本文整理匯總了Java中org.apache.zookeeper.server.persistence.FileTxnLog類的典型用法代碼示例。如果您正苦於以下問題:Java FileTxnLog類的具體用法?Java FileTxnLog怎麽用?Java FileTxnLog使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
FileTxnLog類屬於org.apache.zookeeper.server.persistence包,在下文中一共展示了FileTxnLog類的8個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: loadThisSnapShot
import org.apache.zookeeper.server.persistence.FileTxnLog; //導入依賴的package包/類
/**
* create the old snapshot database
* apply logs to it and create the final
* database
* @throws IOException
*/
private void loadThisSnapShot() throws IOException {
// pick the most recent snapshot
File snapshot = findMostRecentSnapshot();
if (snapshot == null) {
throw new IOException("Invalid snapshots " +
"or not snapshots in " + snapShotDir);
}
InputStream inputstream = new BufferedInputStream(
new FileInputStream(snapshot));
InputArchive ia = BinaryInputArchive.getArchive(inputstream);
deserializeSnapshot(oldDataTree, ia, sessionsWithTimeouts);
//ok done with the snapshot
// now apply the logs
long snapshotZxid = oldDataTree.lastProcessedZxid;
File[] files = FileTxnLog.getLogFiles(
dataDir.listFiles(), snapshotZxid);
long zxid = processLogFiles(oldDataTree, files);
//check for this zxid to be sane
if (zxid != oldDataTree.lastProcessedZxid) {
LOG.error("Zxids not equal " + " log zxid " +
zxid + " datatree processed " + oldDataTree.lastProcessedZxid);
}
}
示例2: testGetLogFiles
import org.apache.zookeeper.server.persistence.FileTxnLog; //導入依賴的package包/類
@Test
public void testGetLogFiles() {
File[] files = new File[5];
files[0] = new File("log.10027c6de");
files[1] = new File("log.10027c6df");
files[2] = new File("snapshot.10027c6dd");
files[3] = new File("log.10027c6dc");
files[4] = new File("log.20027c6dc");
File[] orig = files.clone();
File[] filelist =
FileTxnLog.getLogFiles(files,
Long.parseLong("10027c6de", 16));
Assert.assertEquals(3, filelist.length);
Assert.assertEquals(orig[0], filelist[0]);
Assert.assertEquals(orig[1], filelist[1]);
Assert.assertEquals(orig[4], filelist[2]);
}
示例3: testPad
import org.apache.zookeeper.server.persistence.FileTxnLog; //導入依賴的package包/類
/**
* Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
* fixes it.
*/
@Test
public void testPad() throws Exception {
File tmpDir = ClientBase.createTmpDir();
FileTxnLog txnLog = new FileTxnLog(tmpDir);
TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
System.currentTimeMillis(), OpCode.create);
Record txn = new CreateTxn("/Test", new byte[0], null, false, 1);
txnLog.append(txnHeader, txn);
FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
Long.toHexString(txnHeader.getZxid()));
BinaryInputArchive ia = BinaryInputArchive.getArchive(in);
FileHeader header = new FileHeader();
header.deserialize(ia, "fileheader");
LOG.info("Received magic : " + header.getMagic() +
" Expected : " + FileTxnLog.TXNLOG_MAGIC);
Assert.assertTrue("Missing magic number ",
header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
示例4: testPad
import org.apache.zookeeper.server.persistence.FileTxnLog; //導入依賴的package包/類
/**
* Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
* fixes it.
*/
@Test
public void testPad() throws Exception {
File tmpDir = ClientBase.createTmpDir();
FileTxnLog txnLog = new FileTxnLog(tmpDir);
TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
Time.currentElapsedTime(), OpCode.create);
Record txn = new CreateTxn("/Test", new byte[0], null, false, 1);
txnLog.append(txnHeader, txn);
FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
Long.toHexString(txnHeader.getZxid()));
BinaryInputArchive ia = BinaryInputArchive.getArchive(in);
FileHeader header = new FileHeader();
header.deserialize(ia, "fileheader");
LOG.info("Received magic : " + header.getMagic() +
" Expected : " + FileTxnLog.TXNLOG_MAGIC);
Assert.assertTrue("Missing magic number ",
header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
示例5: testPad
import org.apache.zookeeper.server.persistence.FileTxnLog; //導入依賴的package包/類
/**
* Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
* fixes it.
*/
@Test
public void testPad() throws Exception {
File tmpDir = ClientBase.createTmpDir();
FileTxnLog txnLog = new FileTxnLog(tmpDir);
TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
System.currentTimeMillis(), OpCode.create);
Record txn = new CreateTxn("/Test", new byte[0], null, false, 1);
txnLog.append(txnHeader, txn);
FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
Long.toHexString(txnHeader.getZxid()));
BinaryInputArchive ia = BinaryInputArchive.getArchive(in);
FileHeader header = new FileHeader();
header.deserialize(ia, "fileheader");
LOG.info("Expected header :" + header.getMagic() +
" Received : " + FileTxnLog.TXNLOG_MAGIC);
Assert.assertTrue("Missing magic number ",
header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
示例6: ZooKeeperLogParser
import org.apache.zookeeper.server.persistence.FileTxnLog; //導入依賴的package包/類
public ZooKeeperLogParser(InputStream log)
{
logStream = BinaryInputArchive.getArchive(log);
boolean localValidHeader = false;
try
{
FileHeader fhdr = new FileHeader();
fhdr.deserialize(logStream, "fileheader");
localValidHeader = (fhdr.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}
catch ( IOException e )
{
// ignore
}
validHeader = localValidHeader;
}
示例7: testGetLogFiles
import org.apache.zookeeper.server.persistence.FileTxnLog; //導入依賴的package包/類
@Test
public void testGetLogFiles() {
File[] files = new File[5];
files[0] = new File("log.10027c6de");
files[1] = new File("log.10027c6df");
files[2] = new File("snapshot.10027c6dd");
files[3] = new File("log.10027c6dc");
files[4] = new File("log.20027c6dc");
File[] orig = files.clone();
File[] filelist =
FileTxnLog.getLogFiles(files,
Long.parseLong("10027c6de", 16));
assertEquals(3, filelist.length);
assertEquals(orig[0], filelist[0]);
assertEquals(orig[1], filelist[1]);
assertEquals(orig[4], filelist[2]);
}
示例8: testPad
import org.apache.zookeeper.server.persistence.FileTxnLog; //導入依賴的package包/類
/**
* Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
* fixes it.
*/
@Test
public void testPad() throws Exception {
File tmpDir = ClientBase.createTmpDir();
FileTxnLog txnLog = new FileTxnLog(tmpDir);
TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
System.currentTimeMillis(), OpCode.create);
Record txn = new CreateTxn("/Test", new byte[0], null, false);
txnLog.append(txnHeader, txn);
FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
Long.toHexString(txnHeader.getZxid()));
BinaryInputArchive ia = BinaryInputArchive.getArchive(in);
FileHeader header = new FileHeader();
header.deserialize(ia, "fileheader");
Assert.assertTrue("Missing magic number ",
header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}