム
if (x > 530 && x < 770 && y > 175 && y < 210) {}
// ネットワーク
if (x > 530 && x < 770 && y > 210 && y < 245) {}
// オプション
if (x > 530 && x < 770 && y > 245 && y < 280) {}
// 終了
if (x > 530 && x < 770 && y > 315 && y < 350) {
int message =
JOptionPane.showConfirmDialog(null, "終了しますか？", "Exit", JOptionPane.YES_NO_OPTION);
if (message == JOptionPane.OK_OPTION) {
System.exit(0);
}
}
}
// 選択肢をクリックしたら画像移動
moveSprite();
}
private int addOperation(FileOperation op) throws IOException {
trace("op " + op);
checkError();
notAppliedList.add(op);
long now = op.getTime();
for (int i = 0; i < notAppliedList.size() - 1; i++) {
FileOperation old = notAppliedList.get(i);
boolean applyOld = false;
// String reason = "";
if (old.getTime() + 45000 < now) {
// reason = "old";
applyOld = true;
} else if (old.overlaps(op)) {
// reason = "overlap";
applyOld = true;
} else if (file.getRandom().nextInt(100) < 10) {
// reason = "random";
applyOld = true;
}
if (applyOld) {
trace("op apply " + op);
old.apply(base);
notAppliedList.remove(i);
i--;
}
}
return op.apply(readBase);
}
/**
* convert disk format.
*
* @param vafile file object
* @param srcPath the source disk path
* @param format disk format
* @param deleteSrcFile whether delete the source disk after converting
* @return a new file object
* @throws Exception
*/
public VAFile convertDiskFormat(
VAFile vafile, String srcPath, String format, boolean deleteSrcFile) throws Exception {
// check disk
checkDiskType(vafile);
// check state of the file
if (vafile.getState() != VAMConstants.STATE_READY) {
throw new Exception("The file's state is not correct");
}
// save old information
String oldLocation = vafile.getLocation();
String oldFormat = vafile.getFormat();
// String oldParent = vafile.getParent();
int oldState = vafile.getState();
// set new information
String newLocation = "file." + VAMUtil.genGuid();
vafile.setSrcPath(srcPath);
vafile.setLocation(newLocation);
vafile.setFormat(format);
// vafile.setParent(VAMConstants.NULL);
vafile.setDeletefileAfterOperation(deleteSrcFile);
// get file data access object
VAFileDao fileDao = DaoFactory.getVAFileDao();
fileDao.update(vafile);
try {
// convert disk format
FileOperation.getInstance()
.convertDiskFormat(
VAMConfig.getNfsHost(),
VAMConfig.getNfsUser(),
vafile,
srcPath,
vafile.getSavePath(),
format);
} catch (Exception e) {
// restore the old information
vafile.setLocation(oldLocation);
vafile.setFormat(oldFormat);
vafile.setState(oldState);
// vafile.setParent(oldParent);
DaoFactory.getVAFileDao().update(vafile);
throw new Exception(e);
}
return vafile;
}
/**
* copy disk.
*
* @param srcFile the source disk
* @return a new disk object
* @throws Exception
*/
public VAFile copyDisk(VAFile srcFile) throws Exception {
// check disk
checkDiskType(srcFile);
// if the file has parent file, it can't be copied
VADisk srcDisk = new VADisk(srcFile);
if (!srcDisk.getParent().equals(VAMConstants.NULL)) {
throw new Exception("Can't copy the disk");
}
// create new VAFile object
VAFile vafile =
createFile(
srcFile.getId(),
null,
VAMConstants.VAF_FILE_TYPE_DISK,
srcFile.getFormat(),
srcFile.getSize());
VADisk vadisk = new VADisk(vafile);
vadisk.setCapacity(srcDisk.getCapacity());
vadisk.setParent(srcFile.getGuid());
vadisk.setReplica(true);
// get file data access object
VAFileDao fileDao = DaoFactory.getVAFileDao();
// add the file to the database
vafile = fileDao.add(vadisk);
if (vafile == null) {
throw new Exception("Can't add the file to the database.");
}
try {
// copy disk
FileOperation.getInstance()
.copyDisk(
VAMConfig.getNfsHost(),
VAMConfig.getNfsUser(),
vafile,
srcFile.getSavePath(),
vafile.getSavePath());
} catch (Exception e) {
// remove file in the database
DaoFactory.getVAFileDao().remove(vafile.getGuid());
throw new Exception(e);
}
return vafile;
}
/**
* create snapshot of a disk.
*
* @param srcFile the parent disk file object
* @param dstFile the snapshot file object
* @param host the name or IP of host creating snapshot
* @param user the user name or IP of host creating snapshot
* @return snapshot file object
* @throws Exception
*/
public VAFile createSnapshot(VAFile srcFile, VAFile dstFile, String host, String user)
throws Exception {
// check file type
checkDiskType(srcFile);
// get file data access object
VAFileDao fileDao = DaoFactory.getVAFileDao();
VADisk instDisk = new VADisk(srcFile);
// create new disk and set parent
VADisk vadisk = new VADisk(dstFile);
vadisk.setCapacity(instDisk.getCapacity());
vadisk.setParent(srcFile.getGuid());
// add the file to the database
dstFile = fileDao.add(vadisk);
if (dstFile == null) {
throw new Exception("Can't add the file to the database.");
}
try {
String path = null;
String backingPath = null;
if (host == null || user == null) {
host = VAMConfig.getNfsHost();
user = VAMConfig.getNfsUser();
}
path = dstFile.getSavePath();
backingPath = srcFile.getSavePath();
// create snapshot
FileOperation.getInstance().createSnapshot(dstFile, host, user, path, backingPath);
} catch (Exception e) {
// remove file in the database
fileDao.remove(dstFile.getGuid());
throw new Exception(e);
}
return dstFile;
}
/**
* remove file by GUID.
*
* @param guid file GUID
* @return whether remove the file successfully
* @throws Exception
*/
public boolean removeFile(String host, String user, String guid) throws Exception {
// get file data access object
VAFileDao fileDao = DaoFactory.getVAFileDao();
// get the VAFile object with the GUID
VAFile vafile = fileDao.query(guid);
if (vafile == null) {
// if the file is already deleted, should not throw exception
return true;
// throw new Exception("The file with guid \"" + guid
// + "\" is not existed or available");
}
if (vafile.getParent().equals(VAMConstants.NULL)) {
if (fileDao.getActiveReference(vafile.getGuid()) > 0) {
throw new Exception("The file is in used");
}
} else {
if (vafile.getRef() > 0) {
throw new Exception("The file is in used");
}
}
int oldState = vafile.getState();
try {
// remove file
FileOperation.getInstance().removeFile(host, user, vafile, vafile.getSavePath());
} catch (RuntimeException e) {
// restore state
vafile.setState(oldState);
fileDao.update(vafile);
throw new Exception(e);
}
return true;
}
@Override
public final boolean isFileOperationSupported(FileOperation op) {
Class<? extends AbstractFile> thisClass = getClass();
Method opMethod = op.getCorrespondingMethod(thisClass);
// If the method corresponding to the file operation has been overridden by this class (a
// ProxyFile subclass),
// check the presence of the UnsupportedFileOperation annotation in this class.
try {
if (!thisClass
.getMethod(opMethod.getName(), opMethod.getParameterTypes())
.getDeclaringClass()
.equals(ProxyFile.class)) {
return AbstractFile.isFileOperationSupported(op, thisClass);
}
} catch (Exception e) {
// Should never happen, unless AbstractFile method signatures have changed and FileOperation
// has not been updated
LOGGER.warn("Exception caught, this should not have happened", e);
}
// Otherwise, check for the presence of the UnsupportedFileOperation annotation in the wrapped
// AbstractFile.
return file.isFileOperationSupported(op);
}
/**
* add file.
*
* @param vafile file object
* @param storeLoc the file location
* @param deleteSrcFile whether delete the source file after add file
* @return file object
* @throws Exception
*/
public VAFile addFile(VAFile vafile, String storeLoc, boolean deleteSrcFile) throws Exception {
// check whether the store file is existed
String storePath = storeLoc;
if (storePath != null) {
File storeFile = new File(storePath);
if (!storeFile.exists()) {
throw new Exception("The file \"" + storePath + "\" is not existed!");
}
vafile.setSize(storeFile.length());
}
// check file path
VAMUtil.checkFile(null, vafile.getLocation());
// get file data access object
VAFileDao fileDao = DaoFactory.getVAFileDao();
// add the file to the database
vafile = fileDao.add(vafile);
if (vafile == null) {
throw new Exception("Can't add the file to the database.");
}
try {
// if the file type is disk, convert disk format
if (vafile.getFileType().equals(VAMConstants.VAF_FILE_TYPE_DISK)) {
vafile.setSrcPath(storeLoc);
DiskInfo info = VAMUtil.getDiskInfo(storeLoc);
String format = null;
String backingFile = null;
if (info != null) {
format = info.getFormat();
backingFile = info.getBackingFile();
}
if (format != null
&& format.equalsIgnoreCase(VAMConfig.getImageFormat())
&& backingFile == null) {
VADisk disk = new VADisk(vafile);
disk.setCapacity(info.getVirtualSize());
disk.setSize(info.getDiskSize());
FileOperation.getInstance()
.moveFile(
VAMConfig.getNfsHost(),
VAMConfig.getNfsUser(),
disk,
storeLoc,
disk.getSavePath());
} else {
convertDiskFormat(vafile, storeLoc, VAMConfig.getImageFormat(), deleteSrcFile);
}
} else if (storeLoc != null) { // move file
FileOperation.getInstance()
.moveFile(
VAMConfig.getNfsHost(),
VAMConfig.getNfsUser(),
vafile,
storeLoc,
vafile.getSavePath());
}
} catch (Exception e) {
// remove the file in the database
DaoFactory.getVAFileDao().remove(vafile.getGuid());
throw new Exception(e);
}
return vafile;
}
