Package com.sleepycat.db

Class SequenceConfig

java.lang.Object

com.sleepycat.db.SequenceConfig

All Implemented Interfaces:

java.lang.Cloneable

public class SequenceConfig
extends java.lang.Object
implements java.lang.Cloneable

Specify the attributes of a sequence.

Field Summary

Fields

Modifier and Type	Field	Description
static SequenceConfig	DEFAULT	Default configuration used if null is passed to methods that create a cursor.

Constructor Summary

Constructors

Constructor	Description
SequenceConfig()	An instance created using the default constructor is initialized with the system's default settings.

Method Summary

Modifier and Type	Method	Description
boolean	getAllowCreate()	Return true if the Database.openSequence method is configured to create the sequence if it does not already exist.
boolean	getAutoCommitNoSync()	Return true if the auto-commit operations on the sequence are configure to not flush the transaction log..
int	getCacheSize()	Return the number of elements cached by a sequence handle..
boolean	getDecrement()	Return true if the sequence is configured to decrement.
boolean	getExclusiveCreate()	Return true if the Database.openSequence method is configured to fail if the database already exists.
long	getInitialValue()	Return the initial value for a sequence..
long	getRangeMax()	Return the maximum value for the sequence.
long	getRangeMin()	Return the minimum value for the sequence.
boolean	getWrap()	Return true if the sequence will wrap around when it is incremented (decremented) past the specified maximum (minimum) value.
void	setAllowCreate(boolean allowCreate)	Configure the Database.openSequence method to create the sequence if it does not already exist.
void	setAutoCommitNoSync(boolean autoCommitNoSync)	Configure auto-commit operations on the sequence to not flush the transaction log.
void	setCacheSize(int cacheSize)	Set the Configure the number of elements cached by a sequence handle.
void	setDecrement(boolean decrement)	Specify that the sequence should be decremented.
void	setExclusiveCreate(boolean exclusiveCreate)	Configure the Database.openSequence method to fail if the database already exists.
void	setInitialValue(long initialValue)	Set the Set the initial value for a sequence.
void	setRange(long min, long max)	Configure a sequence range.
void	setWrap(boolean wrap)	Specify that the sequence should wrap around when it is incremented (decremented) past the specified maximum (minimum) value.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT

public static final SequenceConfig DEFAULT

Default configuration used if null is passed to methods that create a cursor.

Constructor Detail

SequenceConfig

public SequenceConfig()

An instance created using the default constructor is initialized with the system's default settings.

Method Detail

setAllowCreate

public void setAllowCreate(boolean allowCreate)

Configure the Database.openSequence method to create the sequence if it does not already exist.

This method may be called at any time during the life of the application.

Parameters:

allowCreate - If true, configure the Database.openSequence method to create the sequence if it does not already exist.

getAllowCreate

public boolean getAllowCreate()

Return true if the Database.openSequence method is configured to create the sequence if it does not already exist.

This method may be called at any time during the life of the application.

Returns:

True if the Database.openSequence method is configured to create the sequence if it does not already exist.

setCacheSize

public void setCacheSize(int cacheSize)

Set the Configure the number of elements cached by a sequence handle.

This method may be called at any time during the life of the application.

Parameters:

cacheSize - The Configure the number of elements cached by a sequence handle.

getCacheSize

public int getCacheSize()

Return the number of elements cached by a sequence handle..

This method may be called at any time during the life of the application.

Returns:

The number of elements cached by a sequence handle..

setDecrement

public void setDecrement(boolean decrement)

Specify that the sequence should be decremented.

This method may be called at any time during the life of the application.

Parameters:

decrement - If true, specify that the sequence should be decremented.

getDecrement

public boolean getDecrement()

Return true if the sequence is configured to decrement.

This method may be called at any time during the life of the application.

Returns:

True if the sequence is configured to decrement.

setExclusiveCreate

public void setExclusiveCreate(boolean exclusiveCreate)

Configure the Database.openSequence method to fail if the database already exists.

This method may be called at any time during the life of the application.

Parameters:

exclusiveCreate - If true, configure the Database.openSequence method to fail if the database already exists.

getExclusiveCreate

public boolean getExclusiveCreate()

Return true if the Database.openSequence method is configured to fail if the database already exists.

This method may be called at any time during the life of the application.

Returns:

True if the Database.openSequence method is configured to fail if the database already exists.

setInitialValue

public void setInitialValue(long initialValue)

Set the Set the initial value for a sequence.

This call is only effective when the sequence is being created.

This method may be called at any time during the life of the application.

Parameters:

initialValue - The Set the initial value for a sequence.

getInitialValue

public long getInitialValue()

Return the initial value for a sequence..

This method may be called at any time during the life of the application.

Returns:

The initial value for a sequence..

setAutoCommitNoSync

public void setAutoCommitNoSync(boolean autoCommitNoSync)

Configure auto-commit operations on the sequence to not flush the transaction log.

This method may be called at any time during the life of the application.

Parameters:

autoCommitNoSync - If true, configure auto-commit operations on the sequence to not flush the transaction log.

getAutoCommitNoSync

public boolean getAutoCommitNoSync()

Return true if the auto-commit operations on the sequence are configure to not flush the transaction log..

This method may be called at any time during the life of the application.

Returns:

True if the auto-commit operations on the sequence are configure to not flush the transaction log..

setRange

public void setRange(long min,
                     long max)

Configure a sequence range. This call is only effective when the sequence is being created.

Parameters:

min - The minimum value for the sequence.

max - The maximum value for the sequence.

getRangeMin

public long getRangeMin()

Return the minimum value for the sequence.

This method may be called at any time during the life of the application.

Returns:

The minimum value for the sequence.

getRangeMax

public long getRangeMax()

Return the maximum value for the sequence.

This method may be called at any time during the life of the application.

Returns:

The maximum value for the sequence.

setWrap

public void setWrap(boolean wrap)

Specify that the sequence should wrap around when it is incremented (decremented) past the specified maximum (minimum) value.

This method may be called at any time during the life of the application.

Parameters:

wrap - If true, specify that the sequence should wrap around when it is incremented (decremented) past the specified maximum (minimum) value.

getWrap

public boolean getWrap()

Return true if the sequence will wrap around when it is incremented (decremented) past the specified maximum (minimum) value.

This method may be called at any time during the life of the application.

Returns:

True if the sequence will wrap around when it is incremented (decremented) past the specified maximum (minimum) value.