Example usage for org.apache.hadoop.registry.client.api RegistryConstants PATH_SYSTEM_SERVICES

Introduction

In this page you can find the example usage for org.apache.hadoop.registry.client.api RegistryConstants PATH_SYSTEM_SERVICES.

Prototype

String PATH_SYSTEM_SERVICES

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Document

path to system services off the root : .

Usage

From source file:org.apache.slider.client.ClientRegistryBinder.java

License:Apache License

/**
 * Buld the user path -switches to the system path if the user is "".
 * It also cross-converts the username to ascii via punycode
 * @param username username or ""/* ww w  .ja  v a2 s.co  m*/
 * @return the path to the user
 */
public static String homePathForUser(String username) {
    Preconditions.checkArgument(username != null, "null user");

    // catch recursion
    if (username.startsWith(RegistryConstants.PATH_USERS)) {
        return username;
    }

    if (username.isEmpty()) {
        return RegistryConstants.PATH_SYSTEM_SERVICES;
    }

    // convert username to registry name
    String convertedName = convertUsername(username);

    return RegistryPathUtils.join(RegistryConstants.PATH_USERS, encodeForRegistry(convertedName));
}

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