com.aspc.commander.sql

Class MemoryCommand

java.lang.Object

com.aspc.commander.Command

com.aspc.commander.sql.SQLCommand

com.aspc.commander.sql.MemoryCommand

All Implemented Interfaces:

CommandBuildResultsPlugin

public class MemoryCommand
extends SQLCommand

Allows the memory to be remotely cleared or to show status on the memory.
Syntax

  MEMORY
     [GC]
     [CLEAR level]
     [LOG [log_name]]
     [DISABLE disable_feature]
     [ENABLE enable_feature]
  

Usage

  /* Will Clear medimum level cache. */
  MEMORY CLEAR 5

  /* Will write the memory stats to the named logger */
  MEMORY LOG "performance.test"

  /* Disable conservative mode */
  MEMORY DISABLE conservative

  /* Enable conservative mode */
  MEMORY ENABLE conservative
  

THREAD MODE: SINGLE THREADED command

Since:

3 December 2003

Author:

Nigel Leck

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	FEATURE_LOG_COMMANDS logging of commands is a feature that can be disabled/enabled.
static java.lang.String	FIELD_DISABLE_FEATURE DISABLE FEATURE keyword
static java.lang.String	FIELD_ENABLE_FEATURE ENABLE FEATURE keyword
static java.lang.String	KEY_GC keyword GC

Fields inherited from class com.aspc.commander.sql.SQLCommand

CURSOR_SIZE

Constructor Summary

Constructors

Constructor and Description
MemoryCommand(Connection connection, Pattern pattern) std.

Method Summary

Modifier and Type	Method and Description
protected void	execute(Parser p) execute the command.
java.lang.String	getColumnName(int col) the column name
java.lang.String	getColumnType(int col) get the column type
java.lang.String	getRecordID(int row) the record ID
java.lang.Object	getValue(int row, int col) get the value

Methods inherited from class com.aspc.commander.sql.SQLCommand

appendResult, appendResult, getCursorName, getRecordKey, isExecuteOnly

Methods inherited from class com.aspc.commander.Command

execute, extMakeThreadName, getConnection, getPattern, getRawTitle, getTitle, makeThreadName, recordCall, setTitle

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.aspc.commander.sql.results.CommandBuildResultsPlugin

getRawTitle

Field Detail

KEY_GC

public static final java.lang.String KEY_GC

keyword GC

See Also:

Constant Field Values

FIELD_DISABLE_FEATURE

public static final java.lang.String FIELD_DISABLE_FEATURE

DISABLE FEATURE keyword

See Also:

Constant Field Values

FIELD_ENABLE_FEATURE

public static final java.lang.String FIELD_ENABLE_FEATURE

ENABLE FEATURE keyword

See Also:

Constant Field Values

FEATURE_LOG_COMMANDS

public static final java.lang.String FEATURE_LOG_COMMANDS

logging of commands is a feature that can be disabled/enabled.

See Also:

Constant Field Values

Constructor Detail

MemoryCommand

public MemoryCommand(Connection connection,
                     Pattern pattern)

std. Command.

Parameters:

connection - the connection

pattern - the pattern

Method Detail

execute

protected void execute(Parser p)
                throws java.lang.Exception

execute the command.

Specified by:

execute in class Command

Parameters:

p - The parser

Throws:

java.lang.Exception - A serious problem

getColumnName

public java.lang.String getColumnName(int col)

the column name

Parameters:

col - the column

Returns:

the name

getColumnType

public java.lang.String getColumnType(int col)

get the column type

Parameters:

col - the column

Returns:

the type

getRecordID

public java.lang.String getRecordID(int row)

the record ID

Parameters:

row - the row

Returns:

the ID

getValue

public java.lang.Object getValue(int row,
                                 int col)

get the value

Parameters:

row - the row

col - the col

Returns:

the value