本文整理汇总了Java中org.apache.hadoop.hive.ql.exec.Description.name方法的典型用法代码示例。如果您正苦于以下问题：Java Description.name方法的具体用法？Java Description.name怎么用？Java Description.name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.hive.ql.exec.Description的用法示例。
在下文中一共展示了Description.name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: parseOptions
import org.apache.hadoop.hive.ql.exec.Description; //导入方法依赖的package包/类
@Nonnull
protected final CommandLine parseOptions(String optionValue) throws UDFArgumentException {
String[] args = optionValue.split("\\s+");
Options opts = getOptions();
opts.addOption("help", false, "Show function help");
CommandLine cl = CommandLineUtils.parseOptions(args, opts);
if (cl.hasOption("help")) {
Description funcDesc = getClass().getAnnotation(Description.class);
final String cmdLineSyntax;
if (funcDesc == null) {
cmdLineSyntax = getClass().getSimpleName();
} else {
String funcName = funcDesc.name();
cmdLineSyntax = funcName == null ? getClass().getSimpleName()
: funcDesc.value().replace("_FUNC_", funcDesc.name());
}
StringWriter sw = new StringWriter();
sw.write('\n');
PrintWriter pw = new PrintWriter(sw);
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp(pw, HelpFormatter.DEFAULT_WIDTH, cmdLineSyntax, null, opts,
HelpFormatter.DEFAULT_LEFT_PAD, HelpFormatter.DEFAULT_DESC_PAD, null, true);
pw.flush();
String helpMsg = sw.toString();
throw new UDFArgumentException(helpMsg);
}
return cl;
}
示例2: parseOptions
import org.apache.hadoop.hive.ql.exec.Description; //导入方法依赖的package包/类
@Nonnull
protected final CommandLine parseOptions(@Nonnull String optionValue)
throws UDFArgumentException {
String[] args = optionValue.split("\\s+");
Options opts = getOptions();
opts.addOption("help", false, "Show function help");
CommandLine cl = CommandLineUtils.parseOptions(args, opts);
if (cl.hasOption("help")) {
Description funcDesc = getClass().getAnnotation(Description.class);
final String cmdLineSyntax;
if (funcDesc == null) {
cmdLineSyntax = getClass().getSimpleName();
} else {
String funcName = funcDesc.name();
cmdLineSyntax = funcName == null ? getClass().getSimpleName()
: funcDesc.value().replace("_FUNC_", funcDesc.name());
}
StringWriter sw = new StringWriter();
sw.write('\n');
PrintWriter pw = new PrintWriter(sw);
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp(pw, HelpFormatter.DEFAULT_WIDTH, cmdLineSyntax, null, opts,
HelpFormatter.DEFAULT_LEFT_PAD, HelpFormatter.DEFAULT_DESC_PAD, null, true);
pw.flush();
String helpMsg = sw.toString();
throw new UDFArgumentException(helpMsg);
}
return cl;
}