本文整理汇总了Java中org.apache.hadoop.tools.TableListing.addRow方法的典型用法代码示例。如果您正苦于以下问题:Java TableListing.addRow方法的具体用法?Java TableListing.addRow怎么用?Java TableListing.addRow使用的例子?那么恭喜您, 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.tools.TableListing
的用法示例。
在下文中一共展示了TableListing.addRow方法的12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: listSpanReceivers
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
private int listSpanReceivers(List<String> args) throws IOException {
SpanReceiverInfo infos[] = remote.listSpanReceivers();
if (infos.length == 0) {
System.out.println("[no span receivers found]");
return 0;
}
TableListing listing = new TableListing.Builder().
addField("ID").
addField("CLASS").
showHeaders().
build();
for (SpanReceiverInfo info : infos) {
listing.addRow("" + info.getId(), info.getClassName());
}
System.out.println(listing.toString());
return 0;
}
示例2: run
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public int run(Configuration conf, List<String> args) throws IOException {
if (!args.isEmpty()) {
System.err.println("Can't understand argument: " + args.get(0));
return 1;
}
final DistributedFileSystem dfs = AdminHelper.getDFS(conf);
try {
final TableListing listing = new TableListing.Builder()
.addField("").addField("", true)
.wrapWidth(AdminHelper.MAX_LINE_WIDTH).hideHeaders().build();
final RemoteIterator<EncryptionZone> it = dfs.listEncryptionZones();
while (it.hasNext()) {
EncryptionZone ez = it.next();
listing.addRow(ez.getPath(), ez.getKeyName());
}
System.out.println(listing.toString());
} catch (IOException e) {
System.err.println(prettifyException(e));
return 2;
}
return 0;
}
示例3: getLongUsage
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public String getLongUsage() {
TableListing listing = AdminHelper.getOptionDescriptionListing();
listing.addRow("<path>", "A path to cache. The path can be " +
"a directory or a file.");
listing.addRow("<pool-name>", "The pool to which the directive will be " +
"added. You must have write permission on the cache pool "
+ "in order to add new directives.");
listing.addRow("-force",
"Skips checking of cache pool resource limits.");
listing.addRow("<replication>", "The cache replication factor to use. " +
"Defaults to 1.");
listing.addRow("<time-to-live>", "How long the directive is " +
"valid. Can be specified in minutes, hours, and days, e.g. " +
"30m, 4h, 2d. Valid units are [smhd]." +
" \"never\" indicates a directive that never expires." +
" If unspecified, the directive never expires.");
return getShortUsage() + "\n" +
"Add a new cache directive.\n\n" +
listing.toString();
}
示例4: getLongUsage
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public String getLongUsage() {
TableListing listing = AdminHelper.getOptionDescriptionListing();
listing.addRow("<id>", "The ID of the directive to modify (required)");
listing.addRow("<path>", "A path to cache. The path can be " +
"a directory or a file. (optional)");
listing.addRow("-force",
"Skips checking of cache pool resource limits.");
listing.addRow("<replication>", "The cache replication factor to use. " +
"(optional)");
listing.addRow("<pool-name>", "The pool to which the directive will be " +
"added. You must have write permission on the cache pool "
+ "in order to move a directive into it. (optional)");
listing.addRow("<time-to-live>", "How long the directive is " +
"valid. Can be specified in minutes, hours, and days, e.g. " +
"30m, 4h, 2d. Valid units are [smhd]." +
" \"never\" indicates a directive that never expires.");
return getShortUsage() + "\n" +
"Modify a cache directive.\n\n" +
listing.toString();
}
示例5: getLongUsage
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public String getLongUsage() {
TableListing listing = getOptionDescriptionListing();
listing.addRow("<path>", "A path to cache. The path can be " +
"a directory or a file.");
listing.addRow("<pool-name>", "The pool to which the directive will be " +
"added. You must have write permission on the cache pool "
+ "in order to add new directives.");
listing.addRow("-force",
"Skips checking of cache pool resource limits.");
listing.addRow("<replication>", "The cache replication factor to use. " +
"Defaults to 1.");
listing.addRow("<time-to-live>", "How long the directive is " +
"valid. Can be specified in minutes, hours, and days, e.g. " +
"30m, 4h, 2d. Valid units are [smhd]." +
" \"never\" indicates a directive that never expires." +
" If unspecified, the directive never expires.");
return getShortUsage() + "\n" +
"Add a new cache directive.\n\n" +
listing.toString();
}
示例6: run
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public int run(Configuration conf, List<String> args) throws IOException {
if (!args.isEmpty()) {
System.err.println("Can't understand argument: " + args.get(0));
return 1;
}
final DistributedFileSystem dfs = getDFS(conf);
try {
final TableListing listing = new TableListing.Builder()
.addField("").addField("", true)
.wrapWidth(MAX_LINE_WIDTH).hideHeaders().build();
final RemoteIterator<EncryptionZone> it = dfs.listEncryptionZones();
while (it.hasNext()) {
EncryptionZone ez = it.next();
listing.addRow(ez.getPath(), ez.getKeyName());
}
System.out.println(listing.toString());
} catch (IOException e) {
System.err.println(prettifyException(e));
return 2;
}
return 0;
}
示例7: getLongUsage
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public String getLongUsage() {
final TableListing listing = AdminHelper.getOptionDescriptionListing();
listing.addRow("<path>", "The path of the encryption zone to create. " +
"It must be an empty directory.");
listing.addRow("<keyName>", "Name of the key to use for the " +
"encryption zone.");
return getShortUsage() + "\n" +
"Create a new encryption zone.\n\n" +
listing.toString();
}
示例8: getLongUsage
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public String getLongUsage() {
final TableListing listing = AdminHelper.getOptionDescriptionListing();
listing.addRow("<command-name>", "The command for which to get " +
"detailed help. If no command is specified, print detailed help for " +
"all commands");
return getShortUsage() + "\n" +
"Get detailed help about a command.\n\n" +
listing.toString();
}
示例9: getLongUsage
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public String getLongUsage() {
final TableListing listing = AdminHelper.getOptionDescriptionListing();
listing.addRow("<path>",
"The path of the file/directory for getting the storage policy");
return getShortUsage() + "\n" +
"Get the storage policy of a file/directory.\n\n" +
listing.toString();
}
示例10: getLongUsage
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public String getLongUsage() {
final TableListing listing = getOptionDescriptionListing();
listing.addRow("<path>",
"The path of the file/directory for getting the storage policy");
return getShortUsage() + "\n" +
"Get the storage policy of a file/directory.\n\n" +
listing.toString();
}
示例11: getLongUsage
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public String getLongUsage() {
final TableListing listing = getOptionDescriptionListing();
listing.addRow("<path>", "The path of the encryption zone to create. " +
"It must be an empty directory.");
listing.addRow("<keyName>", "Name of the key to use for the " +
"encryption zone.");
return getShortUsage() + "\n" +
"Create a new encryption zone.\n\n" +
listing.toString();
}
示例12: run
import org.apache.hadoop.tools.TableListing; //导入方法依赖的package包/类
@Override
public int run(Configuration conf, List<String> args) throws IOException {
CacheDirectiveInfo.Builder builder =
new CacheDirectiveInfo.Builder();
String pathFilter = StringUtils.popOptionWithArgument("-path", args);
if (pathFilter != null) {
builder.setPath(new Path(pathFilter));
}
String poolFilter = StringUtils.popOptionWithArgument("-pool", args);
if (poolFilter != null) {
builder.setPool(poolFilter);
}
boolean printStats = StringUtils.popOption("-stats", args);
String idFilter = StringUtils.popOptionWithArgument("-id", args);
if (idFilter != null) {
builder.setId(Long.parseLong(idFilter));
}
if (!args.isEmpty()) {
System.err.println("Can't understand argument: " + args.get(0));
return 1;
}
TableListing.Builder tableBuilder = new TableListing.Builder().
addField("ID", Justification.RIGHT).
addField("POOL", Justification.LEFT).
addField("REPL", Justification.RIGHT).
addField("EXPIRY", Justification.LEFT).
addField("PATH", Justification.LEFT);
if (printStats) {
tableBuilder.addField("BYTES_NEEDED", Justification.RIGHT).
addField("BYTES_CACHED", Justification.RIGHT).
addField("FILES_NEEDED", Justification.RIGHT).
addField("FILES_CACHED", Justification.RIGHT);
}
TableListing tableListing = tableBuilder.build();
try {
DistributedFileSystem dfs = AdminHelper.getDFS(conf);
RemoteIterator<CacheDirectiveEntry> iter =
dfs.listCacheDirectives(builder.build());
int numEntries = 0;
while (iter.hasNext()) {
CacheDirectiveEntry entry = iter.next();
CacheDirectiveInfo directive = entry.getInfo();
CacheDirectiveStats stats = entry.getStats();
List<String> row = new LinkedList<String>();
row.add("" + directive.getId());
row.add(directive.getPool());
row.add("" + directive.getReplication());
String expiry;
// This is effectively never, round for nice printing
if (directive.getExpiration().getMillis() >
Expiration.MAX_RELATIVE_EXPIRY_MS / 2) {
expiry = "never";
} else {
expiry = directive.getExpiration().toString();
}
row.add(expiry);
row.add(directive.getPath().toUri().getPath());
if (printStats) {
row.add("" + stats.getBytesNeeded());
row.add("" + stats.getBytesCached());
row.add("" + stats.getFilesNeeded());
row.add("" + stats.getFilesCached());
}
tableListing.addRow(row.toArray(new String[row.size()]));
numEntries++;
}
System.out.print(String.format("Found %d entr%s%n",
numEntries, numEntries == 1 ? "y" : "ies"));
if (numEntries > 0) {
System.out.print(tableListing);
}
} catch (IOException e) {
System.err.println(AdminHelper.prettifyException(e));
return 2;
}
return 0;
}