本文整理汇总了Java中org.apache.cassandra.db.Directories类的典型用法代码示例。如果您正苦于以下问题：Java Directories类的具体用法？Java Directories怎么用？Java Directories使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
Directories类属于org.apache.cassandra.db包，在下文中一共展示了Directories类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: MaxSSTableSizeWriter
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
@SuppressWarnings("resource")
public MaxSSTableSizeWriter(ColumnFamilyStore cfs,
Directories directories,
LifecycleTransaction txn,
Set<SSTableReader> nonExpiredSSTables,
long maxSSTableSize,
int level,
boolean offline,
boolean keepOriginals)
{
super(cfs, directories, txn, nonExpiredSSTables, offline, keepOriginals);
this.allSSTables = txn.originals();
this.level = level;
this.maxSSTableSize = maxSSTableSize;
long totalSize = getTotalWriteSize(nonExpiredSSTables, estimatedTotalKeys, cfs, txn.opType());
expectedWriteSize = Math.min(maxSSTableSize, totalSize);
estimatedSSTables = Math.max(1, totalSize / maxSSTableSize);
}
示例2: CompactionAwareWriter
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
public CompactionAwareWriter(ColumnFamilyStore cfs,
Directories directories,
LifecycleTransaction txn,
Set<SSTableReader> nonExpiredSSTables,
boolean offline,
boolean keepOriginals)
{
this.cfs = cfs;
this.directories = directories;
this.nonExpiredSSTables = nonExpiredSSTables;
this.estimatedTotalKeys = SSTableReader.getApproximateKeyCount(nonExpiredSSTables);
this.maxAge = CompactionTask.getMaxDataAge(nonExpiredSSTables);
this.minRepairedAt = CompactionTask.getMinRepairedAt(nonExpiredSSTables);
this.txn = txn;
this.sstableWriter = SSTableRewriter.construct(cfs, txn, keepOriginals, maxAge, offline);
}
示例3: getFilter
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
private static BiFunction<File, Directories.FileType, Boolean> getFilter(Options options)
{
return (file, type) ->
{
switch(type)
{
case FINAL:
return options.type != Options.FileType.TMP;
case TEMPORARY:
return options.type != Options.FileType.FINAL;
case TXN_LOG:
return options.oplogs;
default:
throw new AssertionError();
}
};
}
示例4: Transaction
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
Transaction(ColumnFamilyStore cfs, LogTransaction txnLogs) throws IOException
{
this.cfs = cfs;
this.txnLogs = txnLogs;
this.dataFolder = new Directories(cfs.metadata).getDirectoryForNewSSTables();
this.sstableOld = sstable(dataFolder, cfs, 0, 128);
this.sstableNew = sstable(dataFolder, cfs, 1, 128);
assertNotNull(txnLogs);
assertNotNull(txnLogs.id());
Assert.assertEquals(OperationType.COMPACTION, txnLogs.type());
txnLogs.trackNew(sstableNew);
tidier = txnLogs.obsoleted(sstableOld);
assertNotNull(tidier);
}
示例5: testUntrack
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
@Test
public void testUntrack() throws Throwable
{
ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
File dataFolder = new Directories(cfs.metadata).getDirectoryForNewSSTables();
SSTableReader sstableNew = sstable(dataFolder, cfs, 1, 128);
// complete a transaction without keep the new files since they were untracked
LogTransaction log = new LogTransaction(OperationType.COMPACTION);
assertNotNull(log);
log.trackNew(sstableNew);
log.untrackNew(sstableNew);
log.finish();
sstableNew.selfRef().release();
Thread.sleep(1);
LogTransaction.waitForDeletions();
assertFiles(dataFolder.getPath(), Collections.<String>emptySet());
}
示例6: testCommitOnlyNew
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
@Test
public void testCommitOnlyNew() throws Throwable
{
ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
File dataFolder = new Directories(cfs.metadata).getDirectoryForNewSSTables();
SSTableReader sstable = sstable(dataFolder, cfs, 0, 128);
LogTransaction log = new LogTransaction(OperationType.COMPACTION);
assertNotNull(log);
log.trackNew(sstable);
log.finish();
assertFiles(dataFolder.getPath(), new HashSet<>(sstable.getAllFilePaths()));
sstable.selfRef().release();
}
示例7: testCommitOnlyOld
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
@Test
public void testCommitOnlyOld() throws Throwable
{
ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
File dataFolder = new Directories(cfs.metadata).getDirectoryForNewSSTables();
SSTableReader sstable = sstable(dataFolder, cfs, 0, 128);
LogTransaction log = new LogTransaction(OperationType.COMPACTION);
assertNotNull(log);
LogTransaction.SSTableTidier tidier = log.obsoleted(sstable);
assertNotNull(tidier);
log.finish();
sstable.markObsolete(tidier);
sstable.selfRef().release();
assertFiles(dataFolder.getPath(), new HashSet<>());
}
示例8: testAbortOnlyNew
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
@Test
public void testAbortOnlyNew() throws Throwable
{
ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
File dataFolder = new Directories(cfs.metadata).getDirectoryForNewSSTables();
SSTableReader sstable = sstable(dataFolder, cfs, 0, 128);
LogTransaction log = new LogTransaction(OperationType.COMPACTION);
assertNotNull(log);
log.trackNew(sstable);
log.abort();
sstable.selfRef().release();
assertFiles(dataFolder.getPath(), new HashSet<>());
}
示例9: testAbortOnlyOld
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
@Test
public void testAbortOnlyOld() throws Throwable
{
ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
File dataFolder = new Directories(cfs.metadata).getDirectoryForNewSSTables();
SSTableReader sstable = sstable(dataFolder, cfs, 0, 128);
LogTransaction log = new LogTransaction(OperationType.COMPACTION);
assertNotNull(log);
LogTransaction.SSTableTidier tidier = log.obsoleted(sstable);
assertNotNull(tidier);
tidier.abort();
log.abort();
sstable.selfRef().release();
assertFiles(dataFolder.getPath(), new HashSet<>(sstable.getAllFilePaths()));
}
示例10: testGetTemporaryFilesSafeAfterObsoletion
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
@Test
public void testGetTemporaryFilesSafeAfterObsoletion() throws Throwable
{
ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
File dataFolder = new Directories(cfs.metadata).getDirectoryForNewSSTables();
SSTableReader sstable = sstable(dataFolder, cfs, 0, 128);
LogTransaction logs = new LogTransaction(OperationType.COMPACTION);
assertNotNull(logs);
LogTransaction.SSTableTidier tidier = logs.obsoleted(sstable);
logs.finish();
sstable.markObsolete(tidier);
sstable.selfRef().release();
// This should race with the asynchronous deletion of txn log files
// It doesn't matter what it returns but it should not throw because the txn
// was completed before deleting files (i.e. releasing sstables)
for (int i = 0; i < 200; i++)
getTemporaryFiles(dataFolder);
}
示例11: listFiles
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
static Set<File> listFiles(File folder, Directories.FileType... types)
{
Collection<Directories.FileType> match = Arrays.asList(types);
return new LogAwareFileLister(folder.toPath(),
(file, type) -> match.contains(type),
Directories.OnTxnErr.IGNORE).list()
.stream()
.map(f -> {
try
{
return f.getCanonicalFile();
}
catch (IOException e)
{
throw new IOError(e);
}
})
.collect(Collectors.toSet());
}
示例12: testFromFilenameFor
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
private void testFromFilenameFor(File dir)
{
// normal
checkFromFilename(new Descriptor(dir, ksname, cfname, 1), false);
// skip component (for streaming lock file)
checkFromFilename(new Descriptor(dir, ksname, cfname, 2), true);
// secondary index
String idxName = "myidx";
File idxDir = new File(dir.getAbsolutePath() + File.separator + Directories.SECONDARY_INDEX_NAME_SEPARATOR + idxName);
checkFromFilename(new Descriptor(idxDir, ksname, cfname + Directories.SECONDARY_INDEX_NAME_SEPARATOR + idxName, 4), false);
// legacy version
checkFromFilename(new Descriptor("ja", dir, ksname, cfname, 1, SSTableFormat.Type.LEGACY), false);
// legacy secondary index
checkFromFilename(new Descriptor("ja", dir, ksname, cfname + Directories.SECONDARY_INDEX_NAME_SEPARATOR + idxName, 3, SSTableFormat.Type.LEGACY), false);
}
示例13: testFromFilenameFor
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
private void testFromFilenameFor(File dir)
{
// normal
checkFromFilename(new Descriptor(dir, ksname, cfname, 1, Descriptor.Type.FINAL), false);
// skip component (for streaming lock file)
checkFromFilename(new Descriptor(dir, ksname, cfname, 2, Descriptor.Type.FINAL), true);
// tmp
checkFromFilename(new Descriptor(dir, ksname, cfname, 3, Descriptor.Type.TEMP), false);
// secondary index
String idxName = "myidx";
File idxDir = new File(dir.getAbsolutePath() + File.separator + Directories.SECONDARY_INDEX_NAME_SEPARATOR + idxName);
checkFromFilename(new Descriptor(idxDir, ksname, cfname + Directories.SECONDARY_INDEX_NAME_SEPARATOR + idxName, 4, Descriptor.Type.FINAL), false);
// secondary index tmp
checkFromFilename(new Descriptor(idxDir, ksname, cfname + Directories.SECONDARY_INDEX_NAME_SEPARATOR + idxName, 5, Descriptor.Type.TEMP), false);
// legacy version
checkFromFilename(new Descriptor("ja", dir, ksname, cfname, 1, Descriptor.Type.FINAL), false);
// legacy tmp
checkFromFilename(new Descriptor("ja", dir, ksname, cfname, 2, Descriptor.Type.TEMP), false);
// legacy secondary index
checkFromFilename(new Descriptor("ja", dir, ksname, cfname + Directories.SECONDARY_INDEX_NAME_SEPARATOR + idxName, 3, Descriptor.Type.FINAL), false);
}
示例14: getContextMapping
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
/** Translates remote files to local files by creating a local sstable per remote sstable. */
public static PendingFile getContextMapping(PendingFile remote) throws IOException
{
/* Create a local sstable for each remote sstable */
Descriptor remotedesc = remote.desc;
if (!remotedesc.isStreamCompatible())
throw new UnsupportedOperationException(String.format("SSTable %s is not compatible with current version %s",
remote.getFilename(), Descriptor.Version.CURRENT));
// new local sstable
Table table = Table.open(remotedesc.ksname);
ColumnFamilyStore cfStore = table.getColumnFamilyStore(remotedesc.cfname);
Directories.DataDirectory localDir = cfStore.directories.getLocationCapableOfSize(remote.size);
if (localDir == null)
throw new RuntimeException("Insufficient disk space to store " + remote.size + " bytes");
Descriptor localdesc = Descriptor.fromFilename(cfStore.getTempSSTablePath(cfStore.directories.getLocationForDisk(localDir)));
return new PendingFile(localdesc, remote);
}
示例15: getContextMapping
import org.apache.cassandra.db.Directories; //导入依赖的package包/类
/** Translates remote files to local files by creating a local sstable per remote sstable. */
public static PendingFile getContextMapping(PendingFile remote) throws IOException
{
/* Create a local sstable for each remote sstable */
Descriptor remotedesc = remote.desc;
if (!remotedesc.isStreamCompatible())
throw new UnsupportedOperationException(String.format("SSTable %s is not compatible with current version %s",
remote.getFilename(), Descriptor.Version.CURRENT));
// new local sstable
Table table = Table.open(remotedesc.ksname);
ColumnFamilyStore cfStore = table.getColumnFamilyStore(remotedesc.cfname);
Directories.DataDirectory localDir = cfStore.directories.getWriteableLocation();
if (localDir == null)
throw new RuntimeException("Insufficient disk space to store " + remote.size + " bytes");
Descriptor localdesc = Descriptor.fromFilename(cfStore.getTempSSTablePath(cfStore.directories.getLocationForDisk(localDir)));
return new PendingFile(localdesc, remote);
}