Package com.landawn.abacus.util

Class HBaseColumn<T>

java.lang.Object

com.landawn.abacus.util.HBaseColumn<T>

Type Parameters:

T -

All Implemented Interfaces:

Comparable<HBaseColumn<T>>

public final class HBaseColumn<T>
extends Object
implements Comparable<HBaseColumn<T>>

Since:

0.8

Author:

haiyang li

Field Summary

Fields

Modifier and Type	Field	Description
static final Comparator<HBaseColumn<?>>	DESC_HBASE_COLUMN_COMPARATOR
static final Comparator<Long>	DESC_HBASE_VERSION_COMPARATOR
static final HBaseColumn<Boolean>	EMPTY_BOOLEAN_COLUMN
static final HBaseColumn<Byte>	EMPTY_BYTE_COLUMN
static final HBaseColumn<Character>	EMPTY_CHAR_COLUMN
static final HBaseColumn<Double>	EMPTY_DOUBLE_COLUMN
static final HBaseColumn<Float>	EMPTY_FLOAT_COLUMN
static final HBaseColumn<Integer>	EMPTY_INT_COLUMN
static final HBaseColumn<Long>	EMPTY_LONG_COLUMN
static final HBaseColumn<Object>	EMPTY_OBJECT_COLUMN
static final HBaseColumn<Short>	EMPTY_SHORT_COLUMN

Constructor Summary

Constructors

Constructor	Description
HBaseColumn(T value)
HBaseColumn(T value, long version)

Method Summary

Modifier and Type	Method	Description
static <T> List<HBaseColumn<T>>	asList(T value)
static <T> List<HBaseColumn<T>>	asList(T value, long version)
static <T> Map<Long,HBaseColumn<T>>	asMap(T value)
static <T> Map<Long,HBaseColumn<T>>	asMap(T value, long version)
static <T> Set<HBaseColumn<T>>	asSet(T value)
static <T> Set<HBaseColumn<T>>	asSet(T value, long version)
static <T> SortedMap<Long,HBaseColumn<T>>	asSortedMap(T value)	Returns a sorted map descended by version.
static <T> SortedMap<Long,HBaseColumn<T>>	asSortedMap(T value, long version)	Returns a sorted map descended by version.
static <T> SortedMap<Long,HBaseColumn<T>>	asSortedMap(T value, long version, Comparator<Long> cmp)	As sorted map.
static <T> SortedMap<Long,HBaseColumn<T>>	asSortedMap(T value, Comparator<Long> cmp)	As sorted map.
static <T> SortedSet<HBaseColumn<T>>	asSortedSet(T value)	Returns a sorted set descended by version.
static <T> SortedSet<HBaseColumn<T>>	asSortedSet(T value, long version)	Returns a sorted set descended by version.
static <T> SortedSet<HBaseColumn<T>>	asSortedSet(T value, long version, Comparator<HBaseColumn<?>> cmp)	As sorted set.
static <T> SortedSet<HBaseColumn<T>>	asSortedSet(T value, Comparator<HBaseColumn<?>> cmp)	As sorted set.
int	compareTo(HBaseColumn<T> o)
HBaseColumn<T>	copy()
static <T> HBaseColumn<T>	emptyOf(Class<?> targetClass)
boolean	equals(Object obj)
int	hashCode()
boolean	isNull()	Checks if is null.
String	toString()
T	value()
static <T> HBaseColumn<T>	valueOf(T value)
static <T> HBaseColumn<T>	valueOf(T value, long version)
long	version()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Details

EMPTY_BOOLEAN_COLUMN

public static final HBaseColumn<Boolean> EMPTY_BOOLEAN_COLUMN

EMPTY_CHAR_COLUMN

public static final HBaseColumn<Character> EMPTY_CHAR_COLUMN

EMPTY_BYTE_COLUMN

public static final HBaseColumn<Byte> EMPTY_BYTE_COLUMN

EMPTY_SHORT_COLUMN

public static final HBaseColumn<Short> EMPTY_SHORT_COLUMN

EMPTY_INT_COLUMN

public static final HBaseColumn<Integer> EMPTY_INT_COLUMN

EMPTY_LONG_COLUMN

public static final HBaseColumn<Long> EMPTY_LONG_COLUMN

EMPTY_FLOAT_COLUMN

public static final HBaseColumn<Float> EMPTY_FLOAT_COLUMN

EMPTY_DOUBLE_COLUMN

public static final HBaseColumn<Double> EMPTY_DOUBLE_COLUMN

EMPTY_OBJECT_COLUMN

public static final HBaseColumn<Object> EMPTY_OBJECT_COLUMN

DESC_HBASE_COLUMN_COMPARATOR

public static final Comparator<HBaseColumn<?>> DESC_HBASE_COLUMN_COMPARATOR

DESC_HBASE_VERSION_COMPARATOR

public static final Comparator<Long> DESC_HBASE_VERSION_COMPARATOR

Constructor Details

HBaseColumn

public HBaseColumn(T value)

HBaseColumn

public HBaseColumn(T value,
 long version)

Method Details

emptyOf

public static <T> HBaseColumn<T> emptyOf(Class<?> targetClass)

Type Parameters:

T -

Parameters:

targetClass -

Returns:

valueOf

public static <T> HBaseColumn<T> valueOf(T value)

Type Parameters:

T -

Parameters:

value -

Returns:

valueOf

public static <T> HBaseColumn<T> valueOf(T value,
 long version)

Type Parameters:

T -

Parameters:

value -

version -

Returns:

asList

public static <T> List<HBaseColumn<T>> asList(T value)

Type Parameters:

T -

Parameters:

value -

Returns:

asList

public static <T> List<HBaseColumn<T>> asList(T value,
 long version)

Type Parameters:

T -

Parameters:

value -

version -

Returns:

asSet

public static <T> Set<HBaseColumn<T>> asSet(T value)

Type Parameters:

T -

Parameters:

value -

Returns:

asSet

public static <T> Set<HBaseColumn<T>> asSet(T value,
 long version)

Type Parameters:

T -

Parameters:

value -

version -

Returns:

asSortedSet

public static <T> SortedSet<HBaseColumn<T>> asSortedSet(T value)

Returns a sorted set descended by version.

Type Parameters:

T -

Parameters:

value -

Returns:

asSortedSet

public static <T> SortedSet<HBaseColumn<T>> asSortedSet(T value,
 Comparator<HBaseColumn<?>> cmp)

As sorted set.

Type Parameters:

T -

Parameters:

value -

cmp -

Returns:

asSortedSet

public static <T> SortedSet<HBaseColumn<T>> asSortedSet(T value,
 long version)

Returns a sorted set descended by version.

Type Parameters:

T -

Parameters:

value -

version -

Returns:

asSortedSet

public static <T> SortedSet<HBaseColumn<T>> asSortedSet(T value,
 long version,
 Comparator<HBaseColumn<?>> cmp)

As sorted set.

Type Parameters:

T -

Parameters:

value -

version -

cmp -

Returns:

asMap

public static <T> Map<Long,HBaseColumn<T>> asMap(T value)

Type Parameters:

T -

Parameters:

value -

Returns:

asMap

public static <T> Map<Long,HBaseColumn<T>> asMap(T value,
 long version)

Type Parameters:

T -

Parameters:

value -

version -

Returns:

asSortedMap

public static <T> SortedMap<Long,HBaseColumn<T>> asSortedMap(T value)

Returns a sorted map descended by version.

Type Parameters:

T -

Parameters:

value -

Returns:

asSortedMap

public static <T> SortedMap<Long,HBaseColumn<T>> asSortedMap(T value,
 Comparator<Long> cmp)

As sorted map.

Type Parameters:

T -

Parameters:

value -

cmp -

Returns:

asSortedMap

public static <T> SortedMap<Long,HBaseColumn<T>> asSortedMap(T value,
 long version)

Returns a sorted map descended by version.

Type Parameters:

T -

Parameters:

value -

version -

Returns:

asSortedMap

public static <T> SortedMap<Long,HBaseColumn<T>> asSortedMap(T value,
 long version,
 Comparator<Long> cmp)

As sorted map.

Type Parameters:

T -

Parameters:

value -

version -

cmp -

Returns:

value

public T value()

version

public long version()

copy

public HBaseColumn<T> copy()

isNull

public boolean isNull()

Checks if is null.

Returns:

true, if is null

compareTo

public int compareTo(HBaseColumn<T> o)

Specified by:

compareTo in interface Comparable<T>

Parameters:

o -

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

Parameters:

obj -

Returns:

toString

public String toString()

Overrides:

toString in class Object