org.neo4j.causalclustering.core.state.machines.id

Class IdAllocationState

java.lang.Object

org.neo4j.causalclustering.core.state.machines.id.IdAllocationState

public class IdAllocationState
extends Object

An in-memory representation of the IDs allocated to this core instance. Instances of this class are serialized to disk by

IdAllocationState.Marshal. The serialized form:

+----------------------------------+ | 8-byte length marker | +----------------------------------+ | first unallocated | | 15x 8-byte | +----------------------------------+

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IdAllocationState.Marshal

Constructor Summary

Constructors

Constructor and Description
IdAllocationState(long[] firstUnallocated, long logIndex)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
long	firstUnallocated(org.neo4j.kernel.impl.store.id.IdType idType)
int	hashCode()
long	logIndex()
void	logIndex(long logIndex) Sets the last seen log index, which is the last log index at which a replicated value that updated this state was encountered.
IdAllocationState	newInstance()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

IdAllocationState

public IdAllocationState(long[] firstUnallocated,
                         long logIndex)

Method Detail

logIndex

public long logIndex()

Returns:

The last set log index, which is the value last passed to logIndex(long)

logIndex

public void logIndex(long logIndex)

Sets the last seen log index, which is the last log index at which a replicated value that updated this state was encountered.

Parameters:

logIndex - The value to set as the last log index at which this state was updated

firstUnallocated

public long firstUnallocated(org.neo4j.kernel.impl.store.id.IdType idType)

Parameters:

idType - the type of graph object whose ID is under allocation

Returns:

the first unallocated entry for idType

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

newInstance

public IdAllocationState newInstance()

toString

public String toString()

Overrides:

toString in class Object