com.netflix.astyanax.shallows
Class EmptyColumn<C>

java.lang.Object
  com.netflix.astyanax.model.AbstractColumnImpl<C>
      com.netflix.astyanax.shallows.EmptyColumn<C>

All Implemented Interfaces:

Column<C>

public class EmptyColumn<C>
extends AbstractColumnImpl<C>

Constructor Summary

EmptyColumn()

Method Summary

java.nio.ByteBuffer	getRawName() Return the raw byet buffer for the column name
<C2> ColumnList<C2>	getSubColumns(Serializer<C2> ser) Get columns in the case of a super column.
long	getTimestamp() Returns the column timestamp.
int	getTtl() Get the TTL for this column.
<V> V	getValue(Serializer<V> valSer) Return the value
boolean	hasValue() Determine whether the column has a value.
boolean	isParentColumn() Returns true if the column contains a list of child columns, otherwise the column contains a value.

Methods inherited from class com.netflix.astyanax.model.AbstractColumnImpl

getBooleanValue, getByteArrayValue, getByteBufferValue, getByteValue, getCompressedStringValue, getDateValue, getDoubleValue, getFloatValue, getIntegerValue, getLongValue, getName, getShortValue, getStringValue, getUUIDValue

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyColumn

public EmptyColumn()

Method Detail

getValue

public <V> V getValue(Serializer<V> valSer)

Description copied from interface: Column

Return the value

Type Parameters:

V - value type

Returns:

getSubColumns

public <C2> ColumnList<C2> getSubColumns(Serializer<C2> ser)

Description copied from interface: Column

Get columns in the case of a super column. Will throw an exception if this is a regular column Valid only if isCompositeColumn returns true

Specified by:

getSubColumns in interface Column<C>

Overrides:

getSubColumns in class AbstractColumnImpl<C>

Type Parameters:

C2 - Type of column names for sub columns

Returns:

isParentColumn

public boolean isParentColumn()

Description copied from interface: Column

Returns true if the column contains a list of child columns, otherwise the column contains a value.

Specified by:

isParentColumn in interface Column<C>

Overrides:

isParentColumn in class AbstractColumnImpl<C>

Returns:

getTimestamp

public long getTimestamp()

Description copied from interface: Column

Returns the column timestamp. Not to be confused with column values that happen to be time values.

Returns:

getRawName

public java.nio.ByteBuffer getRawName()

Description copied from interface: Column

Return the raw byet buffer for the column name

Returns:

getTtl

public int getTtl()

Description copied from interface: Column

Get the TTL for this column.

Returns:

TTL in seconds or 0 if no ttl was set

hasValue

public boolean hasValue()

Description copied from interface: Column

Determine whether the column has a value.

Returns:

True if column has a value or false if value is null or an empty byte array.