本文整理汇总了Java中org.apache.hadoop.contrib.bkjournal.BKJournalProtos.EditLogLedgerProto类的典型用法代码示例。如果您正苦于以下问题：Java EditLogLedgerProto类的具体用法？Java EditLogLedgerProto怎么用？Java EditLogLedgerProto使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
EditLogLedgerProto类属于org.apache.hadoop.contrib.bkjournal.BKJournalProtos包，在下文中一共展示了EditLogLedgerProto类的2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: write
import org.apache.hadoop.contrib.bkjournal.BKJournalProtos.EditLogLedgerProto; //导入依赖的package包/类
void write(ZooKeeper zkc, String path)
throws IOException, KeeperException.NodeExistsException {
this.zkPath = path;
EditLogLedgerProto.Builder builder = EditLogLedgerProto.newBuilder();
builder.setDataLayoutVersion(dataLayoutVersion)
.setLedgerId(ledgerId).setFirstTxId(firstTxId);
if (!inprogress) {
builder.setLastTxId(lastTxId);
}
try {
zkc.create(path, TextFormat.printToString(builder.build()).getBytes(UTF_8),
Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
} catch (KeeperException.NodeExistsException nee) {
throw nee;
} catch (KeeperException e) {
throw new IOException("Error creating ledger znode", e);
} catch (InterruptedException ie) {
throw new IOException("Interrupted creating ledger znode", ie);
}
}
示例2: read
import org.apache.hadoop.contrib.bkjournal.BKJournalProtos.EditLogLedgerProto; //导入依赖的package包/类
static EditLogLedgerMetadata read(ZooKeeper zkc, String path)
throws IOException, KeeperException.NoNodeException {
try {
byte[] data = zkc.getData(path, false, null);
EditLogLedgerProto.Builder builder = EditLogLedgerProto.newBuilder();
if (LOG.isDebugEnabled()) {
LOG.debug("Reading " + path + " data: " + new String(data, UTF_8));
}
TextFormat.merge(new String(data, UTF_8), builder);
if (!builder.isInitialized()) {
throw new IOException("Invalid/Incomplete data in znode");
}
EditLogLedgerProto ledger = builder.build();
int dataLayoutVersion = ledger.getDataLayoutVersion();
long ledgerId = ledger.getLedgerId();
long firstTxId = ledger.getFirstTxId();
if (ledger.hasLastTxId()) {
long lastTxId = ledger.getLastTxId();
return new EditLogLedgerMetadata(path, dataLayoutVersion,
ledgerId, firstTxId, lastTxId);
} else {
return new EditLogLedgerMetadata(path, dataLayoutVersion,
ledgerId, firstTxId);
}
} catch(KeeperException.NoNodeException nne) {
throw nne;
} catch(KeeperException ke) {
throw new IOException("Error reading from zookeeper", ke);
} catch (InterruptedException ie) {
throw new IOException("Interrupted reading from zookeeper", ie);
}
}