org.apache.ambari.server.serveraction.kerberos

Class KerberosConfigDataFileWriter

java.lang.Object

org.apache.ambari.server.serveraction.kerberos.AbstractKerberosDataFileWriter

org.apache.ambari.server.serveraction.kerberos.KerberosConfigDataFileWriter

All Implemented Interfaces:

KerberosConfigDataFile, KerberosDataFile

public class KerberosConfigDataFileWriter
extends AbstractKerberosDataFileWriter
implements KerberosConfigDataFile

KerberosConfigDataFileWriter is an implementation of a KerberosConfigDataFile that is used to create a new KerberosConfigDataFileWriter.

This class encapsulates a CSVPrinter to create a CSV-formatted file.

Field Summary

Fields inherited from interface org.apache.ambari.server.serveraction.kerberos.KerberosConfigDataFile

CONFIGURATION_TYPE, DATA_FILE_NAME, KEY, OPERATION, OPERATION_TYPE_REMOVE, OPERATION_TYPE_SET, VALUE

Method Summary

Modifier and Type	Method and Description
void	addRecord(String config, String key, String value, String operation) Appends a new record to the data file
protected Iterable<String>	getHeaderRecord() Gets the header record for the CSV file

Methods inherited from class org.apache.ambari.server.serveraction.kerberos.AbstractKerberosDataFileWriter

appendRecord, close, isClosed, open

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.ambari.server.serveraction.kerberos.KerberosDataFile

close, open

Method Detail

addRecord

public void addRecord(String config,
                      String key,
                      String value,
                      String operation)
               throws IOException

Appends a new record to the data file

Parameters:

config - a String declaring the relevant configuration type for the key and value

key - a String declaring the key (or property name) with in the relevant configuration type

value - a String containing the value of the configuration property

operation - a String containing the operation to perform, expected "SET" or "REMOVE"

Throws:

IOException

getHeaderRecord

protected Iterable<String> getHeaderRecord()

Description copied from class: AbstractKerberosDataFileWriter

Gets the header record for the CSV file

Specified by:

getHeaderRecord in class AbstractKerberosDataFileWriter

Returns:

an Iterable containing the (ordered) list of Strings declaring the columns names