com.hp.util.persistence.cassandra.entitymgr.column

Class Column<K extends Serializable & Comparable<K>,V>

java.lang.Object

com.hp.util.persistence.cassandra.entitymgr.column.Column<K,V>

Type Parameters:

K - type of the column key or name

V - type of the column value

All Implemented Interfaces:

Visitable<ColumnVisitor<K>>

Direct Known Subclasses:

BooleanColumn, ByteArrayColumn, ByteColumn, CustomColumn, DateColumn, DoubleColumn, EnumColumn, FloatColumn, IntegerColumn, LongColumn, StringColumn, ValuelessColumn

public abstract class Column<K extends Serializable & Comparable<K>,V>
extends Object
implements Visitable<ColumnVisitor<K>>

Represents Column.

Author:

Nachiket Abhyankar

Field Summary

Fields

Modifier and Type	Field and Description
protected com.netflix.astyanax.Serializer<V>	serializer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Column(ColumnName<K,V> name) Creates a column with no value.
protected	Column(ColumnName<K,V> name, V value) Creates a column.
	Column(ColumnName<K,V> name, V value, com.netflix.astyanax.Serializer<V> serializer)

Method Summary

Methods

Modifier and Type	Method and Description
abstract int	compareTo(Column<K,V> o2)
boolean	equals(Object obj)
ColumnName<K,V>	getName() Gets the column's name.
com.netflix.astyanax.Serializer<V>	getSerializer() Gets the serializer to use to encode decode the value.
V	getValue() Gets the column's value.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.hp.util.Visitable

accept

Field Detail

serializer

protected final com.netflix.astyanax.Serializer<V> serializer

Constructor Detail

Column

protected Column(ColumnName<K,V> name)

Creates a column with no value.

Parameters:

name - column's name

Column

protected Column(ColumnName<K,V> name,
      V value)

Creates a column.

Parameters:

name - column's name

value - column's value

Column

public Column(ColumnName<K,V> name,
      V value,
      com.netflix.astyanax.Serializer<V> serializer)

Method Detail

getName

public ColumnName<K,V> getName()

Gets the column's name.

Returns:

the column's name

getValue

public V getValue()

Gets the column's value.

Returns:

the column's value

getSerializer

public com.netflix.astyanax.Serializer<V> getSerializer()

Gets the serializer to use to encode decode the value.

Returns:

the serializer.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

compareTo

public abstract int compareTo(Column<K,V> o2)