org.postgresql.quickautobalance

Class ConnectionInfo

java.lang.Object

org.postgresql.quickautobalance.ConnectionInfo

public class ConnectionInfo
extends Object

Connection info used in quick auto balance.

Field Summary

Fields

Modifier and Type	Field and Description
static long	DEFAULT_MAX_IDLE_TIME_BEFORE_TERMINAL Default maxIdleTimeBeforeTerminal.
static String	ENABLE_QUICK_AUTO_BALANCE_PARAMS

Constructor Summary

Constructors

Constructor and Description
ConnectionInfo(PgConnection pgConnection, Properties properties, HostSpec hostSpec)

Method Summary

Modifier and Type	Method and Description
boolean	checkConnectionCanBeClosed(long quickAutoBalanceStartTime) Check whether the connection can be closed.
boolean	checkConnectionIsValid() Check whether a connection is valid.
boolean	equals(Object o)
String	getAutoBalance()
StatementCancelState	getConnectionState()
HostSpec	getHostSpec() get hostSpec
long	getMaxIdleTimeBeforeTerminal()
PgConnection	getPgConnection()
int	hashCode()
boolean	isEnableQuickAutoBalance()
static boolean	parseEnableQuickAutoBalance(Properties properties) Parse enableQuickAutoBalance.
static long	parseMaxIdleTimeBeforeTerminal(Properties properties) Parse maxIdleTimeBeforeTerminal.
void	setConnectionState(StatementCancelState state)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_MAX_IDLE_TIME_BEFORE_TERMINAL

public static final long DEFAULT_MAX_IDLE_TIME_BEFORE_TERMINAL

Default maxIdleTimeBeforeTerminal.

See Also:

Constant Field Values

ENABLE_QUICK_AUTO_BALANCE_PARAMS

public static final String ENABLE_QUICK_AUTO_BALANCE_PARAMS

See Also:

Constant Field Values

Constructor Detail

ConnectionInfo

public ConnectionInfo(PgConnection pgConnection,
                      Properties properties,
                      HostSpec hostSpec)
               throws PSQLException

Throws:

PSQLException

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class Object

parseEnableQuickAutoBalance

public static boolean parseEnableQuickAutoBalance(Properties properties)
                                           throws PSQLException

Parse enableQuickAutoBalance.

Parameters:

properties - properties

Returns:

enableQuickAutoBalance

Throws:

PSQLException - EnableQuickAutoBalance parsed failed.

parseMaxIdleTimeBeforeTerminal

public static long parseMaxIdleTimeBeforeTerminal(Properties properties)
                                           throws PSQLException

Parse maxIdleTimeBeforeTerminal.

Parameters:

properties - properties

Returns:

maxIdleTimeBeforeTerminal

Throws:

PSQLException - MaxIdleTimeBeforeTerminal parse failed.

getConnectionState

public StatementCancelState getConnectionState()

setConnectionState

public void setConnectionState(StatementCancelState state)

getMaxIdleTimeBeforeTerminal

public long getMaxIdleTimeBeforeTerminal()

getAutoBalance

public String getAutoBalance()

getPgConnection

public PgConnection getPgConnection()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

checkConnectionCanBeClosed

public boolean checkConnectionCanBeClosed(long quickAutoBalanceStartTime)

Check whether the connection can be closed. The judgement conditions are as follows: 1. The connection enables quickAutoBalance. 2. The quickAutoBalance start time is later than the connection create time. 3. The connection state is idle. 4. The connection keeps idle at least maxIdleTimeBeforeTerminal seconds.

Parameters:

quickAutoBalanceStartTime - quickAutoBalance start time

Returns:

whether the connection can be closed

isEnableQuickAutoBalance

public boolean isEnableQuickAutoBalance()

checkConnectionIsValid

public boolean checkConnectionIsValid()

Check whether a connection is valid.

Returns:

whether a connection is valid

getHostSpec

public HostSpec getHostSpec()

get hostSpec

Returns:

hostSpec