com.gpudb.protocol

Class ShowWalRequest

java.lang.Object

com.gpudb.protocol.ShowWalRequest

All Implemented Interfaces:

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

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

A set of parameters for GPUdb.showWal.

Requests table write-ahead log (WAL) properties. Returns information about the requested table WAL entries.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ShowWalRequest.Options A set of string constants for the ShowWalRequest parameter options.

Constructor Summary

Constructors

Constructor and Description
ShowWalRequest() Constructs a ShowWalRequest object with default parameters.
ShowWalRequest(List<String> tableNames, Map<String,String> options) Constructs a ShowWalRequest 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.
Map<String,String>	getOptions() Optional parameters.
org.apache.avro.Schema	getSchema() This method supports the Avro framework and is not intended to be called directly by the user.
List<String>	getTableNames() List of tables to query.
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.
ShowWalRequest	setOptions(Map<String,String> options) Optional parameters.
ShowWalRequest	setTableNames(List<String> tableNames) List of tables to query.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ShowWalRequest

public ShowWalRequest()

Constructs a ShowWalRequest object with default parameters.

ShowWalRequest

public ShowWalRequest(List<String> tableNames,
                      Map<String,String> options)

Constructs a ShowWalRequest object with the specified parameters.

Parameters:

tableNames - List of tables to query. An asterisk returns all tables.

options - Optional parameters.

• SHOW_SETTINGS: If TRUE include a map of the WAL settings for the requested tables. Supported values:
  • TRUE
  • FALSE
  The default value is TRUE.

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.

getTableNames

public List<String> getTableNames()

List of tables to query. An asterisk returns all tables.

Returns:

The current value of tableNames.

setTableNames

public ShowWalRequest setTableNames(List<String> tableNames)

List of tables to query. An asterisk returns all tables.

Parameters:

tableNames - The new value for tableNames.

Returns:

this to mimic the builder pattern.

getOptions

public Map<String,String> getOptions()

Optional parameters.

• SHOW_SETTINGS: If TRUE include a map of the WAL settings for the requested tables. Supported values:
  • TRUE
  • FALSE
  The default value is TRUE.

The default value is an empty Map.

Returns:

The current value of options.

setOptions

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

Optional parameters.

• SHOW_SETTINGS: If TRUE include a map of the WAL settings for the requested tables. Supported values:
  • TRUE
  • FALSE
  The default value is TRUE.

The default value is an empty Map.

Parameters:

options - The new value for options.

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