io.debezium.connector.oracle.logminer

Class Scn

java.lang.Object

io.debezium.connector.oracle.logminer.Scn

All Implemented Interfaces:

Comparable<Scn>

public class Scn
extends Object
implements Comparable<Scn>

Oracle System Change Number implementation

Author:

Chris Cranford

Field Summary

Fields

Modifier and Type	Field and Description
static Scn	INVALID Represents an Scn that is considered INVALID, useful as a placeholder.
static Scn	MAX Represents an Scn that implies the maximum possible value of an SCN, useful as a placeholder.
private BigDecimal	scn
static Scn	ZERO Represents an Scn with a value of 0.

Constructor Summary

Constructors

Constructor and Description
Scn(BigDecimal scn)

Method Summary

Modifier and Type	Method and Description
Scn	add(Scn value) Returns a SCn whose value is (this + value).
int	compareTo(Scn o) Compares this SCn with the specified Scn.
boolean	equals(Object o)
int	hashCode()
long	longValue() Get the Scn represented as a long data type.
Scn	subtract(Scn value) Returns a Scn whose value is (this - value).
String	toString()
static Scn	valueOf(int value) Construct a Scn from an integer value.
static Scn	valueOf(long value) Construct a Scn from a long value.
static Scn	valueOf(String value) Construct a Scn from a string value.

Methods inherited from class java.lang.Object

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

Field Detail

INVALID

public static final Scn INVALID

Represents an Scn that is considered INVALID, useful as a placeholder.

MAX

public static final Scn MAX

Represents an Scn that implies the maximum possible value of an SCN, useful as a placeholder.

ZERO

public static final Scn ZERO

Represents an Scn with a value of 0.

scn

private final BigDecimal scn

Constructor Detail

Scn

public Scn(BigDecimal scn)

Method Detail

valueOf

public static Scn valueOf(int value)

Construct a Scn from an integer value.

Parameters:

value - integer value

Returns:

instance of Scn

valueOf

public static Scn valueOf(long value)

Construct a Scn from a long value.

Parameters:

value - long value

Returns:

instance of Scn

valueOf

public static Scn valueOf(String value)

Construct a Scn from a string value.

Parameters:

value - string value

Returns:

instance of Scn

longValue

public long longValue()

Get the Scn represented as a long data type.

add

public Scn add(Scn value)

Returns a SCn whose value is (this + value).

Parameters:

value - the value to be added to this Scn.

Returns:

this + value

subtract

public Scn subtract(Scn value)

Returns a Scn whose value is (this - value).

Parameters:

value - the value to be subtracted from this Scn.

Returns:

this - value

compareTo

public int compareTo(Scn o)

Compares this SCn with the specified Scn.

Specified by:

compareTo in interface Comparable<Scn>

Parameters:

o - Scn to which this Scn is to be compared

Returns:

-1, 0, or 1 as this {code Scn} is numerically less than, equal to, or greater than o.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object