本文整理汇总了Java中org.apache.hadoop.hbase.catalog.MetaReader.getServerNameFromCatalogResult方法的典型用法代码示例。如果您正苦于以下问题：Java MetaReader.getServerNameFromCatalogResult方法的具体用法？Java MetaReader.getServerNameFromCatalogResult怎么用？Java MetaReader.getServerNameFromCatalogResult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.hadoop.hbase.catalog.MetaReader的用法示例。
在下文中一共展示了MetaReader.getServerNameFromCatalogResult方法的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: getRegion
import org.apache.hadoop.hbase.catalog.MetaReader; //导入方法依赖的package包/类
/**
* @param tableNameOrRegionName Name of a table or name of a region.
* @param ct A {@link CatalogTracker} instance (caller of this method usually has one).
* @return a pair of HRegionInfo and ServerName if <code>tableNameOrRegionName</code> is a
* verified region name (we call {@link MetaReader#getRegion(CatalogTracker, byte[])} else
* null. Throw an exception if <code>tableNameOrRegionName</code> is null.
* @throws IOException
*/
Pair<HRegionInfo, ServerName> getRegion(final byte[] tableNameOrRegionName,
final CatalogTracker ct) throws IOException {
if (tableNameOrRegionName == null) {
throw new IllegalArgumentException("Pass a table name or region name");
}
Pair<HRegionInfo, ServerName> pair = MetaReader.getRegion(ct, tableNameOrRegionName);
if (pair == null) {
final AtomicReference<Pair<HRegionInfo, ServerName>> result = new AtomicReference<Pair<HRegionInfo, ServerName>>(
null);
final String encodedName = Bytes.toString(tableNameOrRegionName);
MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
@Override
public boolean processRow(Result data) throws IOException {
if (data == null || data.size() <= 0) {
return true;
}
HRegionInfo info = MetaReader.parseHRegionInfoFromCatalogResult(data,
HConstants.REGIONINFO_QUALIFIER);
if (info == null) {
LOG.warn("No serialized HRegionInfo in " + data);
return true;
}
if (!encodedName.equals(info.getEncodedName())) return true;
ServerName sn = MetaReader.getServerNameFromCatalogResult(data);
result.set(new Pair<HRegionInfo, ServerName>(info, sn));
return false; // found the region, stop
}
};
MetaScanner.metaScan(conf, connection, visitor, null);
pair = result.get();
}
return pair;
}
示例2: getRegion
import org.apache.hadoop.hbase.catalog.MetaReader; //导入方法依赖的package包/类
/**
* @param tableNameOrRegionName Name of a table or name of a region.
* @param ct A {@link CatalogTracker} instance (caller of this method usually has one).
* @return a pair of HRegionInfo and ServerName if <code>tableNameOrRegionName</code> is
* a verified region name (we call {@link MetaReader#getRegion( CatalogTracker, byte[])}
* else null.
* Throw an exception if <code>tableNameOrRegionName</code> is null.
* @throws IOException
*/
Pair<HRegionInfo, ServerName> getRegion(final byte[] tableNameOrRegionName,
final CatalogTracker ct) throws IOException {
if (tableNameOrRegionName == null) {
throw new IllegalArgumentException("Pass a table name or region name");
}
Pair<HRegionInfo, ServerName> pair = MetaReader.getRegion(ct, tableNameOrRegionName);
if (pair == null) {
final AtomicReference<Pair<HRegionInfo, ServerName>> result =
new AtomicReference<Pair<HRegionInfo, ServerName>>(null);
final String encodedName = Bytes.toString(tableNameOrRegionName);
MetaScannerVisitor visitor = new MetaScannerVisitorBase() {
@Override
public boolean processRow(Result data) throws IOException {
if (data == null || data.size() <= 0) {
return true;
}
HRegionInfo info = MetaReader.parseHRegionInfoFromCatalogResult(
data, HConstants.REGIONINFO_QUALIFIER);
if (info == null) {
LOG.warn("No serialized HRegionInfo in " + data);
return true;
}
if (!encodedName.equals(info.getEncodedName())) return true;
ServerName sn = MetaReader.getServerNameFromCatalogResult(data);
result.set(new Pair<HRegionInfo, ServerName>(info, sn));
return false; // found the region, stop
}
};
MetaScanner.metaScan(conf, connection, visitor, null);
pair = result.get();
}
return pair;
}