Package net.quasardb.qdb.kv

Class TimestampEntry

java.lang.Object

net.quasardb.qdb.kv.Entry

net.quasardb.qdb.kv.TimestampEntry

public final class TimestampEntry
extends Entry

A 64-bit floating point in the database.

Nested Class Summary

Nested classes/interfaces inherited from class net.quasardb.qdb.kv.Entry

Entry.Type

Field Summary

Fields inherited from class net.quasardb.qdb.kv.Entry

alias, session

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TimestampEntry(Session session, String alias)

Method Summary

Modifier and Type	Method	Description
Timespec	get()	Read the content of the blob.
static TimestampEntry	ofAlias(Session session, String alias)
void	put(Timespec value)	Create an timestamp with the specified value.
boolean	update(Timespec value)	Replaces the content of the timestamp.

Methods inherited from class net.quasardb.qdb.kv.Entry

alias, attachTag, detachTag, exists, hasTag, remove

Methods inherited from class java.lang.Object

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

Constructor Details

TimestampEntry

protected TimestampEntry(Session session,
 String alias)

Method Details

ofAlias

public static TimestampEntry ofAlias(Session session,
 String alias)

put

public void put(Timespec value)

Create an timestamp with the specified value. Fails if the timestamp already exists.

Parameters:

value - The value of the timestamp to be created.

Throws:

AliasAlreadyExistsException - If an entry matching the provided alias already exists.

ClusterClosedException - If QdbCluster.close() has been called.

ReservedAliasException - If the alias name or prefix is reserved for quasardb internal use.

update

public boolean update(Timespec value)

Replaces the content of the timestamp.

Parameters:

value - The timestamp to be set.

Returns:

true if the blob was created, or false it it was updated.

Throws:

ClusterClosedException - If QdbCluster.close() has been called.

IncompatibleTypeException - If the alias has a type incompatible for this operation.

InvalidArgumentException - If the expiry time is in the past (with a certain tolerance)

ReservedAliasException - If the alias name or prefix is reserved for quasardb internal use.

get

public Timespec get()

Read the content of the blob.

Returns:

The current content.

Throws:

AliasNotFoundException - If an entry matching the provided alias cannot be found.

IncompatibleTypeException - If the alias has a type incompatible for this operation.

ReservedAliasException - If the alias name or prefix is reserved for quasardb internal use.