com.gpudb.protocol

Class AdminAlterHostRequest

java.lang.Object

com.gpudb.protocol.AdminAlterHostRequest

All Implemented Interfaces:

org.apache.avro.generic.GenericContainer, org.apache.avro.generic.IndexedRecord

public class AdminAlterHostRequest
extends Object
implements org.apache.avro.generic.IndexedRecord

A set of parameters for GPUdb.adminAlterHost(AdminAlterHostRequest).

Alter properties on an existing host in the cluster. Currently, the only property that can be altered is a hosts ability to accept failover processes.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AdminAlterHostRequest.Options Optional parameters ACCEPTS_FAILOVER: If set to true, the host will accept processes (ranks, graph server, etc.) in the event of a failover on another node in the cluster.

Constructor Summary

Constructors

Constructor and Description
AdminAlterHostRequest() Constructs an AdminAlterHostRequest object with default parameters.
AdminAlterHostRequest(String host, Map<String,String> options) Constructs an AdminAlterHostRequest object with the specified parameters.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
Object	get(int index) This method supports the Avro framework and is not intended to be called directly by the user.
static org.apache.avro.Schema	getClassSchema() This method supports the Avro framework and is not intended to be called directly by the user.
String	getHost()
Map<String,String>	getOptions()
org.apache.avro.Schema	getSchema() This method supports the Avro framework and is not intended to be called directly by the user.
int	hashCode()
void	put(int index, Object value) This method supports the Avro framework and is not intended to be called directly by the user.
AdminAlterHostRequest	setHost(String host)
AdminAlterHostRequest	setOptions(Map<String,String> options)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AdminAlterHostRequest

public AdminAlterHostRequest()

Constructs an AdminAlterHostRequest object with default parameters.

AdminAlterHostRequest

public AdminAlterHostRequest(String host,
                             Map<String,String> options)

Constructs an AdminAlterHostRequest object with the specified parameters.

Parameters:

host - Identifies the host this applies to. Can be the host address, or formatted as 'hostN' where N is the host number as specified in gpudb.conf

options - Optional parameters

• ACCEPTS_FAILOVER: If set to true, the host will accept processes (ranks, graph server, etc.) in the event of a failover on another node in the cluster. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.

The default value is an empty Map.

Method Detail

getClassSchema

public static org.apache.avro.Schema getClassSchema()

This method supports the Avro framework and is not intended to be called directly by the user.

Returns:

the schema for the class.

getHost

public String getHost()

Returns:

Identifies the host this applies to. Can be the host address, or formatted as 'hostN' where N is the host number as specified in gpudb.conf

setHost

public AdminAlterHostRequest setHost(String host)

Parameters:

host - Identifies the host this applies to. Can be the host address, or formatted as 'hostN' where N is the host number as specified in gpudb.conf

Returns:

this to mimic the builder pattern.

getOptions

public Map<String,String> getOptions()

Returns:

Optional parameters

• ACCEPTS_FAILOVER: If set to true, the host will accept processes (ranks, graph server, etc.) in the event of a failover on another node in the cluster. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.

The default value is an empty Map.

setOptions

public AdminAlterHostRequest setOptions(Map<String,String> options)

Parameters:

options - Optional parameters

• ACCEPTS_FAILOVER: If set to true, the host will accept processes (ranks, graph server, etc.) in the event of a failover on another node in the cluster. Supported values:
  • TRUE
  • FALSE
  The default value is FALSE.

The default value is an empty Map.

Returns:

this to mimic the builder pattern.

getSchema

public org.apache.avro.Schema getSchema()

This method supports the Avro framework and is not intended to be called directly by the user.

Specified by:

getSchema in interface org.apache.avro.generic.GenericContainer

Returns:

the schema object describing this class.

get

public Object get(int index)

This method supports the Avro framework and is not intended to be called directly by the user.

Specified by:

get in interface org.apache.avro.generic.IndexedRecord

Parameters:

index - the position of the field to get

Returns:

value of the field with the given index.

Throws:

IndexOutOfBoundsException

put

public void put(int index,
                Object value)

This method supports the Avro framework and is not intended to be called directly by the user.

Specified by:

put in interface org.apache.avro.generic.IndexedRecord

Parameters:

index - the position of the field to set

value - the value to set

Throws:

IndexOutOfBoundsException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object