io.debezium.crdt

Interface GCounter

All Superinterfaces:

Count, GCount

All Known Subinterfaces:

DeltaCounter, PNCounter

All Known Implementing Classes:

StateBasedGCounter, StateBasedPNCounter, StateBasedPNDeltaCounter

@NotThreadSafe
public interface GCounter
extends GCount

A simple grow-only counter that maintains a single changing value by tracking the positive changes to the value. It is inspired by the conflict-free replicated data type (CRDT) G Counter.

Method Summary

Modifier and Type	Method and Description
long	getAndIncrement() Increment the counter and get the result.
GCounter	increment() Increment the counter and get the result.
long	incrementAndGet() Increment the counter and get the result.
GCounter	merge(Count other) Merge the supplied counter into this counter.

Methods inherited from interface io.debezium.crdt.GCount

getIncrement

Methods inherited from interface io.debezium.crdt.Count

get

Method Detail

increment

GCounter increment()

Increment the counter and get the result.

Returns:

this instance so methods can be chained together; never null

incrementAndGet

long incrementAndGet()

Increment the counter and get the result.

Returns:

the current result after incrementing

getAndIncrement

long getAndIncrement()

Increment the counter and get the result.

Returns:

the current result before incrementing

merge

GCounter merge(Count other)

Merge the supplied counter into this counter.

Parameters:

other - the other counter to merge into this one; may be null

Returns:

this counter so that methods can be chained