本文整理汇总了Java中org.apache.zookeeper.server.persistence.TxnLog.TxnIterator.getTxn方法的典型用法代码示例。如果您正苦于以下问题:Java TxnIterator.getTxn方法的具体用法?Java TxnIterator.getTxn怎么用?Java TxnIterator.getTxn使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.zookeeper.server.persistence.TxnLog.TxnIterator
的用法示例。
在下文中一共展示了TxnIterator.getTxn方法的3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: testTruncationStreamReset
import org.apache.zookeeper.server.persistence.TxnLog.TxnIterator; //导入方法依赖的package包/类
@Test
public void testTruncationStreamReset() throws Exception {
File tmpdir = ClientBase.createTmpDir();
FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpdir, tmpdir);
ZKDatabase zkdb = new ZKDatabase(snaplog);
for (int i = 1; i <= 100; i++) {
append(zkdb, i);
}
zkdb.truncateLog(1);
append(zkdb, 200);
zkdb.close();
// verify that the truncation and subsequent append were processed
// correctly
FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
TxnIterator iter = txnlog.read(1);
TxnHeader hdr = iter.getHeader();
Record txn = iter.getTxn();
Assert.assertEquals(1, hdr.getZxid());
Assert.assertTrue(txn instanceof SetDataTxn);
iter.next();
hdr = iter.getHeader();
txn = iter.getTxn();
Assert.assertEquals(200, hdr.getZxid());
Assert.assertTrue(txn instanceof SetDataTxn);
iter.close();
ClientBase.recursiveDelete(tmpdir);
}
示例2: testTruncationStreamReset
import org.apache.zookeeper.server.persistence.TxnLog.TxnIterator; //导入方法依赖的package包/类
@Test
public void testTruncationStreamReset() throws Exception {
File tmpdir = ClientBase.createTmpDir();
FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpdir, tmpdir);
ZKDatabase zkdb = new ZKDatabase(snaplog);
// make sure to snapshot, so that we have something there when
// truncateLog reloads the db
snaplog.save(zkdb.getDataTree(), zkdb.getSessionWithTimeOuts(), false);
for (int i = 1; i <= 100; i++) {
append(zkdb, i);
}
zkdb.truncateLog(1);
append(zkdb, 200);
zkdb.close();
// verify that the truncation and subsequent append were processed
// correctly
FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
TxnIterator iter = txnlog.read(1);
TxnHeader hdr = iter.getHeader();
Record txn = iter.getTxn();
Assert.assertEquals(1, hdr.getZxid());
Assert.assertTrue(txn instanceof SetDataTxn);
iter.next();
hdr = iter.getHeader();
txn = iter.getTxn();
Assert.assertEquals(200, hdr.getZxid());
Assert.assertTrue(txn instanceof SetDataTxn);
iter.close();
ClientBase.recursiveDelete(tmpdir);
}
示例3: testTruncationStreamReset
import org.apache.zookeeper.server.persistence.TxnLog.TxnIterator; //导入方法依赖的package包/类
@Test
public void testTruncationStreamReset() throws Exception {
File tmpdir = ClientBase.createTmpDir();
FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpdir, tmpdir);
ZKDatabase zkdb = new ZKDatabase(snaplog);
for (int i = 1; i <= 100; i++) {
append(zkdb, i);
}
zkdb.truncateLog(1);
append(zkdb, 200);
zkdb.close();
// verify that the truncation and subsequent append were processed
// correctly
FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
TxnIterator iter = txnlog.read(1);
TxnHeader hdr = iter.getHeader();
Record txn = iter.getTxn();
Assert.assertEquals(1, hdr.getZxid());
Assert.assertTrue(txn instanceof SetDataTxn);
iter.next();
hdr = iter.getHeader();
txn = iter.getTxn();
Assert.assertEquals(200, hdr.getZxid());
Assert.assertTrue(txn instanceof SetDataTxn);
}