org.bluedb.api.keys

Class LongKey

java.lang.Object

org.bluedb.api.keys.ValueKey

org.bluedb.api.keys.LongKey

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<BlueKey>, BlueKey

public final class LongKey
extends ValueKey

A key that can be mapped to a value in a BlueCollection or BlueIndex. Values inserted with this key will be ordered and will fill up an entire segment before creating a new one. I-node usage will grow as new segments are needed.

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.bluedb.api.keys.BlueKey

nullSafeClassComparator

Constructor Summary

Constructors

Constructor and Description
LongKey(long id)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
long	getGroupingNumber() Returns the grouping number which helps to determine the order and location of the key/value pairs on disk
long	getId()
java.lang.Long	getLongIdIfPresent() Convenience method to get the underlying Long value if this is a LongKey
int	hashCode()
int	postGroupingNumberCompareTo(BlueKey other) This is used to order the key/value pairs on disk.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.bluedb.api.keys.BlueKey

compareCanonicalClassNames, compareCanonicalClassNames, compareTo, compareWithNullsLast, getIntegerIdIfPresent, isInRange, unsafeCompareCanonicalClassNames

Constructor Detail

LongKey

public LongKey(long id)

Method Detail

getId

public long getId()

Returns:

the id of this key

getGroupingNumber

public long getGroupingNumber()

Description copied from interface: BlueKey

Returns the grouping number which helps to determine the order and location of the key/value pairs on disk

Returns:

grouping number

hashCode

public int hashCode()

Specified by:

hashCode in interface BlueKey

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Specified by:

equals in interface BlueKey

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

postGroupingNumberCompareTo

public int postGroupingNumberCompareTo(BlueKey other)

Description copied from interface: BlueKey

This is used to order the key/value pairs on disk. If this is being called then other is not null and the grouping numbers matched.

getLongIdIfPresent

public java.lang.Long getLongIdIfPresent()

Description copied from interface: BlueKey

Convenience method to get the underlying Long value if this is a LongKey

Returns:

the underlying Long value if this is a LongKey