com.couchbase.lite.support

Class SequenceMap

java.lang.Object

com.couchbase.lite.support.SequenceMap

public class SequenceMap
extends java.lang.Object

A data structure representing a type of array that allows object values to be added to the end, and removed in arbitrary order; it's used by the replicator to keep track of which revisions have been transferred and what sequences to checkpoint.

Constructor Summary

Constructors

Constructor and Description
SequenceMap()

Method Summary

Modifier and Type	Method and Description
long	addValue(java.lang.String value) Adds a value to the map, assigning it a sequence number and returning it.
int	count()
long	getCheckpointedSequence() Returns the maximum consecutively-removed sequence number.
java.lang.String	getCheckpointedValue() Returns the value associated with the checkpointedSequence.
boolean	isEmpty()
void	removeSequence(long sequence) Removes a sequence and its associated value.

Methods inherited from class java.lang.Object

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

Constructor Detail

SequenceMap

public SequenceMap()

Method Detail

addValue

public long addValue(java.lang.String value)

Adds a value to the map, assigning it a sequence number and returning it. Sequence numbers start at 1 and increment from there.

removeSequence

public void removeSequence(long sequence)

Removes a sequence and its associated value.

isEmpty

public boolean isEmpty()

count

public int count()

getCheckpointedSequence

public long getCheckpointedSequence()

Returns the maximum consecutively-removed sequence number. This is one less than the minimum remaining sequence number.

getCheckpointedValue

public java.lang.String getCheckpointedValue()

Returns the value associated with the checkpointedSequence.